Coreopsis Moonbeam Foliage - Knowledgebase Question

Babylon, NY
Avatar for molinell
Question by molinell
August 27, 2000
This is the second year I have tried to grow Coreopsis
Moonbeam in my garden and each year the foliage gets
brown and the plants seem to go dormant in late summer.
A few come back the next year. They are in a Southern
exposure in raised well-drained soil. They are properly
spaced. They start out blooming and stay good for the
majority of the summer. I fertilizer (slow releasing)
in the beginning of Spring. What could I be doing wrong
that this plant won't keep it's foliage? How can
I make sure that the soil is well-drained?

Answer from NGA
August 27, 2000
Based on your description it sounds like a disease may be at work rather than a drainage problem. You might want to take a sample to your county extension (727-7850) for a more specific diagnosis and suggested treatment, if any. In the meantime, trim away and destroy the ruined stems and foliage to try to limit reinfection and do not compost them.

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