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Forum Transcript Archives

Vertical Gardening: Climbers, Vines and Structures
April 6, 2002
Moderated by Gdngfool


Judi z.
Fertilizing Clematis

What fertilizer(s) do you recommend and what fertilizing schedule is best for healthy plants?

Gdngfool

In the spring, once clematis shoots are two inches high, or higher *sometimes you don't notice them until you pull back a rock or something* start fertilizing.

Clematis, like roses, seem to thrive on a variety of fertilizers but I use fish emulsion mostly.

Experts suggest that you feed once a month. I feed them when my roses are fed during the budding season; every two to three weeks, then go to every month when the growth begins to spurt.

With early blooming clemmies, the fertilizing schedule starts sooner. Herbaceous clematis do not need to be fed as often either because often they are extremely vigorous.


Judi z.
Pruning Honeysuckle

How far back can honeysuckle be pruned when they get a bit messy? What is the best time of the year to do it?

Gdngfool

It really depends on the level of vigor and when they leaf out, but it is hard to diminish a lonicera's spirit. Many loniceras have different growth cycles and display fruit as well as flower.

The hardier varieties, like Japonica, should be pruned to shape several times during the growing season.

Ideally, it would be great if you could prune any lonicera after flowering or fruiting, but some might resemble the plant in "The Little Shop of Horrors".

When you are pruning, it's best to let the flowering begin because sometimes you don't notice bud nodes while they're first leafing out.

You are pretty safe pruning one anytime but in the dead of winter or very cool temperatures.

Also, watch for suckering. Be sure to check the base from time to time and prune suckers out, if your variety is prone to suckering. Treat it like a lilac tree that way and prune out suckers whenever you see them. Save them and start new monsters for your friends. Easy to start a lonicera or lilac, for that matter, from a sucker.


Liz
What to Plant Around a Deck

I have a deck along one side of my house and there is a pyracantha hedge alongside of it. The hedge is dying, in fact dead in some spots. I pulled out about 6-8 feet of it and would like a suggestion of something I could plant to take its place. I was thinking I could put up some sort of trellis or wires or something and plant something that would climb and grow quickly. I'm thinking this is sort of a temporary thing until the rest of the hedge dies. The deck is about 3-4 feet from the ground. Any suggestion as to what I could plant? I think I'm zone 9, in fact my climate is similar to yours, except you get warmer
summers.

Gdngfool

It really depends on what exposure you have...in terms of where the wall is, but if you have at least five hours of light per day there, I'd plant a wichuriana
hybrid rose. They are the fastest growing roses I've ever planted and are fragrant and prolific. You can easily put up a trellis for one or just put plastic netting up for initial support as they'll drape over anything.

It might be fun for you to interplant a fast growing tall and vigorous rose like that with an earlier blooming clematis to contrast. If you choose a white or light rose, it requires less light. But, depending on the light, almost any climber will grow well in your zone.

I'd use another vigorous grower for contrast and spring bloom: a macropetala clematis like "Bluebird" or any one of the Montanas: Montanas come in white, apricot, light pink, and mid pink. All are extremely easy to grow, as are wichuriana hybrids.

For another quick grower, choose a honeysuckle *lonicera* with both flowering and fruiting qualities like "japonica". It's a magnet for hummers and other birds. You can whack it anytime and be assured it will continue blooming and growing. They begin flowering in late spring and end in early fall when the berries begin.


Judi z.
Climbing Rose Recommendations

Just for some inspiration, can you list some faves--include color and height? You've sold me on 'Lavender Lassie' but there may be other gardeners who
are interested in a wider selection. Thanks! :)

Gdngfool

Ahhh and there's the rub. Some catalogs have such disparate coloring and height that it makes it difficult for gardeners who want a climbing rose for a specific place. The growth estimates, methinks, are more zone-dependent than catalogs take into consideration. As far as the color, there are some issues with that too; as you know your "Lavender Lassie" will be more of a pink than a lavender tone, but a vibrant sort of dusty pink.

My favorite climber is David Austin's first: "Constance Spry". That is because my requirement for a climber was that it be fragrant.
This rose is intoxicatingly fragrant but blooms only once. The bloom, however, is so stunning that people stop always to say "What is that rose on the arbor?" CS grows to thirty feet or more in zone 7. It's about year 7 for me. The first three years it was sort of "inbounds" but now it shoots up canes that grow seven feet in some summers. Be careful out there. This is definitely a display plant and needs the strong support of a fence or arbor. It will eat any trellis without extreme pruning in three years. Combine this once bloomer with STRONG support with an early and a late blooming clematis, or, if you're bold use my combo: with lonicera Japonica and "Polish Spirit" vit clematis.

That's the only once-blooming climber I'll bring up on the page unless people are interested in others, then go ahead and email me at hilda@nwlink.com

Two fabulous pink climbers are "Cecile Brunner" with small peachy-white double blooms and "New Dawn". CB goes to around twelve feet at maturity here and ND is a HUGE rose. It can easily be pruned, however. It's also one that grows to ten feet wide quickly so one must be judicious in pruning.

