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YOUR QUESTION #0149737:

Corn Flower - weird growth

My corn flowers have weird growth. I’m worried it’s Aster yellow.

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I am sorry it has taken so long to respond to your question. Coneflowers (echinacea) are susceptible to aster yellows and mites. Both impact blooms in a similar manner. Below are three links with information about both, including photos. I believe your coneflowers may have aster yellows. If so, there is no treatment except removal. I would encourage you to look at the write up and photos and compare to your plants. 
https://northerngardener.org/aster-yellows-vs-eriophyid-mites-on-coneflower/
https://bygl.osu.edu/node/881
https://extension.umn.edu/plant-diseases/aster-yellows