Blue flag
Iris virginica
Blue flag iris thrives in consistently moist to wet soil and is ideal for rain gardens, pond edges, or boggy areas. Plant in part shade to full sun and divide clumps every 3-4 years to maintain vigor. Avoid letting roots dry out completely, as this plant naturally grows along stream banks and wetland margins.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
120″ – 360″
Soil
loam
Life Cycle
Perennial
Spacing
18″
Flowers
purple
Watering Schedule
Every 5-7 Days; Keep Soil Consistently Moist • Water Deeply To Maintain Evenly Moist To Slightly Wet Soil; Do Not Allow To Dry Out
Soil pH
4.8 – 7.3
Temperature
-25° – 95°F
Mature Spread
up to 180″
Root Depth
Medium
Foliage
Coarse
Propagation: Seed
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — Taken May 19, 2015 by EOL − randomrover88 (cc-by)
No nurseries currently have this species in stock.