Wisteria leaves look yellow and lifeless
By Amature
United Kingdom 
Had Wisteria plant for the last 10 years always had lovely flowers and always looked healthy. However this year leaves are yellow and flowers were poor. Looks like it needs a good feed, any suggestions please?
On plant
Amateur
27 Jul, 2009
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Need more info I'm afraid - there are 3 or 4 things it might be. When you say the leaves are yellow, do you mean completely yellow all over, every leaf, or do you mean yellow mottling between the veins of the leaves, or just a few yellow leaves. Have you checked the stems, backs of the leaves and bark for any sign of damage or infestation of any kind?
27 Jul, 2009