Catharanthus Roseus Seeds – Madagascar Periwinkle

Catharanthus Roseus Seeds grow into the well-known Madagascar Periwinkle, a beautiful and hardy ornamental plant that adds vibrant color to any garden. This tropical perennial produces glossy green leaves and charming blooms in shades of pink, white, and rose. Valued for its long flowering season and ability to thrive in warm climates, the Madagascar Periwinkle is perfect for garden beds, borders, hanging baskets, and containers.

This plant is drought-tolerant, low-maintenance, and suitable for both garden landscapes and decorative pots, making it a popular choice among home gardeners.

Features:

• Type: Annual or perennial (depending on climate)

• Common Name (US): Madagascar Periwinkle

• Scientific Name: Catharanthus roseus

• Flower Colors: Pink, white, rose, or red shades

• Growth Habit: Upright, bushy form

• Height: 10–18 inches (25–45 cm)

• Soil Requirement: Well-drained, sandy or loamy soil

• Sunlight: Full sun to partial shade

• Watering: Moderate; avoid overwatering

• Bloom Time: Spring through fall

• Special Feature: Heat and drought tolerant, long-lasting blooms

Specifications:

• Planting Season: Spring after the last frost or early summer

• Hardiness Zones (USDA): Zones 9–11 (grown as annual in cooler zones)

• Sowing Method: Start indoors 8–10 weeks before last frost or direct sow outdoors when temperatures are warm

• Germination Time: 10–21 days

• Temperature for Germination: 70–75°F (21–24°C)

• Spacing Between Plants: 8–12 inches (20–30 cm)

• Mature Plant Height: 10–18 inches (25–45 cm)

• Best Growing Months:

  • Northern Zones (3–5): May to September

  • Mid Zones (6–7): April to October

  • Southern Zones (8–11): March to November

• Maintenance: Low; pinch back for bushier growth and remove spent blooms to encourage new flowers

• Uses: Garden borders, pots, hanging baskets, ground cover, and ornamental landscapes