Alyssum Illness - Knowledgebase Question

Birchwood, WI
Avatar for fredthom
Question by fredthom
June 28, 1998
My Snow Crystals alyssum are succumbing to something. They looked healthy and blooming 2 weeks ago. Since then, in spite of adequate rain and warm temps, they are failing, looking as if they are drying up, at least a quarter of the over 300 plants. Some areas are more affected than others.Can you suggest anything to save them? No signs of insects or disease.

Answer from NGA
June 28, 1998
Sweet Alyssum is an annual plant that blooms early in the spring, and on into the summer if the weather isn't too hot. Snow Crystals should be tolerant of some hot weather, though so what you're probably seeing are the spent flower spikes. If you cut your plants back, you'll force a second flush of bloom. Alyssum does freely self-sow, so expect to see some new little plants in the garden bed, especially next spring.

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