Dark Purple Butterfly Bush Seeds grow perennial shrubs known for their fragrant, dark purple flower spikes that attract butterflies and pollinators. These plants thrive in full sun and well drained soil, making them suitable for garden borders, hedges, and container cultivation. Adaptable to a variety of climates, they provide long blooming seasons and visual interest in ornamental landscapes.
Features
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Perennial shrub with fragrant dark purple blooms
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Attracts butterflies and pollinators
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Suitable for garden borders, hedges, and containers
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Thrives in full sun and well drained soils
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Long blooming season
Specifications
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Scientific Name: Buddleja davidii
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Common Name (US): Butterfly Bush
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Seed Type / Variety: Dark purple ornamental variety
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Growth Habit: Upright perennial shrub
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USDA Zones: 5–9
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Planting Season: Spring after frost
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Growing Season: Late spring through fall
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Sowing Season: March–May
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Germination Time and Conditions: 14–21 days; light, well drained soil at 70–75°F
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Sunlight Requirements: Full sun
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Soil Requirements: Well drained moderately fertile soil
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Watering Needs: Moderate; allow soil to dry between watering
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Mature Plant Size: 5–8 feet height; 4–6 feet spread
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Plant Spacing: 4–6 feet apart