Why are there no bees on Wisteria flowers, this year. Six feet away bees and twenty feet away bees are buzzing on Peach trees and
cherry trees and all the spring flowers? This is the first year that there has been not one bee on the Wisteria flowers. Very stra nge.
Certified GKH Gardening Expert
They will likely be more attracted to the other flowers in your yard much more than your wisteria. Unless you rid your yard of the other flowers, or they run out of nectar from the other flowers, they may stay away from your Wisteria in trade for some of the more valuable (to them) flowers.
To ensure that the flowers are of the best quality, you will want to give it the best care possible. This article will help: https://www.gardeningknowhow.com/ornamental/vines/wisteria/growing-wisteria-proper-wisteria-vine-care.htm