HOME GROWN Cosmos Candystripe 600 Flower Seeds Cosmos bipinnatus
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GERMINATES IN 5–14 DAYS – COMPLETE SOW GUIDE – Sow seeds 1/8–1/4 inch deep (shallow sowing preferred) in well-drained soil at 60–75°F after last frost. Space 12–18 inches apart. Start indoors 4–6 weeks before last frost using biodegradable pots; harden off 7–10 days before transplanting. No stratification needed. Expect first blooms in 70–90 days from sowing.
TALL CUT FLOWER STEMS – 36–60 INCHES – USDA ZONES 2–11 – These warm-season annuals reach 36–60 inches tall with a 12–24 inch spread, adding dramatic vertical structure to any planting. Performs across a wide range of climates in USDA Zones 2–11. Not frost-hardy — sow after all danger of frost has passed for best results.
THRIVES ON NEGLECT – DROUGHT, HEAT & POOR SOIL TOLERANT – Full sun (6–8+ hours daily) and well-drained, low-fertility soil produce the best blooms — excess nutrients actually reduce flower production. Water lightly; drought-tolerant once established. Thin seedlings once true leaves form and ensure g...
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