Blue Flag Iris
(Iris versicolor)
Other Information
Physical Characteristics
Type: Herbaceous Perennial
Height: 2 - 3 ft
Spread: 2 - 2.5 ft
Flower Color: Blue / Purple with Yellow
Flower Time: Late Spring (May - Jun)
Fruit Type: Seed Capsule
Fruit Color: Green / Brown
Autumn Color: Insignificant
Sun Conditions: Full Sun / Part Shade
Shade Tolerance: Low
Moisture Preference: Medium / High
Deer Resistance*: High
Dog Safe**: No (Toxic)
Conservation Status (MD): SNR - Unranked
Other Names: Harlequin Blueflag, Northern Blueflag
*Deer resistance can vary based on many factors
**Always consult with a veterinarian about plants toxic to dogs and other animals
Wildlife Benefits:
Blue Flag Iris provides is a pollen and nectar source that attracts pollinators, beneficial insects, and can attract hummingbirds. Plants are a larval host to several moth species and can offer cover for wildlife.