Rudbeckia Black-eyed Susan Seeds grow into perennial or annual, upright, clumping plants with coarse, lance-shaped foliage and daisy-like flowers featuring bright yellow or orange petals with dark brown or black central cones. They thrive in temperate climates with full sun and well-draining, fertile soil. Black-eyed Susans are ideal for garden beds, borders, wildflower meadows, and pollinator gardens, providing long-lasting blooms from mid-summer through fall and attracting bees and butterflies.
Features
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Perennial or annual, upright, clumping growth habit
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Produces daisy-like flowers with yellow or orange petals and dark central cones
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Suitable for garden beds, borders, wildflower meadows, and pollinator gardens
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Thrives in full sun with well-draining soil
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Provides long-lasting blooms and attracts pollinators
Specifications
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Scientific Name: Rudbeckia spp.
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Common Name (US): Black-eyed Susan
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Seed Type / Variety: Garden Variety
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Growth Habit: Upright perennial or annual
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USDA Zones: 3-9
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Planting Season: Spring
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Growing Season: Mid-summer through fall
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Sowing Season: Spring
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Sowing Months: March to May
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Germination Time and Conditions: 10-21 days, keep soil moist, light recommended
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Sunlight Requirements: Full sun
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Soil Requirements: Well-draining, fertile soil
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Watering Needs: Moderate, allow soil to dry slightly between watering
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Mature Plant Size: 24-36 inches tall, 12-18 inches spread
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Plant Spacing: 12-18 inches between plants