By Millie
kent,
United Kingdom 
Why would my leaves on my wisteria be beginning to curl up had beautiful flowers earlier in year but now leaves are looking decidedly poorly tree is approx 15 years old help.
10 Jun, 2020
Any chance of a photo. having looked at mine some of those are curling and I wonder if it is due to the colder weather. Many plants do curl their leaves in adverse weather.
Have you had much rain? if not then it could just be due to lack of water.
sorry not much help really.
10 Jun, 2020