C for Cosmos

Categories: Plants and Seeds.

 

Cosmos are a beautiful tall, annual plant for the garden which produce a multitude of blooms in many colours.

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They prefer full sun and rich soil. Cosmos are the perfect plant for the back of the garden. Each year I grow these plants from seed that I have saved the previous year. They will also self seed and I will find surprise plants growing in various places of the garden.

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Deadheading the flowers keeps them in continual bloom from July to first frost.

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At the end of the growing season let the spent flowers go to seed. When dry you can harvest the seeds, let them dry, and store them for next year. I also leave some flower heads on the plant and the birds will enjoy the seeds. The goldfinches love the seedheads and will be there quickly to eat them up.

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Plant seeds outside after the last frost or inside about 3 to 4 weeks before outside planting.

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Cover with about 1/4 inch of soil.  The seedlings transplant easily so you can start them in pots and then pick the spot in your garden. Seeds germinate in 5 to 10 days. I use an old fork to lift and separate the seedlings.  I usually try to transplant them after a watering or a rain.

Last year I grew some gorgeous orange cosmos and collected the seed.  I’m hoping for some more of these gorgeous blooms this year.

cosmos2012bb

If you are a seed collector you can print a seed packet or seed label to swap your seeds in.

More from The Gardener Side

plants … seed info … veggies & herbs … bulbs, corms, tubers

the gardens  … whimsy in the garden … garden printables

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