Of the many types of corepsis, verticillata is the most popular for the garden — with yellow or gold flowers and feathery leaves. The light-yellow cultivar ‘Moonbean’ was voted Perennial of the Year in 1992. In zones 6 and 7, cultivars perform better than the species. Other popular cultivars are ‘Rosea’ and ‘Zagreb’, both gold-flowered and even more drought-tolerant than ‘Moonbeam.’
Details
- Hardy to Zones 3-9.
- Blooms June-October.
- Long-lived, reblooms without deadheading (removing the dead flowers). Does not self-seed.
- Full sun.
Care
- Shearing off dead blooms creates a late-summer rebloom. Then don’t prune again.
- Drought-tolerant.
- Don’t fertilize — it makes coreopsis grow to be too tall and actually have less flowering.
- Mulch ‘Moonbean’ for the winter.
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by Cutler and Ellis is another source I consult regularly.