Wisteria Not Blooming

Question

I have a Wisteria that I planted about 2 years ago. It is growing vines like crazy, but won’t bloom. I read what to do, such as root pruning and adding phosphate, but my 2 questions are:

1. Is it ok to root prune now?
2. What is a phosphate? I bought some bone meal, which said it had phosphate in it, but I think it also has nitrogen. How would it be labeled in a store? I didn’t see anything that just said phosphorus or phosphate.

Thank you for your help!

Answer 1

Yes, you can go ahead and try root pruning now. Bone meal is fine for adding more phosphorus to the soil. Here is more information: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htm