Cosmos bipinnatus (90-100 days) Open-pollinated. Pink and white blooms. The 4' tall plants attract pollinators and have long stems for cutting.
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Cosmos bipinnatus (75-90 days) Open-pollinated. Delicate cosmos in rich hues ranging from burgundy to deep amber rose. The 2¼–3¼" flowers contrast nicely with bright green foliage. 3–4' tall.
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Cosmos sulphureus Open-pollinated. Flame-red free-flowering double blossoms on wiry stems. 4' tall.
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Cosmos
~125-150 seeds/g.
Annual. Sun-loving, free-flowering all summer, can serve as an accent, screen or cutflower. Colorful daisy-style flowers with yellow centers bloom amidst lacy cut foliage. Attracts a broad range of beneficial insects.
Culture: For best results, thin its fast-growing large plants. Deadhead for persistent blooms. Harvest cutflowers when petals on first flower are just opening. Don’t wait too long! Old blooms don’t last. Vase life is 4–6 days. Light aids germination. May be started indoors at 70–75° (grow on at 60–65°) or direct seeded after last frost. Space 9–12". Tolerant of drought.
Flowers
All flowers are open-pollinated except where noted.
Days in parentheses after a variety indicate days to first bloom.