Marigolds - Knowledgebase Question

Longwood, Fl
Question by connievgrove
April 22, 2009
What causes my marigolds blossoms to turn black? They have been in the ground only 3 weeks.


Image
Answer from NGA
April 22, 2009

0

Sounds like Botrytis (gray mold) to me! Gray mold thrives in very humid conditions. If your flowers are plagued with this problem, you'll need to increase air circulation around the plants by thinning them. Or, you can apply a preventive spray of Soap Shield. Good luck with your marigolds!

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