White Periwinkle Seeds grow low maintenance perennial plants known for their glossy green foliage and delicate white flowers. These tropical plants thrive in warm, sunny locations and well drained soil. Suitable for garden beds, borders, and containers, they adapt well to a variety of soil types and provide consistent blooms throughout the growing season in warm climates.
Features
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Perennial flowering plant with white blooms
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Suitable for garden beds, borders, and containers
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Thrives in warm, sunny locations
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Adaptable to various well drained soils
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Low maintenance and continuous flowering
Specifications
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Scientific Name: Catharanthus roseus
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Common Name (US): Madagascar Periwinkle
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Seed Type / Variety: White flowering ornamental variety
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Growth Habit: Perennial bushy plant
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USDA Zones: 9–11 (grown as annual in cooler zones)
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Planting Season: Spring after frost
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Growing Season: Spring through fall
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Sowing Season: March–June depending on region
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Germination Time and Conditions: 10–14 days in warm, moist soil 70–75°F
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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; allow soil to dry slightly between watering
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Mature Plant Size: 12–18 inches height; 12–18 inches spread
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Plant Spacing: 12–15 inches apart