Vinca Flower Seeds – Heat-Tolerant Blooming Garden Variety

Overview

Vinca Seeds grow into resilient, heat- and drought-tolerant flowering plants known for their continuous, vibrant blooms. Also called Madagascar Periwinkle, Vinca features glossy green foliage and colorful flowers in shades of pink, white, red, and lavender.

Ideal for sunny gardens, landscapes, and containers, Vinca blooms all summer long—even in hot, dry conditions. This easy-to-grow annual provides non-stop color and requires very little maintenance, making it a favorite among home gardeners.

Features

• Premium quality non-GMO Vinca (Periwinkle) seeds
• Produces bright, long-lasting blooms in multiple colors
• Highly heat- and drought-tolerant annual
• Excellent for borders, containers, and sunny garden beds
• Continuous flowering from spring through fall
• Low-maintenance and easy to grow

Specifications

• Common Name (US): Vinca / Madagascar Periwinkle (Catharanthus roseus)
• Seed Type: Annual flowering plant, open-pollinated, non-GMO
• Planting Season: Late spring or early summer (warm-season annual)
• USDA Hardiness Zones: 2–11 (annual in all zones)
• Sunlight Requirements: Full sun (6–8 hours daily)
• Soil Type: Well-drained, sandy or loamy soil, pH 6.0–7.5
• Sowing Method: Start indoors 10–12 weeks before transplanting or direct sow after frost; cover seeds lightly
• Germination Time: 10–15 days at 75–80°F
• Days to Maturity: 90–100 days from sowing
• Spacing: 10–12 inches between plants
• Plant Height: 12–18 inches tall
• Watering Needs: Low to moderate; prefers dry soil conditions once established
• Bloom Season: Late spring through frost
• Yield: Continuous, bright blooms throughout warm months
• Storage Use: Seeds can be stored for next planting season in cool, dry conditions