Blue Flag Iris is a perennial flowering plant known for its upright growth and blue to violet blooms. It develops clumping plants from rhizomes and is well suited for garden beds, borders, and moisture rich planting areas. This variety adapts well to cool and moderate climates and performs best in full sun to partial shade with moist to wet soil conditions. It is commonly grown for seasonal flowering and naturalized landscape settings.
Features
- Upright clumping growth with blue to violet blooms
- Suitable for borders and moisture rich planting areas
- Adaptable to cool and moderate climates
- Performs well in full sun to partial shade
- Suitable for naturalized and landscape planting
Specifications
- Scientific name: Iris versicolor
- Common name (US): Iris
- Seed type / variety: Blue Flag
- Growth habit: Perennial rhizomatous plant
- USDA zones: 3 to 9
- Planting season: Fall and spring
- Growing season: Spring to early summer
- Sowing Season: Fall September to November Spring February to March
- Germination time and conditions: 30 to 90 days may require cold stratification
- Sunlight requirements: Full sun to partial shade
- Soil requirements: Moist to wet soil
- Watering needs: High prefers consistently moist conditions
- Mature plant size: 60 to 90 cm height 45 to 60 cm spread
- Plant spacing: 30 to 45 cm apart