Many shrub roses can be trained as climbers. Two of the most fabulous are "Sally Holmes", a vigorous hybrid musk, and "Westerland". SH is a very pale white/peach single large flowering like a dogwood and W is a copper/apricot/peach changing all the time. They're both extremely hardy and disease resistant. Sometimes vertical gardening means a tall shrub and these two are among the best of the bunch. Each large flowering. Probably to fifteen feet at maturity; wide too.

For small flowering shrub rose that also can be climbers one deep pink wonder is "Mozart" and another "Ballerina". Both are shrub roses but can be trained to arch and climb. Width and height around 6 feet.

"Climbing Iceberg" and "Darlow's Enigma" are two of the highest rated white climbers. Iceberg is disease-resistant and hardy to zone 5. Unsure of height
but probably around ten feet. DE is a new climber first noticed in a Eugene, Oregon garden and is all the rage in rose circles this year. Disease-resistant with bright yellow stamens, it's going to be my one "must have" rose this year. To twelve feet, supposedly.

This one, from Heirloom Roses, is a bit different. It easily takes partial shade and is stunning from late April to October. It's the small flowering "Grandma's Lace" developed by H's owner John Clements and named for his wife's mother. It's fragrant and ideal for an area under lilacs or some deciduous tree which grows high above it. The color is buff to pale peach...the color of old lace...but it varies. It's an amazingly prolific bloomer and one I wouldn't be without. Twelve feet but few thorns and easy to train and prune.

One of the best of the "newish" bicolor climbers is Dortmund. It's a rich scarlet red with white brush. Great rose. Vigorous and will take a little shade which darker roses don't do easily. Twelve feet or more. Easy to prune. Very floriferous.

There are as many choices for lower zones from such hybridizers as Explorer and Buck...but many of these should be fine in any zone.


Joaniesgarden
Mini-vines?

No, not miniblinds, mini vines. Is there such a thing? I know everyone usually wants something the bigger the better...but I've always wanted something small and hardy to containerize that would stay under 5 or 6 ft. tops. Being zone 5 doesn't help me much.


Comment from judi z.

I'm not gdngfool, but what about the dwarf sweetpeas, a variety called Snoopea? Smaller leaved ivies can be trained, and also pruned vigorously.


gdngfool

There are some fabulous clematis that grow small in container and are easily pruned. Shrub ones are wonderful...like the long blooming pink "Ajouneska" or the highly recommended "Edith" which is almost white, or "Louise Rowe" which I grow in a container and is easily pruned to shape. It's a triple lavender which eventually goes single blooming at the end of the season.

Mini roses are great for containers as are the fabulous new "Patio Rose" series.

One thing I've learned about roses in containers is that you need twelve inches around the circumference of the pot to the trunk of the rose to be mulched to prevent winter freeze. There are several mini climbers.

When gardening with vines in containers in the heat, clematis and fuchsias will show stress quickly and will grow long and lush with proper fertilization and water.

There are more mini vines. The wonderful bean "lab lab", and even prostrate rosemary can be easily trained on a trellis. Ditto the tri color ornamental sage.

Comment by Tina

This clematis that I bought from Gdngfool last year grows 6-8' and has unusual blooms: Clematis viticella 'Purpurea Plena Elegans' .


Tina
Oh Those Shady Walls!

Dilemma: Very large imposing blank apricot wall on the north side of a two-story structure. Half the wall is only one story.

Situation: Little to no sun *ever* except during the summer for maybe one hour towards the end of the day as the sun starts to set. Soil is good and drains well.

Idea: I'd like to put up a large trellis - or series of trellises - to break up the wall. But I would like something to grow up them.

Question: What sort of vines would survive in the near-sunless conditions? The plants are away from the wall and get more sun then would ever reach the vine.

Gdngfool
A couple suggestions: there is a climbing dicentra available from Heronswood. I'd combine that, maybe, with something espaliered for mostly foliage interest because there seem to be no heavy bloomers which would work for you without more light.

However, another solution may be to stagger those terra cotta "half pots" for variety and color choosing plants like creeping thyme, begonias, and perhaps shade loving fuchsias like Alaska, Bianca or Flying Cloud. The larger the leaf and lighter the blossom color in fuchsias, the less amount of sun is needed.

You might also want to experiment with those wrought iron trellises which have pot holders in them and are shaped like arching vines themselves. They are very handsome and are often used in European gardens to add interest on stucco walls in allies or places where walls are close together. I know you're not wild about wrought iron but the new metal paints would allow you to make whatver color changes you want and for them to be permanent. I'll try to find a picture of this.


