Harlequin Blueflag

Iris versicolor

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Iridaceae
Genus:
Iris
Species:
Iris versicolor

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Geophyte
Height:
3-4 ft
Light Requirements:
Full Sun, Part Shade
Drought Tolerance:
High
Bloom Months:
may, jun, jul, aug
Bloom Colors:
Blue, Purple

Native Range

United States: Connecticut, District of Columbia, Delaware, Idaho, Illinois, Kentucky, Massachusetts, Maryland, Maine, Michigan, Minnesota, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Virginia, Vermont, Wisconsin, Canada: Manitoba, New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec

Keystone Species Ranking

Caterpillar Keystone:
★★★★☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Host Plant for Caterpillars

Gypsy moth (Lymantria dispar)

Reported Fauna Sightings

Bees: Brown-belted bumble bee (Bombus griseocollis), Brown-belted bumble bee (Bombus griseocollis), Common eastern bumble bee (Bombus impatiens), Common eastern bumble bee (Bombus impatiens), Tri-colored bumble bee (Bombus ternarius), Tri-colored bumble bee (Bombus ternarius)

Soil Requirements

Soil Type:
rich, moisture-retentive loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Thrives in wetland areas and along water bodies

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Notes: Seeds may require light for optimal germination.

Source: OpenAI GPT-4o