Sibella Carmine Silene is a charming spring-to-summer flowering annual that brings vibrant carmine blooms to gardens across zones 4-10. This cultivar of Silene pendula grows as a compact mound, reaching just 6-12 inches tall but spreading 12-18 inches wide, making it excellent for edging, containers, or naturalized plantings. From seed to bloom in 70-84 days, it transitions quickly from tiny seed to flowering plant, with blossoms appearing from March through August depending on your region and planting time. The flowers attract pollinators reliably, adding life and movement to any sunny garden bed.
Full Sun
Moderate
4-10
12in H x 18in W
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Moderate
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Sibella Carmine Silene germinates quickly and blooms prolifically, often flowering within 10-12 weeks of sowing. Its low, spreading habit and long bloom window from spring into summer make it exceptionally reliable for continuous color without excessive maintenance. The carmine flowers are irresistible to pollinators, turning your garden into a hub of activity throughout the season.
Sibella Carmine Silene shines as a border plant, edging paths and garden beds with its low mounding form. Its spreading habit and prolific flowering make it valuable for container gardens, rock gardens, and naturalized areas where you want soft pockets of color. The nectar-rich blooms also serve gardeners interested in supporting pollinator populations.
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Sow seeds indoors 6-8 weeks before planting out after the last frost. Maintain soil temperature between 60-70°F and water from the bottom up to prevent damping off, which ensures sturdy seedlings.
Transplant outdoors after your last frost date has passed. Space plants 6 inches apart to accommodate their spreading mature width of 12-18 inches.
Direct sow after the last frost, surface sowing or barely covering seeds since light aids germination.
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