Joaniesgarden
Trellis Options

There is a murmur thru the Construction Industry that CCA treated lumber will be phased out in the next few years. Right now, the only alternatives are Redwood, Cedar and recycled plastic composites. Have you heard about any new alternatives? Most trellis posts and fencing in general always recommend treated posts for anything that is put into the ground. Redwood in my part of the world is very expensive and cedar is around the same price range. Any ideas?


gdngfool

Yes, if you prefer wood, use bamboo. Bamboo is generally a non-threatened species and is easy to construct by lashing the pieces together with clamps or by tying them with good looking leather lacing. You can also super glue or duct tape them even *though few of us would like to use DT it surely keeps the trellis in place when you're working on it. If you paint a wooden trellis and seal it, it's good too. There will be lots of Chinese fir trellises and arbors on the market in most areas.

My choice for treillage is copper tubing. I have some plans or you might want to research under "copper trellises" on the internet. You can use marine glue *easily available at most craft centers* or use the fittings available at national chains like Lowe's or Home Depot. You can easily use a combination of the two as well: glue and fittings which may be soldered or glued.

The copper reduces surface foliage damage by slugs and provides a beautiful patina as it ages. It is also virtually indestructible. I have replaced almost all my wood trellises with fan, pyramid, teepee, large "Cathedral window" and other trellis.

I'm sure everyone who's gardened for many years in a wet climate has had to perform the nasty task of disengaging a vital growing plant in mid-season from a wood trellis that has rotted. Not fun.

Copper piping is extremely reasonable, with ten foot lengths of hollow pipe at around $3.50 and joints and fittings usually under $1.00 a piece. By duplicating the grid or fan forms in wood with copper, you'll find an interesting substitute. Copper pipe cutters are also available at major chains and are reasonable.

Check "copper trellises" on the Internet and a wide variety will appear. You'll see a lot of arching. That hollow tubing is available in a coil or spool.

Comment by judi z.

Mr. Judi used copper tubing and copper plumbing fittings (tees and els) and the cost was about $25 per trellis. He made 3 and had them finished in 2 days. I reckon the DIY cost is about 1/3 of the price for one bought complete, so if you're handy, it's cheap *and* quick! Justmake sure you add plenty on for the legs to go as deep into the earth as possible.

gdngfool

You might want to smash the ends or cut them at an angle too. Most of the online trellis plans show that. There is a "Cathedral Window" trellis from Maine that retails for $225.00 plus $78.00 to ship. St Lowell and I made one eight feet high by 45 inches wide in three hours. That was our first and is still my favorite.

If you want to do the dome type trellises, there are copper small strap loop fittings as well as copper nails to allow the easy movement of the round structure around the vertical supports.

There are many many ways to do this.

The copper arbors can be made to fit the plants uppon it by varying the horizontal supports between the two identical support curves. These can be fitted with a lovely finial on the top or you can bring other elements into the design by weaving in 1/8 copper tubing and using it like basket weave or wire "ties".

I bought a trellis for my herbs with a simple tee pee form but with which copper wiring was used to weave in beautiful glass pieces. It's stunning and would be easily duplicated.


Comment by joyceww

I was wondering about rebar. I think that's the name of the metal rods I pounded into the ground to hold copper tubing to make a hose guide. I would think it would work well to get longer rebar and pound it into the ground where the trellis posts will go, leaving a couple of feet above ground too and slipping the copper tubing on the rebar. Does that make sense gdingfool? Or maybe the easier to handle copper pipe is too narrow for the rebar?

Comment by Joaniesgarden

I was going to suggest either cementing them in, if you want it permanent, or digging a hole big enough to tamp crushed stone around the braces. Rebar sounds so much easier.

Comment by joyceww

My thought is that with careful measuring the copper trellis can be just slipped over the rebar. Then it could be easily moved later, with the only problem being prying out the rebar.

gdngfool

Just crimp the ends of the trellis so that it eases into the ground. Standard rebar is the same interior width as the copper tubing. It's not a problem at all to add "legs" and crimp them. It's probably easiest to read the plans online, where instructions are very clear.

Because we sold them commercially, we designed our own. Individual needs are virtually limitless and you can secure or not, as you wish. Remember too that dome trellises are often on uneven ground. All you need is a shovel to bury the "legs" to whatever depth you want. It's a snap. Anytime you want a permanent unsupported trellis in the garden, it's probably best to sink the legs in concrete or cement.

Comment by Tina

There is a garden on Whidbey Island (across the water from me) that is owned by a woman named Tina Weeks. It's a private garden but most days she allows strangers to come in and wander around. A fabulous place! Her husband uses rebar to create some great garden structures, including arbors and trellises. Also some fabulous art to compliment the lovely surroundings. I was really impressed but decided that it would take a great deal more skill to work with than copper piping. I think the copper is simply easier to work with. But the rebar look was fabulous!

Gdngfool
I love rebar for stakes that you put standard metal finials on or for things like my three foot wide by almost as long rebar dragonfly perched on a weeping cedar. But for growing clematis, or small fine vines, I would always think the ridges would be tough Copper is more accommodating to any garden too. Less industrial looking but I agree rebar can be beautiful and dramatic. Love garden fences utilizing it too.


