Bleuet
Centaurea cyanus
Plante annuelle herbacée offrant des inflorescences bleues vives, appréciée en massifs et pour la floriculture, attirant les pollinisateurs.
Full sunWater mediumAnnual5 months of harvest
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When to sow, plant and harvest
Temperate climate · mainland FranceJFMAMJJASOND
Sowing
Planting
Harvest
Characteristics
General
- Plant type
- Ornamental
- Life cycle
- Annual
- Growth habit
- Bushy
Growing conditions
- Nutrients
- Low
- Soil type
- Silty
- Water needs
- Medium
- Exposure
- Full sun
- Hours of sun
- 6 h
- Cold hardiness
- Moderate
- Heat tolerance
- Low
Sowing and planting
- Sowing method
- Direct in open ground
- Sowing depth
- 10 mm
- Minimum temperature
- 4 °C
- Propagation
- Division