One of my coneflowers looks like it may have aster yellows. Should I remove it, and is moving it to a pot a reasonable way to keep it?
What should I do with a coneflower that might have aster yellows?
Asked by QuietKite
Answers
If it really is aster yellows, there isn’t a treatment that will save the plant. I wouldn’t move it to a pot or keep it nearby. Remove the whole plant and bag it for disposal.
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Green or misshapen flowers and stunted, odd-looking growth can fit aster yellows, but other problems can affect leaves and flowers too. If you’re unsure, ask a local garden diagnostic service to check before removing a lot of plants. For a clearly affected plant, taking it out is the practical choice.
Composting advice can vary with the composting method. If you don’t know whether your pile is suitable for diseased material, bagging it and following local yard-waste rules is the simpler option.
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