Tina
Clematis Armandii

I moved a c. armandii two years ago to a new sunnier location. But the vine was damaged and had to be cut down fairly low. There were some leaf buds left, but not many. The thing still lives but it doesn't really appear to be growing. I'm not sure what to do with it. I'd hoped that it would show a lot of growth last year, but it languished. This is it's normal bloomtime and needless to say, there ain't no flowers!

Any ideas on what I can do to encourage growth? It's got a big old ugly spot to fill and make beautiful.

It's in a sunny location, good soil with decent water (though it does get dry when the rains stop if I don't water very regularly).

Gdngfool

What clematis armandii demand most is plenty of shade as well as sun. Tricky.

Make sure it is in good soil and away from any wind. It requires a LOT of moisture. It's a zone 8 hardy plant and lives best without frosty nights and freezing temps like we've had. It should be mulched heavily to survive our winters. I've lost too many of these to try them again but since they grow to 20 feet, they're a lovely garden statement for those who can assure their survival in mild winters. I'd dig it up and check the roots for dieback, cut back dead or dying foliage and replant and in newly composted soil and fertilize if it appears healthy. Definitely check the roots though as it may very well be dying.


Chris in UK
What Methods Do You Use?


I'd love for you to tell us what vertical methods you've used and found good for upwards gardening. My neighbour has many (she's run out of space). She has planted 8 foot poles with wooden trays on top. Containers containing trailing plants sit on the trays and climbers of all sorts run up the poles. Watering might be a problem, but she has terraced the garden so the containers on trays are always accessible for watering from the top of a step near the pole.

Gdngfool

In my garden it's pretty much "Improv" There's a LOT of salvage here. Two examples...one was the trellis which was retail shelving: a square wood frame with "legs" that has doweling in about half inch widths *round of course* crossing the frame which is four feet wide. I have six of these panels in the driveway as sort of a "screen" from the driveway into the garden. They're in a roughly semi circular position and each has a climbing pink rose *all the same variety; Mme. Leone or something* and when this once bloomer fades, a variety of clematis begin to bloom. This is one of my faves now but it was pretty ragged looking until the roses rose. Sort of "Woodhenge".

The other is the tall marble column scored as a high dining table base. It's in a rectangular bed with variegated and different ornamental grasses and daffs in the bed hastily cut out to accommodate it. On top is a faux bronze container with all kinds of "hangies" with a tall phormium center.

Along the fences are everything from an old small barn side door to bring the thug clematis Montana out at the center about a foot and to camouflage the root structure.

My favorite trellises are large copper domes and tee pee types that are covered with climbing roses and clematis in many instances.

I've learned, after doing it the opposite way always: that is buy the container or trellis and then consider the plant later, that the best way is to build the clematis or container to accommodate the habits of the plant you want. It's easier that way.

In England there's a vertical window-framing product I love. It's a series of pots *believe they're plastic* which are arranged to frame the window in a U shape. The top planter contains a watering system outlet that you just plug into a hose and little tubes go down to feed all the plants. It's so creative and the sample looks as if little begonias and other plants are growing up with the vines planted in a window box accompanying the pots of color. Wish I could find the name of it and where it's available.

My espaliered apple tree grows close to a fence. We fashioned an odd trellis which was rectangular o support it with "arms" allowing circulation and support that were made from copper tubing where the ends were glued perpendicular to the trellis. The one foot supports work well for the one foot horizontal leaders of the plant. If I didn't use copper, I'd fashion these shapes out of anything I could: bamboo or twigs...whatever works.

Your neighbor's idea is pretty cool.

Part of the fun of creating supports is the differing king of architectural value, and whimsy, they have, to me.

I'm going to build a "tower" of terra cotta pots and paint them and seal them. It will be about six to eight feet high and have a spiky or hanging plant on it. Columns are so much fun.

One of my friends used a cement form and made a ten foot column. When it hardened she raised it and then grouted one part at a time and added crushed glass and tile. Then she put a square cement "paver" at the top and then a planter which she changes seasonally. It's right at the bottom of a long steep driveway.


Loisann
Attaching the Growies?

What do you use to attach vines, canes, or branches to an arbor, trellis, etc., when the attachment should last several seasons?

Comment by judi z.

I've found that green garden twine (available from quite a few mail/net order sources) lasts several years.

gdngfool

I don't like the green twining thing because there's wire in the middle. It isn't suitable for weak stems. I use old nylon stockings, cut into strips and green gardening tape. The nylons have a great deal of give and can be cut thin and never damage the canes or twines. Eventually they turn a green color from rain. My fave are support hose. I attach the huge canes of Constance Spry to the arbor with them and never get close enough to get gored by thorns either.


Comment by judi z.

The twine I have is not wired--it's like old-fashioned brown twine, only green. I think Gardener's Supply carries it, as does A.M. Leonard.


gdngfool?

Then that would work...but personally, I like the nylons for camouflage when working with the hog roses.


