Double Click Blend Cosmos brings a burst of double-petaled elegance to gardens across zones 2 through 11. These sturdy annuals reach 24 to 36 inches tall and produce layered, ruffled flowers in a blend of warm tones that command attention in borders and cutting gardens. Thriving in full sun with minimal fussing, they're a cosmos that rewards you with continuous blooms from midsummer through frost, needing little more than decent drainage and a little patience.
Full Sun
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2-11
36in H x ?in W
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Moderate
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Double Click Blend stands apart from single-flowered cosmos varieties with its distinctive double and semi-double blooms that look far more complex than the ease of growing them suggests. The 'blend' designation means you'll get a mix of complementary warm colors across your planting, creating a naturally harmonious display without requiring separate seed packets. From a single sowing, these reach mature height reliably and flower prolifically, making them a workhorse for gardeners seeking impact without intensive maintenance.
Cosmos flowers excel in fresh arrangements and as cut flowers; the double-petaled form of this cultivar makes it particularly striking in bouquets where the layered blooms add texture and visual depth. They're grown primarily as ornamental annuals for garden color and border planting.
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Start seeds indoors 4 to 6 weeks before your average last frost date. Maintain soil temperature at 60°F for germination.
Transplant seedlings 4 to 6 weeks before your average last frost date, or wait until 1 to 2 weeks after your average last frost date when transplanting outdoor-grown seedlings. Space plants 12 inches apart.
Sow outside 1 to 2 weeks after your average last frost date, when soil temperature is at least 60°F.
For cut flowers, harvest cosmos blooms in the morning after dew dries but before the heat of the day. Pinch or cut stems just above a leaf node when flowers are fully open. Regular harvesting encourages more blooms throughout the season.
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