Cirsium Muticum, also known as Swamp Thistle, produces vibrant, colorful blooms that attract pollinators and bring dynamic interest to garden beds, borders, and naturalized areas. This heirloom variety is easy-to-grow, low-maintenance, and ideal for gardeners seeking long-lasting flowers that add both beauty and ecological value to their outdoor spaces.
Features:
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Cirsium Muticum variety
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Produces vibrant, colorful blooms
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Easy-to-grow and low-maintenance
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Attracts pollinators such as bees and butterflies
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Ideal for garden beds, borders, and naturalized planting areas
Specifications:
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Plant Type: Perennial flowering plant
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Height: 3–5 feet
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Bloom Time: Summer to early fall
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Light Requirements: Full sun to partial shade
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Soil Preference: Moist, well-draining soil
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Zones: USDA hardiness zones 4–9
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Planting Season: Spring after last frost
Planting & Sowing Instructions:
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Indoor Sowing: Sow seeds in small pots with well-draining soil 6–8 weeks before the last frost. Lightly press seeds into soil and keep moderately moist. Germination typically occurs in 14–21 days.
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Transplanting: Move seedlings outdoors after frost risk has passed. Space plants 18–24 inches apart to accommodate growth.
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Direct Sowing: Sow seeds directly into prepared garden soil in spring after the last frost. Cover lightly and water gently.
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Care Tips: Maintain even soil moisture without waterlogging. Deadhead spent blooms to encourage continued flowering. Mulching helps retain moisture and regulate soil temperature.