Lawn Goddess
Clematis Questions

Although I haven't bought or planted any yet, I looking to add a couple of Clematis to my garden this year. I always like to try to learn as much about what I want to add before doing so. Just so you will know I live in Zone 6.

The two I had planned on adding were Niobe and Jackmanii, although upon further reading I've learned that Gypsy Queen might produce the deepest purple color. When looking in my "Ortho's All About Pruning" it said that Clematis are divided into three groups, with different times to prune each: looks like it as something to do with when they bloom. I know Jackmanii blooms early summer, but not sure about the other two. When should I prune these?

Also, would the ones I've chosen about do okay in my zone? And do you have to train them to climb a trellis or arbor, or do they just to it on their own? If you
have to train how do you go about it?

And one final question. "The Southern Living Garden Book" says that Jackmani blooms from early summer through fall. Do you know the blooming schedule
of the other two?

Gdngfool

Actually, there are many purple and deep violet flowering clematis...large and small flowering. The largest purple "Warasawki Nike" is a deep purple and another keeper. It's darker than "Gypsy Queen" and was probably in cultivation later. These are reddish dark purple plants. The blue -purple "Polish Spirit" is an absolutely stunning, easy-to-grow and wilt-resistant viticella. The vits are recommended to clematis lovers because they are disease-resistant, prolific bloomers and bloom through a long cycle. Vits are smaller in bloom than many of the other clematis groups.

When it comes to pruning, there are really twelve groups now, according to the expert guru, Howell. It makes it much easier to prune clematis when you are aware of the subgroups. Jackmanii must be pruned severely if you don't want it flopping all over. But you will not need to worry about that for a couple years. Remember "first year it sleeps, next year it creeps, third year it leaps"

To know where and when to prune the varieties you choose, go to http://www.howells98.freeserve.co.uk/Pages/Pruning.html.

What severe pruning means is to cut back to under a foot. It's tough to do.

The viticella now has a separate pruning guide too. Some say they don't need pruning at all, but this year I flinched and cut mine way back. They just get too floppy.

I'd like to add that when Howell says "no pruning" about the Evergreen, alpina, macropetala, Montana and rockery, that isn't to be taken as "don't prune".
It means you do not need to prune these varieties to ensure good growth and bloom, and times to prune are anytime they aren't in bud. Each of these can be monstrous...especially the Montanas. Rockery clematis can grow ten feet the first year...or maybe I should clarify that and any "shrub" clemmies. All these varieties will grow like Topsy. Prune as you like to shape and save other plants from being engulfed.


Lawn Goddess
More Clematis Questions


I had planned to plant the Jackmanii or Gypsy Queen with a fan trellis for support. Planned on using an archway trellis/arbor? for the Niobe. I remember reading on the tag that you are suppose to plant Niobe 3-4 ft. apart. Will I just need one, planted on one side, to climb up, over, and down the other side? Or would I do better to buy two, planting one on each side, so they grow up and over, meeting in the middle of the top of the archway?


gdngfool

I hate to give you this information, but Niobe and Jackmanii clematis are two varieties most prone to dieback and clematis wilt. Be very careful with either. They don't like to be moved except when dormant.
Tell me about the plants you have: are they in gallon pots? How old or do you know?
This is critical for both these varieties. I pulled Niobe up. You may be in a different area but here nurseries have switched to other reds because now there are other wonderful reds. If you can replace Niobe, notorious for root rot, with another clematis, do so please.

Lawn Goddess?

Haven't bought them yet. The ones they are selling around here are in about 2" pots and are already 6-8" high. They will be receiving mostly morning to mid-day sun.
Just picked Niobe because I really don't have anything red in my yard and "The Southern Living Garden Book" said it was "the darkest red of all". Had thought about Jackmanii 'cause that's the one you always hear about, but upon reading in the above mentioned book I would really rather go with Gypsy Queen because it is said to be the "deepest purple".

gdngfool

When growers tell me that they want to discontinue a standard like "Niobe" it's indicative of the new clematis coming into their own everywhere. Clematis are often grown for several years before being released for cultivation and they often come from England, Poland or Germany, then come to us and our tested before being released. It is amazing how many hundreds of clematis there are. Very interesting.

Gypsy Queen is a very good clematis. Try to get two year old plants. The old saw is "The first year clematis sleep, the second they creep, the third they leap".

Usually any shape that is at least a couple feet wide is a fine trellis. The fan shapes are good for clematis because clemmies tend to grow more in the middle and top than from the bottom. You can prune to fit.

Lawn Goddess

How can I tell if they are a two-year plant unless it is stated on the packaging somewhere? I have seen some that do make this claim but when I look in the bag in the box I see very little, if anything at all.

