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
GERMINATION: 7-10 days at 75°F (24°C). Outdoors, soil temperature must be above 60°F (16°C). CULTURE: Outdoors (recommended planting method): After last frost sow seed thinly in rows, barely covering seeds. Thin when first true leaves appear. Indoors: Sow seed thinly, barely covering, 5-7 weeks before setting out. Keep soil moist until emergence. When first true leaves appear transplant into larger containers. Harden off and transplant outdoors after last frost. LIGHT/SOIL REQUIREMENTS: Full sun in any soil. Tall varieties may benefit from some wind protection. SPACING: 9-12" apart. Wider spacing creates stronger, thicker stems. USE: Excellent cut flowers. Beds, containers, and mass plantings. HARVEST: Fresh Cut: Harvest when petals on first flower are just opening, but have not yet flattened out.