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Q.Wisteria Woes!

Zone Scotland | Anonymous added on July 2, 2022 | Answered

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.

A.Answers to this queston: Add Answer
GKH_Susan
Certified GKH Gardening Expert
Answered on July 13, 2022

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

https://plants.ces.ncsu.edu/plants/wisteria-frutescens/

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