Rocky Mountain Iris is known for its beautiful light blue flowers with purple lines. It is a rhizomatous perennial that grows 20 to 40 cm high. It has linear basal leaves that are similar in height to the flowering stems. It produces 1-4 flowers, the sepals are light to dark blue and surround the smaller upright blue petals.

Iris missouriensis is widely cultivated in temperate regions. It is a perennial plant that can grow in a variety of soil types, including sandy and loamy soils. It prefers acidic, neutral, or alkaline soils and can tolerate semi-shade or no shade. The plant requires moist or wet soil to thrive. It is in flower from May to June and is pollinated by insects.

Type: Hardy perennial

Location: Sun or part shade

Hardiness zones: 3-8

Seeds per packet: 50