Why won't my wysteria vine bloom? It's about 4 years old. It bloomed the first two years...

It's about 4 years old. It bloomed the first two years and did not bloom last year nor this year. I feed it plenty and I live in Southwest TX so it gets enough sun. What else can I do for it?
Is here and admixture to control eflorecence on...
Answers:    If you cut it back any you cut it back at the wrong time of year or you cut it back too much.

nfd?
What is a twit?
Wisteria does not like to be fertilized. If you fertilize, the vine can grow 20 feet in a season but probably will not bloom. Try to keep fertilizer from other planted areas from flowing toward your wisteria this year and next year you are likely to be rewarded with a beautiful display.
What type of plant is this and how...