The Q&A Archives: Wisteria

Question: I have seven wisteria plants that are over six years old and have never bloomed. What am I doing wrong? They can't all be male plants. Nolee Feiock Rochester, NY

Answer: Wisteria produce perfect flowers (both female and male parts each flower) so they are not either male or female. The plant likes deep, moist, well-drained loam and reported to like a higher pH. Use nitrogen sparingly since this promotes excess foliage growth. Use superphosphate, root prune, and cut back vigorous growth leaving only 3-4 buds. Plant in full sun. It is a difficult plant to keep in flower. .

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