Species Iris Group of North America

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Iris missouriensis

Botanical Name: Iris missouriensis (added by D. Kramb, 09-NOV-03)

Botanical Synonyms:

Iris tolmieana (D. Kramb, 29-SEP-04)


Longipetalae (D. Kramb, 09-NOV-03)

Common Names:


Chromosome Count:

2n=38 (D. Kramb, 29-SEP-04)

General Description:

24" (60cm) tall, with blue or lavender flowers veined on white ground with yellow signal (D. Kramb, 09-NOV-03)

Grows to 24" tall. Flowers are blue or lavender. Falls have a white ground, or nearly solid with a peacock's eye signal and raised mid-line ridge flanked in yellow. (D. Kramb, 29-SEP-04)

Distinguishing Features:

Leaves are thin with extremely tough fibers running from tip to base. (C. Hensler, 13-NOV-03 )

Preferred Habitat:

Poor soil at the edge of small ponds. Full sun. (C. Hensler, 13-NOV-03 )


Estimated Zone 3-9 (D. Kramb, 09-NOV-03)

Can withstand quite a bit of drought and heat once established. (C. Hensler, 13-NOV-03 )

Native Range:

Western North America, Canada to Mexico (D. Kramb, 09-NOV-03)

Status in the Wild:


Commercial Availability:

Specialty (C. Hensler, 13-NOV-03 )

Sources Cited:

SIGNA seed exchange, The Rock Garden (C. Hensler, 13-NOV-03 )

Info entered on 29-SEP-04 comes from the SIGNA Checklist of Iris Species. (D. Kramb, 29-SEP-04)

Additional Comments:


Where to buy it:

Durio Nursery

Fraser's Thimble Farms

Pacific Rim Native Plant Nursery

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