Black Rainbow Hibiscus Seeds for Planting – Large ornamental blooms for Garden and Plant Collections
Seed Details & Growing Guide
All the essential information to grow healthy, vibrant flowers.
- Seed Type Flower Seeds
- Plant Type Perennial Flowering Plant
- Germination Time 7-21 days
- Sowing Depth 0.5-1 cm
- Plant Spacing 60-90 cm
- Sunlight Full sun (6-8 hours daily)
- Soil Type Fertile, well-drained soil
- Watering Moderate, keep soil evenly moist until established
- Ideal Temperature 20-30°C
- Blooming Time 12-16 weeks after sowing; blooms summer to frost
- Suitable For Garden beds, borders, containers (tropics to temperate climates)
- Seed Storage Store in a cool, dry place in an airtight container
- Special Care Feed with balanced fertilizer during active growth; pinch to encourage bushier habit
Description
Black Rainbow Hibiscus is a perennial flowering plant valued for large ornamental blooms. It is suitable for garden beds, borders and containers, in tropical to temperate climates. Sow seeds 0.5-1 cm deep, space plants 60-90 cm apart, and plant in full sun with fertile, well-drained soil. Water moderately and keep soil evenly moist until established. Ideal growing temps are 20-30°C, with germination in 7-21 days. Blooms appear 12-16 weeks after sowing and continue from summer to frost. Feed during active growth and pinch to encourage a bushier habit.