Non-Blooming Wisteria - Knowledgebase Question

Los Angeles, CA
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Question by quack
April 20, 2000
I planted a 5 ft tall wisteria in my yard 2 years ago and it grows great and is very hardy but it has never bloomed. Is there something wrong or something I can do to encourage it?


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Answer from NGA
April 20, 2000
Wisteria can be so stubborn! But you're in good company. Many folks have difficulty getting wisteria to produce flowers. Proper pruning can help achieve your goal. A few other tips to keep in mind: Remember that wisteria needs full sun, and, if you have an unnamed seedling rather than a grafted variety, it may take decades to achieve bloom! When fertilizing wisteria, be careful with your choice of fertilizers, I stick to a superphosphate. Now, for the pruning: All through the summer, prune out the tips of all new shoots when they reach 12" long. In the winter, shorten the shoots again so that about 6 buds remain on each shoot. Cut away all suckers that appear at the base of the plant.

Hope your wisteria blooms this season!

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