Wisteria
Orange_Blossom
20 years ago
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Comments (13)
ColoradoKate
20 years agoMcfrank
20 years agoRelated Discussions
WANTED: Blue Moon Wisteria Seeds (Wisteria macrostachya)
Comments (1)Did you ever get these?...See MoreHow Fast Do Wisteria's Grow In One Year?
Comments (12)The OP didn't give any ideas where he lives and that may make a difference.... I grow both W. sinensis and W. floribunda. I grow both as 'trees' and would not grow either in any other way! My Chinese one is the oldest (planted in its current location in 2001). The Japanese one was planted in 2007. At this point, the Chinese one only puts out one or two annoying root sucker each year, while the Japanese one is still producing 6-10 a year. In its younger years, the Chinese one also produced that many a year - so I conclude that the sucker production decreases with age and maintenance (whenever possible we tear off (rather than cut off) the root suckers in hopes of removing the budwood that gives rise to the suckers....) Both 'trees' produce lots of whippy/curly new growth every year - we prune all of it back every week or so which keeps the trees looking tidy and also promotes formation of flowering wood (and, for the Chinese one, promotes a second, less prolific flush of flowers). Grown as trees, I don't find much difference in the work required to maintain the two types - except that we let the Chinese one get to 8-10' while are keeping the Japanese one to 6' or so. We may decide at some point to prune the Chinese one into a smaller shape too.) I highly recommend that anyone considering growing a wisteria grow it as a tree - much, much easier to prune and control and it makes a very striking garden feature....See MoreWisteria trunk being eaten?
Comments (12)Interesting issue.... Based on the clockwise twining seen in your pictures, this appears to be a Japanese wisteria. Is is a named variety/grafted plant? Does it produce a lot of root suckers and, if so, do you allow them to remain and climb on the structure? You said in your original post that the vine is doing well - is any part of it visibly dead - i.e. no leaf or flower growth? Does the vine lose its leaves at some point in the year in your climate? (My two wisterias are just losing their leaves for the winter now....) If the vine loses its leaves at some point in your growing season, that's a good time to give it a close inspection. Since the support structure is also wood, it may well have rot too, so check it carefully (What kind of wood is the support structure?) Wisterias are pretty tough plants that can survive a lot of damage. If it is still producing healthy new growth from the stems that have split, I wouldn't worry too much about the vine. If there are areas where the vine is dead (i.e. no leaf or flower growth) I'd prune out the dead section and let nearby healthy growth fill the blank space. If there are suckers from above a graft union or if you normally let root sucker grow and they flower the same as the rest of the vine, you could use them to help fill in any dead sections too. If there is a nearby botanical garden or a commercial grower of the vines, you could ask them for further help in identifying the source of the problem and what to do. At this point, I wouldn't give up or the vine or assume it will die out. They are very tough plants and it would take a lot of damage to completely kill it! Do you have a picture of it in flower on the structure? If so, I'd love to see it.......See MoreChinese wisteria not growing
Comments (4)My baic pruning approach for the wisterias is prune, prune, prune prune! For the Chinese one that seems to be particularly effective in promoting the development of flowering wood - I noticed soon after planting it in 2000 that about 10 days after cutting back the new growth that a flower would grow near where the shoot was cut back by 8-12”. It took 5 years for the first big spring bloom but it bloomed every year at the pruning site after pruning new growth so I knew it would eventually do the spring bloom. Even now I keep the new growth pruned regularly and get a nice secondary summer bloom. What I’m trying to say is don’t hesitate to prune new growth regularly - almost weekly when it is growing fast - as it will be good for flower development....See MoreMercy_Garden
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