I have a Wisteria climbing up a wooden trellis arch, but something is eating it!. Although Pic1 shows some holes in the leaves this is not my main concern. Pics 2 & 3 show the new shoots being completely stripped of new leaves, more of a worry. I can see no signs of any bugs and have sprayed with a general bug killer, to no avail. I live in Scotland. Any suggestions would be gratefully appreciated.
The leaves are stippled looking which is a sign of spider mites. They need a miticide to kill them. The leaves may have turned yellow and dropped off, or just dropped off.
Wisteria frutecens is a host plant for several butterflies and skippers. I had silver spotted skipper caterpillars on my young wisteria and they completely stripped it. The leaves grew back though. I would let them live if that is what you have.
https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-mite-control.htm
Hello, My wisteria has cracks on one of the vines. So far the leaves look ok but I'm worried about all these cracks. Is this what's called canker? Should we cut out the affected vine as much as we can? Any thing we can do to protect the rest of the plant?
This is normal in older vines. There is no need to worry unless you start noticing other distress. If you start noticing a decline, then a heavy pruning may restore the vine after a few years.
I would love to have wysteria climbing on my walls and over the door of my single story house however I am put off by potential damage from the roots. Is it possible to grow wysteria that will climb in this manner from a large pot or will it stay small or die as it outgrows the container?
A large container would hold them just fine! They will stay, pretty well, to their container size, so if you want them to climb them a larger container will be necessary. 20 gallons or more will suffice.
https://www.gardeningknowhow.com/ornamental/vines/wisteria/growing-wisteria-in-container.htm
In sun part shade climbes great
Unfortunately, outside of full sun it doesn't tend to flower well. There could be more reasons, though. This article will help:
https://www.gardeningknowhow.com/ornamental/flowers/roses/page/7
https://www.gardeningknowhow.com/ornamental/vines/wisteria/transplant-wisteria-vines.htm
We need to do some construction work in the back yard and the tree is in the path of the 6 wheeler should I try to move the tree or just cut it back and hope it will grow and bloom again? Thank you
Generally, wisteria is fine with hard pruning, but it will cost you blooms for a few seasons. Wisteria are known to have extensive roots, so it may be a chore to try to dig it up. But that may be better than having to train the tree shape again. Here is more:
https://www.gardeningknowhow.com/ornamental/vines/wisteria/wisteria-root-system.htm
https://www.gardeningknowhow.com/ornamental/vines/wisteria/transplant-wisteria-vines.htm
https://www.gardeningknowhow.com/ornamental/vines/wisteria/pruning-wisteria.htm
I started 7 wisteria seeds and got 5 seedlings.Through the summer they did well. I think all 5 are still alive, although with the Fall season some have lost their leaves. Thanks Sandy Brennan
You can winter them inside a garage, shed or basement where it doesn't get below freezing. Water sparingly during the winter or root rot could set in. Check them about every three weeks and if dry, give them a little water but do not saturate.
https://www.gardeningknowhow.com/garden-how-to/info/what-is-overwintering.htm
Can I do anything to keep it under control?
Unfortunately, there are only two good options. Heavy pruning and removal. If you intend to keep the vine it will be necessary to keep a tight control on pruning to avoid it getting wild.