I have had a wistera plant for 6 plus yrs. And given every fertilizer alive, but it never bloomed. Do you know why?
Certified GKH Gardening Expert
You may want to consider adding some phosphorus to the soil, like bone meal, which helps promote blooming. This article should also help: https://www.gardeningknowhow.com/ornamental/vines/wisteria/wisteria-blooming-problems.htm