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Cosmos produce daisy-like flowers that attract butterflies! They bloom all summer long and thrive in full sun. Cosmos comes from the Greek word kosmos, meaning “beautiful.”
Michigan Seeds and Plants grown on our farm, Renegade Acres, in Howell, MI!
Certified Organic by Oregon Tilth.
Botanical Name | Cosmos sulphureus |
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Life Cycle | Annual |
Min. Time to Germinate | 3 Days |
Max. Time to Germinate | 10 Days |
Depth to Sow Seeds | 1/4 in. |
When to Sow | Indoors 2-4 weeks before last spring frost |
Growing Height | 24-36 in. (60-90 cm) |
Plant Spacing | 9-12 in. (22-30 cm) |
Hardiness | N/A |
Sun Exposure | Full Sun |
Danger | Parts of plant are poisonous if ingested |
Bloom Color | Orange |
Bloom Time | Late Summer/Early Fall, Mid-Summer |
Foliage | Smooth-Textured |
Other Details | Drought-tolerant; suitable for xeriscaping, Self-sows freely; deadhead if you do not want volunteer seedlings next season, This plant is attractive to bees, butterflies and/or birds |
Soil pH Requirements | 7.9 to 8.5 (alkaline) |
Propagation Methods | From seed; direct sow after last frost, From seed; direct sow outdoors in fall, From seed; sow indoors before last frost |
Seed Collecting | Allow seedheads to dry on plants; remove and collect seeds, Properly cleaned, seed can be successfully stored |
Seeds Per Pack | 50 |