Also, can you recommend a really good, really red Clematis?


gdngfool

"Vulcan" and "Ruby Glow" are recommended reds and absolutely "Kerimisiana" which is a bright red small flowering viticella.
Those tiny two inch pots are immature clematis and usually take several years to bloom. The tiny little shoots are often fertilized well to make them look substantial but clematis need a good strong root system to survive. Buy two year old plants in gallon pots. You can find them advertised as such on the Internet, or perhaps at local garden centers. I'd stay away from ANY large flowering clematis in a two inch pot. I've never had one last, sadly. But the gallon pots produce some pretty amazing results. Always try to see if they're rootbound. Rootbound is good in a clematis, by my standards, because it often indicates that the plant will soon be repotted into a three or five gallon pot and the customer will be charged more. The roots are easy to separate. Look also for thick and multiple shoots and buds whenever possible, dependent on the bloomtime. For example, Montanas, macropetalas and alpinas now should all be budded in a mature plant. April-May is when they bloom.


gdngfool
Did I answer this one to your satisfaction? Hope I made myself clear. Gallon plants are often two years. Look for the roots and check out pots hat have holes in the bottom for rootbound clemmies. On the Internet there are companies that advertise two year old roots will be sent. Much safer with those then those spindly little shoots. Nothing in a two inch pot is going to be easy to sustain in the first year. Better go for the biggies.


Lawn Goddess
Last Clematis Question

I really would love to run down and buy my Clematis today, while there is still a good selection. The problem is I really don't want to put them in the ground until next weekend (last expected frost date around here being April 15). If I do go ahead and buy them should I keep them inside? (I think it's suppose to get down to 30 tonight). Or would they be better off outside and sheltered from frost? They are being kept in a greenhouse like thing (poles and clear plastic) and they are using kerosene heaters at night, although it's still quite drafty in there.


gdngfool

Don't worry about it. I wouldn't put a greenhouse grown clematis in the ground with those night temps. But they shouldn't stay long in the house either. Try hardening them off by taking them out when you come home in the evening for a couple hours. Or leave them out all day if you'll be gone and know the temps won't go low until night. Not to worry, you'll be fine.


Sandie
Vertical Beginner

I'm very excited to start adding vines to my garden. I have lots of 6', redwood, fence-lines. Total about 100' around my back yard. No vines at all yet.

I have am about to plant several vining plants and could use information about location (sun), & what vines need to stay healthy.

I am ready to plant 3 (very small now), Clematis. I bought them as roots and they barely do anything. I know they go slow at first, but they may not be as healthy as they should have been when I bought them. Some are 2nd yr., 2 are 3rd yr.

I also have a pink Jasmine to plant.

Which ones can take full day-southern exposure-sun (on the fence)? Which can take Western exposure - sun from 11:00 on - late day is hot, but only in summer. Does Jasmine want part-to-mostly light-shade?

Do they need trellises? The fence is slatted vertically. Thanks! I'm new to vines and love them!


Gdngfool
Hey that's okay. We're all beginners cuz we can't hope to grow every plant there is...which reminds me, can you go out and look at the clematis varieties?
There are at least twelve specific groups of clematis so I won't be able to make a blanket statement about the growth of any of them. If you could supply me with the names, will try to advise you of the blooming times, placements and conditions of their growth. I can tell you that most clematis do not react well to full sun in zone 9. What is your average summer temperature? Just gimme the details when you can.

As far as the pink jasmine goes, it takes partial sun *that is not full sun* in my zone seven garden. What a BEAUTIFUL vine with such delicate lacy leaves. Put it in an area with about five to seven hours of sun at almost any CA exposure and stand back!


Sandie The Clematis are (1.) Multi Blue and (2.) Duchess of Edinburgh.

Sorry, dumb box does NOT have bot. name! Does say - blooms in summer.

I have 50+ feet of South facing fence - total all-day sun; & 20+' of West facing fence (evening hot sun, am shade) 50+ ' of North facing. (all-day light shade- sun on tops & a bit on sides. Average Summer temps are 78-83 degs. Runs one week cold-60s, next in 90's, next 60's again, next in 70s, etc. Very erratic! Never steady. Summer - Late day - HOT HOT sun (95)- would prob. be tops a week at one time, then 2 days here & there. (totaling about 15 days) Many summer days are 78-82!


Gdngfool

Multi Blue can take some heat like that but Duchess is more finicky. The best clematis for the kind of heat you'll have IMO ae the texensis varieties. As you might know, the texensis stands for Texas as far as the heat is concerned. This is a great class of clematis and there are some beauties in it.

You have a lot of fence line to cover. You'll probably have to protect the clematis in the heat...the Duchess for sure. Make sure they are well watered and get a lot of mulch at the roots and maybe throw a shade cloth over them when temps pass 80s. Zone 9 and up growers need to be careful as most clematis don't do well in high heat.

Sandie, if you're considering others, email me and I'll get you a list of those you might need. You may or may not find them in your local nurseries. I know you will love multi-blue. It's a wonderful clematis.


