Wisteria Has Never Bloomed
This wisteria, which is several years old, climbed over our neighbor's fence and made its home HERE, but we've also Never seen blooms on the "parent" plant. It gets lots of sun and has been protected from the occasional bad winter.
Certified GKH Gardening Expert
There are several reasons for a wisteria not blooming, but the most common is too much nitrogen. This article can give you some other ideas too: