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Cosmos sulphureus is an easily grown annual with bright yellow to orange flowers from June-September that attract pollinators and beneficial insects to the garden.  Direct sow 1/8" deep or broadcast and gently rake into the soil.  Can also be sown indoors 4 weeks before last frost then transplanted to the garden.  Thin plants 9-12" apart.  It frequently self-sows and tolerates drought and poor soil.

Cosmos sulphureus, Cosmos (yellow)

  • Height 2-6'. Spread 1-3'. Yellow blooms June-September. Full sun and tolerates dry soil. Direct sow or can be started indoors. Germination: No pre-treatment.

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