Crested Iris (Iris cristata)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Wildflowers

Crested Iris
Iris cristata

Iris cristata
Iris cristata
 
Features

Iris flowers with yellow crest on downward curving 'petals' (really sepals).

 
 
Culture

Full sun to partial shade; moist, well drained sites. Partial shade is best, but crested iris can be grown in full sun as long as soil is consistently moist.

 
 
Mature Height
6-8 Inches
 
Native To:
Illinois
Indiana
Missouri
Ohio
 
USDA Hardiness Zone
4 - 9 
 
Bloom Color
Blue
Purple
 
 
Bloom Season
April - May
 
Soil Conditions
Moist, Well-Drained
 
 
Exposure/Light Requirements
Full Sun
Partial Sun/Shade
 
 
Pests and Problems

Environmental Damage


Additional pests and problems that may affect this plant:

Slugs

 
Additional Notes
Found in woods. Spreads by rhizomes and can be used as a goundcover.