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Rocky Mountain Iris

As low as $0.99
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Growing Region:
Full Sun to Partial Shade
Germination Rate:



8" - 20"


Dark Blue Medium Blue Light Blue Dark Purple Medium Purple Light Purple White

High Water
Native to US:


Life Form:




Product Specifications:

Seeding Rate: 43 lbs. / Acre

Scientific Name: Iris missouriensis

Rocky Mountain Iris, also known as western blue flag and Missouri flag, is a perennial wildflower native to the western United States. There it can be found growing alongside rivers, streams, and ponds from high elevations in mountains and alpine meadows, to sea level coastal hills. Once established, it can tolerate cold temperatures down to -15° F and elevations up to 10,500 feet.

Rocky Mountain Iris grows up to two feet tall and produces blue, violet and purple flowers. It flowers from May all the way through September. It prefers full sun but tolerates partial shade well. Plant in sandy soils that receive plenty of moisture. It is a beautiful native perennial that adds a unique touch to any wildflower mix, especially around water features. This wildflower is also deer resistant.

Host plant: white-lined sphinx, American ear moth, verbena bud moth, red swordgrass moth, and American crescent borer

Each wildflower seed packet contains approximately 100 seeds.

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