Blue Star Sea Holly Seeds for Planting – Metallic blue flower heads 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 10-30 days
- Sowing Depth 0.5-1 cm
- Plant Spacing 40-60 cm
- Sunlight Full sun to light shade
- Soil Type Well-drained, moderately fertile soil
- Watering Regular watering while establishing; reduce once established
- Ideal Temperature 18-24°C
- Blooming Time 60-90 days after sowing; summer to early autumn; repeat flowering in favorable climates
- Suitable For Garden beds, borders, containers (common name Blue Star Sea Holly)
- Seed Storage Store in a cool, dry place in an airtight container
- Special Care Provide good drainage; avoid overwatering; deadhead faded flowers to extend bloom
Description
Blue Star Sea Holly is a perennial flowering plant. It is suitable for garden beds, borders and containers. Sow seeds 0.5-1 cm deep and space plants 40-60 cm apart in full sun to light shade and well-drained, moderately fertile soil. Germination takes 10-30 days. Regular watering while establishing, then less once established. Ideal temperatures are 18-24°C. Expect bloom 60-90 days after sowing, from summer to early autumn, with repeat flowering in favorable climates; deadhead to extend bloom.