Double Click Rose Bon Bon Cosmos is a charming compact cultivar of Cosmos bipinnatus that produces delicate, fully double rose-colored blooms on bushy plants suited for hardiness zones 2 through 11. From seed to first flowers takes just 75 to 90 days, making it quick enough for even short growing seasons. This open-pollinated variety reaches a neat, manageable size and earns its place in gardens primarily as an excellent cut flower, delivering armfuls of cottage-garden charm from mid-summer through frost.
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2-11
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The fully double rose blooms are the star here, offering a romantic garden aesthetic that belies the ease of growing cosmos. Its compact growth habit means you can tuck it into borders without it overwhelming neighboring plants, while the prolific flowering and strong vase life make it a genuine cutting garden asset. Gardeners who keep up with deadheading will enjoy continuous blooms all season long, turning a simple annual into a reliable source of homegrown bouquets.
This variety shines as a cut flower, where its fully double blooms and sturdy stems make it a rewarding choice for fresh arrangements. The long vase life and continuous production through deadheading mean gardeners can harvest regularly without depleting the plant.
No timeline data available yet for this variety.
Sow seeds into 50-cell plug flats or your preferred seedling container 5 to 7 weeks before your last frost date, covering seeds lightly. Keep soil temperature at 65 to 80°F for germination. Harden off seedlings gradually before transplanting outdoors.
After hardening off, transplant seedlings outdoors once all danger of frost has passed. Space plants 9 inches apart in the garden bed.
Direct sow seeds into the garden after your last frost date once soil temperature is above 60°F, covering seeds lightly with soil.
Cut flowers when petals are just opening but not yet fully flattened for the longest vase life. Harvest in the morning when stems are most turgid. Regular cutting encourages more blooms.
Pinch the growing tips early in the season to encourage branching and create a fuller, bushier plant. Deadhead spent blooms regularly throughout the summer to maintain continuous flowering.
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