Introduction
Double Click Rose Bonbon Cosmos (Cosmos bipinnatus) is a romantic, double-flowered cosmos variety featuring lush rose-pink blooms with layered petals and a soft, ruffled appearance. Loved for its long stems and continuous flowering, this variety is a favorite in U.S. cut-flower gardens and cottage-style landscapes. Easy to grow from seed, Double Click Rose Bonbon Cosmos adds elegance and movement to summer gardens.
How to Grow Double Click Rose Bonbon Cosmos Seeds
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Direct sow Double Click Rose Bonbon Cosmos seeds outdoors after the danger of frost has passed, or start indoors 4–6 weeks before last frost.
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Choose a planting site with full sun and well-drained soil.
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Plant seeds ¼ inch deep and cover lightly with soil.
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Water gently and keep soil evenly moist until seedlings emerge.
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Seeds typically germinate within 7–10 days.
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Thin or transplant seedlings to 12–18 inches apart.
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Harden off indoor-started plants before transplanting outdoors.
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Cosmos grow best when direct sown and tolerate poor soil.
How to Care for Double Click Rose Bonbon Cosmos Plants
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Water moderately; once established, plants are drought tolerant.
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Grow plants in average to poor soil; overly rich soil can reduce flowering.
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Double Click Rose Bonbon Cosmos thrives in warm, sunny conditions.
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Avoid heavy fertilization; no fertilizer is usually needed.
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Deadhead spent blooms regularly to encourage continuous flowering.
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Taller plants may require light staking in windy areas.
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Flowers attract bees and butterflies and are excellent for cut arrangements.
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Plants bloom continuously from early summer until frost.
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