Periwinkle Seeds - All In One For Home Gardens

Periwinkle is a flowering plant that develops glossy foliage and continuous blooms throughout the warm growing season. It thrives in warm to temperate climates and performs best in full sun to partial shade with well-drained soil. The plant adapts well to home gardens, borders, containers, hanging baskets, and ground cover planting where moderate moisture and consistent warmth support healthy growth and flowering.

Features

• Flowering plant with glossy green foliage
• Produces blooms throughout the growing season
• Suitable for warm and temperate climates
• Performs best in full sun to partial shade
• Adapts well to borders, containers, and ground cover planting

Specifications

• Scientific Name: Catharanthus roseus / Vinca spp.
• Common Name (US): Periwinkle
• Seed Type / Variety: Flower seed mix
• Growth Habit: Upright to spreading annual/perennial
• USDA Zones: 9 to 11 (grown as annual in cooler regions)
• Planting Season: Spring
• Growing Season: Spring to fall
• Sowing Season:
  • Warm regions: January to April
  • Cooler regions: February to May
• Germination Time and Conditions: 1 to 3 weeks in warm temperatures (20–25°C)
• Sunlight Requirements: Full sun to partial shade
• Soil Requirements: Well-drained, moderately fertile soil
• Watering Needs: Moderate, allow slight drying between watering
• Mature Plant Size: 15 to 45 cm height, 20 to 60 cm spread
• Plant Spacing: 20 to 30 cm apart