Tubular petals with fluted edges. Effect is two-toned and three-dimensional. 2 1/2-3" blooms in carmine, rose, pink, and white. Cosmos are also known as garden cosmos. Ht. 40-48". Avg. 4,000 seeds/oz. Packet: 50 seeds.
Latin Name: Cosmos bipinnatus
Days to Maturity or Bloom:
Shipping Information & Notes
DAYS TO GERMINATION: 7-10 days at 75°F (24°C). When planted outside, soil temperature must be above 60°F (16°C).
SOWING: Direct seed (recommended): After last frost, once soil temperature is above 60°F (16°C), sow seed thinly in rows, barely covering the seeds. Thin when the first true leaves appear. Transplant: Sow seed thinly, barely covering, 5-7 weeks before setting out. Keep soil moist until emergence. When the first true leaves appear transplant into larger containers. Harden off and transplant outdoors after the last frost.
LIGHT PREFERENCE: Sun.
SOIL REQUIREMENTS: Any soil.
PLANT HEIGHT: Varies. Tall varieties may benefit from some wind protection.