American Centaurea Basketflower Seeds for Planting – Large thistle-like blooms for Plant Collections
Seed Details & Growing Guide
All the essential information to grow healthy, vibrant flowers.
- Seed Type Flower Seeds
- Plant Type Annual Flowering Plant
- Germination Time 7-21 days
- Sowing Depth 0.5-1 cm
- Plant Spacing 25-40 cm
- Sunlight Full sun (6-8 hours daily)
- Soil Type Well-drained, fertile garden soil
- Watering Moderate watering; keep soil evenly moist but not waterlogged
- Ideal Temperature 18-24°C
- Blooming Time 60-90 days after sowing; blooms midsummer to early autumn
- Suitable For Garden beds, borders, and sunny containers
- Seed Storage Store in a cool, dry place in an airtight container
- Special Care Deadhead to extend flowering; stake tall varieties if needed
Description
American Centaurea is an annual flowering plant grown for large thistle-like blooms. It’s suitable for garden beds, borders, and sunny containers. Sow 0.5-1 cm deep and expect germination in 7-21 days, spacing plants 25-40 cm apart in full sun with well-drained, fertile soil. Water moderately, keeping the soil evenly moist but not waterlogged, and grow best at 18-24°C. Blooms appear 60-90 days after sowing, lasting from midsummer to early autumn; deadhead to extend flowering and stake tall varieties if needed.