Allamanda Seeds – Blanchetii

Allamanda ‘Blanchetii’ is a vibrant tropical flowering vine admired for its striking purple-lavender trumpet-shaped blooms and lush green foliage. This fast-growing plant is ideal for adding color and elegance to gardens, patios, trellises, and fences. Known for its long blooming season and vigorous growth, Allamanda Blanchetii thrives in warm climates with plenty of sunlight. It’s easy to grow from seed and rewards gardeners with abundant blossoms that brighten up any outdoor landscape.

Features:

• Produces large, purple-lavender trumpet-shaped flowers.

• Fast-growing tropical vine suitable for warm and sunny regions.

• Continuous flowering throughout the warm months.

• Ideal for trellises, fences, pergolas, and containers.

• Attracts butterflies and enhances garden aesthetics.

• Easy to grow and maintain with minimal care requirements.

Specifications:

• Scientific Name: Allamanda blanchetii

• Common Name (US): Allamanda

• Plant Type: Perennial vine (grown as annual in cooler regions)

• Bloom Color: Purple to lavender

• Bloom Size: 2–3 inches in diameter

• Plant Height: 6–10 feet (can be trained on support structures)

• Sunlight Requirement: Full Sun

• Soil Type: Well-drained, fertile soil

• Watering: Moderate; water regularly but avoid waterlogging

• Germination Time: 15–25 days

• Days to Bloom: 90–120 days after sowing

• Sowing Method: Start indoors 6–8 weeks before last frost or sow outdoors after frost risk

• Spacing: 18–24 inches apart

• Growing Season: Spring through Fall

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

• Best Planting Months (by Zone):

  • Zones 9–11: February to April

  • Zones 7–8: March to May

  • Zones 5–6: Start indoors in April, transplant after frost

• Uses: Garden trellises, outdoor décor, hanging baskets, and ornamental displays