I have very small buds on my wisteria which are not developing and are falling off. I only have a few blooms at this time. Last year my plant was covered in blooms. Is there a reason for this? I did do some pruning but not harsh.
Certified GKH Gardening Expert
Buds dropping or falling off can be due to insects or environmental issues.
Here is an article with more information.
This article will refresh you on pruning.