QuestionsHow to growTrees and ShrubsShelterwisteria dying? 0 Vote Up Vote Down Noel Kirby asked 14 years ago At least 80% of the leaves on my wisteria have withered and fallen off i have been watering it as normal, however the plant has had to endure strong winds for the last month, it is six years old any ideas best regards. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago It is possible that wisteria in an exposed spot has suffered severe wind damage. At six years,it should not need watering, unless it is in a pot, with root restriction which may also have led to foliage withering.