Q.My Wisteria Is Several Years Old And Never Produced Flowers
I transplanted this wisteria from another area that had it everywhere and big beautiful flowers now none will appear in like 7 yrs

Certified GKH Gardening Expert
Did the amount of sun change? They need full sun to flower well. Also, your location is on the edge of wisteria hardiness. It is possible it went from a sheltered location to one that gets cold, winter winds. This article should help pinpoint the cause:
https://www.gardeningknowhow.com/ornamental/vines/wisteria/wisteria-blooming-problems.htm
https://www.gardeningknowhow.com/ornamental/vines/wisteria/pruning-wisteria.htm