JudithUK
I Have This Container

About 22" across I think. It's made of the light-weight stuff that looks like stone or cement or something. What size trellis or obelisk should I use to make the balance right?

gdngfool

That's an excellent question Judith. Maybe I could help better if I knew what you were planning to plant in it because some climbers obscure trellises in short order. Also, is the pot round or square? Rule of thumb in my garden is twice the width span of the container for height, but heck, some of the coolest demonstration clematis are in small containers and look good flying high. I'd use just under four feet as a standard but anything works.


Tina
Five Leaf Akebia

When is the best time to prune this vine? I need to repaint the fence that it's growing on and will have to do a bit of pruning back as it's growing crazy and will never come off the fence as it is right now.

Gdngfool

It should be showing those little tiny round ballish clusters which are the buds. If you want it to bloom *and it should very soon* try to hold off until it's finished blooming, then whack away. If you don't care about blooming, go ahead and whack now. As you know, the blooms are easily id'ed by the ball thingys. There's little harm you can do to the vine at this time but if you wanna wait til it blooms so you get the flowering, wait a month or two.


Dicentra
To Prune or Not to Prune

Last year C. 'Etoile Violette' grew on two shoots, and bloomed moderately well. About mid-summer, half the vine browned out.

I haven't cut it back. Should I? This will be only it's third year in the ground. The trellis is only five feet high, inadequate...but there it is and not likely to be replaced this year.

I want more shoots from the root. Since now there's only one viable stem. What to do?

gdngfool

I feel your pain, Di. It is so tough to cut back a clematis just as it's beginning to come into "it's own". But, the clematis guru, Howell, in a newish pruning guide to the twelve clematis groups, advises cutting back all viticellas hard with the emerging shoots.

Since mine are greening up at ten feet in some instances, this is tough "love". Viticellas show color VERY early here...and buds.

Would also recommend tenderly checking just under the ground to see if other shoots are emerging. If the crown feels good to you, as in "intact" from gentle prodding, would advise remulching and fertilizing now and every two weeks with a weaker solution
until the shoots are better established, then converting to the monthly applications as recommended for general clematis care.

Whack away.


Tina
Very Sunny, Very Dry

I've a location that gets a great deal of sun (southern exposure) and almost never sees water outside of the rainy season (though if something were planted there I'd make an effort to see that it did). Nevertheless, it *is* dry. It's the corner of the building and there is a downspout there that I can cover for a vine of some sort. It can go rather high (two stories), but I'd prefer it didn't really go more than 15' for maintenance reasons. It is also welcome to vine to a slightly shadier area to cover some ugly electrical boxes and such.

I was thinking that perhaps a clematis would work... any other suggestions? I'm open to all ideas!

gdngfool

Well, you know me, I'd suggest a rose for that space. There are several which would meet your apricot requirements that are easily trained, but the best of the bunch for taming, IMO is the Bellevue Botanical's *and mine* almost thornless "Ghislaine de Felegondo". Know you know this rose. It would be an excellent candidate for espalier because of the thornlessness and the ease in training. It's also disease-resistant and a wonderful rose for the vase, which, as you know, many of the older or antique varieties are not.

Other heat beaters are lonicera...the best choice for birds...any variety. The bronze leafed ones might be a good idea for contrast, but they grow less quickly. My other favorites in your apricot color ranges would be the climber "Apricot Nectar" or the stunning white "Darlow's Enigma" that is a very "hot" rose right now.

Another reason I'd recommend "Ghislaine" is that she would be an ideal candidate to pair with a clematis of vigor. "Ghislaine" begins blooming in late April or early May and by then a spring clematis is gone so there's no competition. I'd try it *and I'm going to* with the splendid white macropetala "White Swan". Had trouble with the later blooming clematis "Venosa Violacea" with the Westerland but it might work as well for combination bloom. Don't usually recommend the clematis with rose combo but in an area that will get hot sun in summer, what's better than a dose of clematis in the spring?


Samjuan
Cheap Wisteria Support

I have a wisteria potted and ready to plant. I have a swingset frame to plant it under. My problem is the horizontal bars. I have none and no money to spend on them. Is there anything free or virtually so that would make good enough horizontal supports for this swingset frame?

Gdngfool

I'd suggest using one inch copper piping. It's cheap, beautiful and sturdy, which the wisteria will need. It's also pretty easy to secure the tendrils to round supports. Remember, depending on the variety of wisteria you have, they can take down supports which aren't sturdy so the wood should be treated and sealed whenever possible. Any heavy metal support is preferable to most wood which can rot or be invaded by insects over time.

Comment from Joaniesgarden
For less money, if you have a salvage yard near by, ask them if they have lengths of pipe the same diameter as the swing set, and use the same clamps you would use on chain link fencing. I think they are called a beulvard clamp? One clamp is bolted onto the swing set poles and the pipe is inserted in the sleeve for the pipe, then the other clamp's bolt and nut are tightened on the second clamp for a nice sturdy support. The pipe would have to be cut all the same lengths, if you can borrow a pipe cutter from someone that's even better. Measure from the inside to inside of the swing legs.

Another cheap way is to drill holes in each of the legs of the swing set and string thru each hole #9 wire. It's pretty stiff and hard to work with, so you may want to go with a lighter gauge wire, or strand cable. If you install on each wire a turnbuckle, you will not have to worry about sagging in the future, just tighten the turnbuckle.


Dabee
Bougainvillea, Zone 9 CA

Bougainvillea is a very popular plant in our area. I have tried twice to grow it without much success. My first plant got too much water and my second plant froze in a bad freeze.

I have studied the others growing in the neighborhood and believe I tried to force a square peg in a round hole. I think I should try to grow it on the side of house facing east, because of the light reflected from the neighbors windows it will get plenty of light throughout most of the day and also because of the drainage. There is a very narrow bed there about 12 inches wide that goes between the house and the drive.

My question is would you suggest a trellis for this plant. I would like to keep it at 9' in height but encourage it to spread over a 12' space. Also do you think the bed is wide enough to support it's growth, do you know if the roots could ultimately damage the drive?


gdngfool

The space for planting is fine because the boug has brittle and weak root system. As far as a nine foot trellis to go twelve feet wide, the cheapest thing is probably to get extensions from the wall...and you can use copper tubing or brackets, just about anything to allow circulation to the branches, and just peg the wall with hooks because you don't really need to trellis bougainvilleas. They will need support at first until the reach the top of the fence...use a large fan trellis you make of copper tubing or metal if you can, or find a treated wood one...the boug will soon grow out of bounds of a standard trellis.


Sandie
Anchoring Climbing Roses?


I have a sturdy redwood patio cover frame that I am attempting to anchor my climbing rose to. The post is no problem but the weight of the limbs - as they grow larger - weighs down the horizontal parts. What would you recommend that's strong, but won't hurt the limbs, to anchor this part up with?

Maybe I'm doing it wrong? I did not put any limbs on top of the patio cover, cuz it's that green, corrugated, plastic, thinking it would deteriorate it (do you know if it would?). Maybe that would distribute the Rose's horiz. weight better? The frame would hold it.

I appreciate any ideas! Thanks!

gdngfool

I'm not entirely sure what you mean. Do you mean you're growing a rose up a support beam and then onto a cover for a patio?

If so, the best supports should be the same for what are used to peg roses. Roses are most often pegged to form a circular mound. It's a beautiful way to train a rose but results in about a ten foot spread when maturely trained, which is space many of us don't have. There is a lot of rose pegging in Europe. They use what amounts to gigantic hairpin shaped things to keep the canes of the roses supported in the dirt and still giving it the circulation it requires by suspending it a bit above the support.

Just remember if it's up on top of a patio cover that is really high and it's a vigorous rose that you might have to get up on a ladder to shape and prune it. You may be able to just let it lay on the patio cover. I'd have to understand this better to make an intelligent comment so if you could explain the support structure and height or send me a pic I'll try my best to help.


Sandie


Sure wish I had a pic! It's all solid, strong redwood boards - built in a square shape.
The support beams are thick 4"X4". (very large for the weight of a patio cover) 2"x4" boards extend out 18'(feet) from my house-roof = to the lawn. All edges are also 2"x4".
Has 18'x6', corrugated green-plastic on top, and cross supports(2x4) every 4' of the 18'.
Rose is planted - at the end corner, along a thick 4"x4" beam. Beam is 7 feet high. All edges are 7' high. Roof end is higher, but no plants there. I already have to use a ladder to prune & groom it. No problem!

The problem is that the rose grows 'up' the beam fine. Then I've trained it to go out in the two-corner-directions - that's fine too... EXCEPT that I have put all the branches extending OUT, on the "edge" board and "barely" on top of the plastic. So ALL the branches "Weight" is "suspended" (hanging) on the edge boards and I want to know what is 'strong' to tie it up with that "won't" cut into the branches (from the pull by their weight)! AND can corrugated plastic take the weight of a climbing rose, very long?? The redwood structure can hold it fine. Unsure about the plastic?


gdngfool

Most climbing roses grow on last year's wood so it is important for pruning to know the variety and see if it's one I'm familiar with or can research for you. There are so many types of climbers; many only bloom once in late spring or early summer, others bloom from April to frost or late fall...and in California, may bloom almost continually; or not.

As far as how to anchor the rose, it depends on the way it blooms and how high, really, as much as what type *thornless, semi, or very thorny.

If you have gauntlet gloves, it doesn't matter if it's very thorny or not. Then I would recommend that you use strips of nylon stockings to attach the vine to the wood or whatever. Nylons are very resilient...when they're cut in three inch by six or eight inch strips and won't hurt the rose. The can be tied securely and the stretchy kind may be cut very close to the knot.

I have a monster rose *Constance Spry* on a thick wood arbor and have secured canes with nylon stocking strips for years. They last for years and don't show...but most important, they are sturdy and they don't hurt the rose and if you wear gauntlet gloves or leather gloves tucked in a long sleeved thick shirt, it won't hurt you either. Good luck!


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