The Q&A Archives: Coreopsis Moonbeam Sparse

Question: My friend and I both noticed that our coreopsis "Moonbeam" grew very thinly this year. I do have one plant that did well, but the other has only 8-10 little stems. Is there some problem this year in western Penna that would cause this. Both of mine are 3 year old plants.

Answer: I am not aware of any particular overall conditions that would cause two out of three to perform poorly so perhaps they are in a slightly different type of soil, or the nearby drainage pattern has changed so they receive less water during the growing season or excess water during the winter, or nearby plants have grown to shade or crowd them a bit, or perhaps you missed them when fertilizing.... gardens are never static so I imagine something else has changed to affect them adversely. It is also true that this plant will eventually need dividing to maintain vigor, generally in the three to five year time frame, but it does not sound like that is the case here.

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