Mix Sweet William Dianthus Seeds produce clump-forming biennial or short-lived perennial plants known for their fragrant, colorful flowers in a variety of shades including pink, red, and white. These plants thrive in full sun to partial shade with well-drained, fertile soil and are suitable for garden borders, cottage gardens, and container plantings. Once established, Sweet William attracts pollinators and adds long-lasting color and ornamental interest during late spring and early summer.
Features
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Clump-forming biennial or short-lived perennial growth habit
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Produces fragrant flowers in mixed colors
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Suitable for garden borders, cottage gardens, and containers
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Thrives in full sun to partial shade with well-drained soil
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Attracts pollinators such as bees and butterflies
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Adds long-lasting color and ornamental interest
Specifications
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Scientific name: Dianthus barbatus
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Common name (US): Sweet William
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Seed type / variety: Mixed flowering variety
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Growth habit: Clump-forming biennial/perennial
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USDA zones: 3 to 9
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Planting season: Spring
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Growing season: Late spring through early summer
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Sowing Season: Early spring
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Sowing season months: February to April
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Germination time and conditions: 10 to 14 days at 65 to 75 F in moist, well-drained soil
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Sunlight requirements: Full sun to partial shade
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Soil requirements: Well-drained, moderately fertile soil
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Watering needs: Moderate; keep soil evenly moist
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Mature plant size: 12 to 24 inches tall; 12 to 18 inches spread
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Plant spacing: 6 to 12 inches apart