Help with diseased(?) Coneflowers

3 days ago
last modified: 3 days ago

My once healthy coneflowers get like this within a few days of blooming. Chunks of petals go missing on some (but not all), get all this weird grayish fuzz on the cone, and some of the center falling apart. The leaves are green and normal. Is it the coneflower mites? That was my first guess but then the fuzzy crud didn't look quite right. Trying to figure how to manage this for next year. Thanks in advance!

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