Blue Flag (Iris virginica)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Wildflowers

Blue Flag
Iris virginica

Blue Flag
Blue Flag
 
Features
Purple iris flowers. 
 
Culture
Full sun; moist to wet sites. 
 
Mature Height
2-3 Feet
 
Native To:
Illinois
Indiana
Iowa
Michigan
Missouri
Ohio
Wisconsin
 
USDA Hardiness Zone
5 - 9 
 
Bloom Color
Purple
 
 
Bloom Season
May - July
 
Soil Conditions
Moist, Well-Drained
Wet
 
 
Exposure/Light Requirements
Full Sun
 
 
Pests and Problems

Environmental Damage


Additional pests and problems that may affect this plant:

No serious insect or disease problems.
 
Additional Notes

Found in wet areas.