Wisteria Vines

Poor Wisteria Blooms

Anonymous added on September 4, 2011 | Answered

My wisteria vine puts out less and less blooms each year. The vine base/root is shaded, but the vines are in full sun all day. It gets fertilized and watered as suggested. HELP.

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Certified GKH Gardening Expert
Answered on September 5, 2011

I would guess that the nitrogen to phosphorus ratio is off. Even though you fertilize, without the right amount of phosphorus, it can't bloom well. Bone meal is a great way to add phosphorus. This article will also help:

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