Q.strange growth
My , spent, cone flowers have new growth coming out of the center of the flower. It is only on one plant and I have never seen this before. Is this unusual for this plant?

Downtoearthdigs
Answered on July 19, 2019
This could be a disease called Asters Yellow.
These articles will help you.
https://www.gardeningknowhow.com/ornamental/flowers/coneflower/coneflower-problems.htm
https://www.gardeningknowhow.com/plant-problems/disease/aster-yellows-disease.htm
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