Rocktrumpet Seeds - Flower Plant for Home Gardens

Rocktrumpet, commonly known as mandevilla, is a warm-season tropical climbing vine valued for its vigorous growth and trumpet-shaped ornamental flowers. It grows best in tropical and subtropical climates where temperatures remain warm and stable. The plant produces long, twining stems that require support such as trellises, fences, or pergolas for proper vertical development. It is widely used in ornamental gardens and container planting for decorative flowering displays.

Seed propagation is possible but may show variable germination because many cultivated mandevilla types are hybrids. In horticultural practice, vegetative propagation is often preferred for uniform growth, but seeds can still be used under suitable warm and moist conditions.

Features

• Tropical climbing vine with vigorous growth habit
• Produces trumpet-shaped ornamental flowers
• Suitable for warm tropical and subtropical climates
• Requires support for vertical climbing growth
• Adaptable to containers and garden structures

Specifications

• Scientific Name: Mandevilla sanderi / Mandevilla spp.
• Common Name (US): Rocktrumpet / Mandevilla Vine
• Seed Type / Variety: Standard Flowering Variety
• Growth Habit: Climbing vine
• USDA Zones: 9-11
• Planting Season: Spring to early summer
• Growing Season: Warm season
• Sowing Season: March to June
• Germination Time And Conditions: 14-21 days in warm, moist conditions (20-25°C)
• Sunlight Requirements: Full sun to partial shade
• Soil Requirements: Well-drained, fertile soil
• Watering Needs: Moderate, consistent moisture
• Mature Plant Size: Vines up to 2–4 m with support
• Plant Spacing: 30-45 cm between plants