Starting Cosmos Indoors? - Knowledgebase Question

Gansevoort, NY
Avatar for kathy1249
Question by kathy1249
February 19, 1999
I bought some seed packets and most of the packets tell you when to plant them indoors. The package of Cosmos seeds does not give this information. Can you give me some basic advice about these flowers and when I should plant them?

Answer from NGA
February 19, 1999
Cosmos grows tall very quickly once it germinates and so is a bit tough for the home gardener to grow well by starting it indoors. (If you insist on trying, allow only about 4 weeks or so and provide it plenty of light.) For this reason, it is usually grown from seed planted directly in the garden or from purchased transplants. Cosmos needs full sun and a warm soil and enjoys warm weather, so plant it after all danger of frost. Some of the older varieties may not begin blooming until mid summer, but nonetheless it is a wonderful annual. It makes a great display in the garden and also does well as a cut flower. In fact, the more you cut it the more it seems to bloom. Enjoy your cosmos!

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