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Tall, wispy plants covered with large white, pink, rose and crimson blooms make excellent cut flowers. Very easy to grow by direct seed. Drought tolerant. Summer to fall blooming.
Direct seed or transplant into the garden after all danger of frost has passed. Cosmos will need full sun and well-draining soil. Water well to ensure good germination. Once germinated, cosmos will need at least an inch of water per week. Typically grown for flowers. Annual.
Packet Size | Min. Seeds/ Packet | Average Yield / 100' Row | Days to Harvest |
1 g | 100 | n/a | 75-90 |
Planting Season | Ideal Soil Temp | Sun | Frost Tolerance |
After Last Frost | 70°F | Full Sun | Frost Sensitive |
Sowing Method | Seed Depth | Direct Seed Spacing | Seeds Per Packet |
Direct Seed | 1/8" | 4-6" | 160 |
Mature Spacing | Days to Sprout | Production Cycle | Seed Viability |
12-15" | 7-21 | Annual | 3-4 years |