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Growing Info

Scarification: Soak in water, let stand in water for 24 hours

Stratification: cold stratify for 30-60 days

Germination: sow seed 1/8" deep, tamp the soil, mulch the seed bed

Native to: Canada, Canada (Prairie provinces), United States, USA (Rocky Mountains and western states)

Native

Introduced

Iris missouriensisIris missouriensis

Rocky Mountain Iris, Western Blue Flag, Wild Blue Iris

In Stock: 0.164 lb (Total:0.164lb)

Iris missouriensis

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0.16 lb MT

Details

Germination:

98%

Germination test:

Cut (Full Seed)

Purity:

99%

Seeds per lb:

25,831

Quantity:

0.16 lb

Collected in:

Montana

Crop year:

2021

Min. hardiness zone:

Item ID:

1829812

Characteristics

Growing Info

Scarification: Soak in water, let stand in water for 24 hours

Stratification: cold stratify for 30-60 days

Germination: sow seed 1/8" deep, tamp the soil, mulch the seed bed

Native to: Canada, Canada (Prairie provinces), United States, USA (Rocky Mountains and western states)

Native

Introduced

Discover the charm of Rocky Mountain Iris, commonly known as Western Blue Flag (Iris missouriensis), an exquisite perennial gracing gardens with its slender stems and mesmerizing flowers. Marked by variegated violet-blue blossoms, often exhibiting white or yellowish veins, this beardless iris captivates with 1-2 feet tall graceful blooms from May to June. Endemic to the western and central regions of North America, from the low valleys to alpine elevations up to 9000 feet, it thrives in varying conditions—from wet meadows and marshy areas to drier soils, provided there's moisture until the flowering period concludes.

With excellent adaptability, Western Blue Flag flourishes in full sun to partial shade and is drought-tolerant once established, though it demands consistent moisture in the spring for optimal blooming. This hardy iris, deer-resistant and accommodating wet soils, is a remarkable choice for naturalizing in perennial beds, borders, or foundations. Despite its delicate allure, it's robust against pests and diseases, especially if preventive measures against iris borers are taken.

Culturally significant, its rhizomes were historically used superficially for medical applications, while its fibers were woven into fishing nets and ropes. Let this iris transform your space into a vibrant homage to natural beauty, as it evokes the rainbow elegance for which it is named. Elevate your garden with the resilient, adaptable, and stunning Western Blue Flag Iris.