The Q&A Archives: Flower Malformed on Echinacea

Question: About 1/2 or more of the flowers of my Echinacea have not seemed to develop, leaving the center head and extremely stunted flowers - sort of a very short stubble. None of my other perennials (my garden is quite large) have seemed to have any problem with flower formation. Any idea what the problem might be or suggestions? Thank you.

Answer: I too have seen this occasionally and am not sure of the cause but I suspect incomplete pollination and/or drought stress cause it. In my garden I have dead-headed the affected plants to keep them out of the local population seed strain but to be honest unfortunately I have not paid attention to see if plants rebloom the same way later in the season. I suppose my suggestion is to deadhead them and see of the next flush of bloom has the same problem. If so, I would replace the plants.

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