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Blueberries: Botrytis blight and fruit rot

Botrytis blossom blight causes blossoms turn brown then become covered with masses of powdery gray spores. These spores are carried by wind and rain to developing fruit, causing Botrytis fruit rot. More botrytis information

Cluster of blueberry flowers with tan-orange wilted blossoms and shriveled deep blue flower bases.

Blooming blueberry bush viewed from above. Small clusters of blossoms have shirveled gray-blue stems and tan petals, instead of plump, white, healthy petals on green stems.
Botrytis blossom blight can attack disparate blossom clusters on a blueberry bush. Photo courtesy of Laura McDermott.

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