Origin: US Native
Other Common Names: Rocky Mountain Iris, Wild Blue Iris
Duration: Perennial
Bloom Time: May-June
Height: 12” to 36”
Spacing: 15” to 18”
Light: Full Sun
Soil Moisture: Medium
USDA Zone: 3a-8b
Germination: Fall plant or cold stratify for 2 to 4 months for best results. Sow seeds 1/2” below the soil surface at 70F and water.
Seeds Per Oz: 1600
This Iris is at home in wet mountain meadows. It can be a little shorter than the Irises native to the Midwest, but has its own unique characteristics. It was used as a medicinal plant by the Native Americans of the West.
