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Wisteria Vines

Q.Wysteria~Two 30 Yr Old Plants 6 Ft Apart, One Side Has Always BLOOMED And The Other Just Leaves. THIS Year The One With Leaves

Zone Catawissa PA 17820 | hwyjly added on May 31, 2020 | Answered

The left side of these looks great,,,Other side, which I thought was female looks DORMANT !!! I live in PA and many plants have been affected by our wi nter this past year. BUT why one side is fine and the other DEAD ???

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BushDoctor
Certified GKH Gardening Expert
Answered on June 2, 2020

It may have suffered from a blight. This can affect just one side of a plant or tree, and will affect many species.

More likely, though is a combination of blight and graft failure. Some older Wisteria are grafted, and only partially compatible. This is normal behavior and will need to be pruned out. This will leave you with the rootstock, which is what the living side is.

Here is an article that will help you with some common Wisteria problems:

https://www.gardeningknowhow.com/ornamental/vines/wisteria/wisteria-diseases.htm

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