Q.My White Wisteria Has Flowers but the Flowers Fall Off Without Blooming!
It is an old white wisteria and as I am a new owner. I don’t know what it was like before I bought the house. There are lots of leaves with no visible disease, but the flowers (many) are falling off without blooming. It is facing the south and I wonder whether it is lacking some fertilizer.
Heather
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on April 29, 2013
It may have thrips. They attack the base of the blossoms and then the blossoms fall off without opening. This article will help with that:
https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm
Less likely with wisteria, it may not be getting enough water. Check the soil around the roots and make sure it is not overly dry.
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