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Impatiens > Flowers > Flowers with blotches, spots or discoloration
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Gray Mold
Botrytis cinerea
- Brown spots on leaves with concentric brown rings like a bull’s eye
- Brown blossoms or petals; flowers drop off prematurely
- Gray fuzzy mold develops on rotted tissue under humid conditions
- Disease develops during cool, wet weather
- More information on Gray Mold
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Flower Thrips
Frankinella spp.
- Active from June through September
- Feeding damage causes petals and leaves to have a stippled or silvery appearance
- Flowers turn black and prematurely fall off
- Tiny, black excrement can be seen inside damaged flower buds or on the underside of leaves
- Adults are 1/16 inch long, elongate, and range from yellow to brown. Nymphs are yellow
- More information on Flower Thrips