Iris virginica var. shrevei
Common name: Blue Flag Iris
Blue Flag Iris is a fast growing, water-loving species. Showy purple flowers with yellow streaks bloom from late spring to early summer. Although each individual flower is short lived, a colony can bloom for as long as a month. Because they are so fast growing, they benefit from divisions every 3-4 years. If left alone, this plant frequently forms colonies, particularly in wet areas. Although they can grow in part shade, they often will only bloom under full sun conditions.
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Plant Details
Plant type
Forbs
Soil type
Moist Mesic, Wet
Light exposure
Full Sun, Partial Sun / Part Shade
Bloom period
Spring
Urban environment
Uncompacted Urban Soils, Road-side/Salt Tolerant, Yards that Flood
Habitat
Floodplain, Moist Woods, Prairie Grasslands, Wetlands
Growth form
Colonizing / Spreading
Growth rate
Moderate
Flower color
Blue
Fall color
Yellow
Size
- Mature height
- 2 Feet
- Mature width
- 3 Feet
- Max height
- 4 Feet
- Max width
- 6 Feet
Additional information
Rain garden suited