Wisteria Flower Buds. Some gardeners in warmer states can start pruning as late as the mid-winter. Once youve checked for signs of thrips including black spots of feces on plant materials deformed buds.
Never had a wisteria before and its only just been bought and planted out this year so reading on the general info about wisterias i would have thought that these are only leaf buds as i believe it takes quite a few seasons and lots of pruning before you reach the flower. Adverse conditions particularly dry soil occurring between July and September can cause the buds to abort. Looking down from the bedroom window.
Wisteria only produces flowers on new canes so its best to remove all of the old ones at the end of the growing season in the late fall.
The other possibility is that you do not know which are the flowering buds and you are inadverting pruning them off every year. Instead they usually dry up and fall off the plant. Feb 14 2021 Severely damaged flower buds wont open. The other possibility is that you do not know which are the flowering buds and you are inadverting pruning them off every year.