Species Iris Group of North America

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Iris laevigata

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

Botanical Synonyms:



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

Common Names:


Chromosome Count:

2n=32 according to the SIGNA Checklist of Iris Species. (D. Kramb, 25-SEP-04)

General Description:

30"-36" (76-160cm) tall, with blue-purple or white flowers, with white signal (D. Kramb, 09-NOV-03)

In wild forms the usual flower color range is from light to deep blue-violet, but occasionally is reddish or white with pale color tracings on the style arms. (D. Kramb, 15-JAN-06)

Distinguishing Features:

This species has near-white hafts from which lines extend over the falls. (D. Kramb, 15-JAN-06)

Preferred Habitat:

It grows in swamps or alongside streams and flowers in April and May, but in the highlands and in north it blooms in June or July. (D. Kramb, 15-JAN-06)



Native Range:

Eastern Asia, Japan (D. Kramb, 09-NOV-03)

In Japan it can be found on northern Honshu and is abundant on Hokkaido, but is rare in other part of Japan. (D. Kramb, 15-JAN-06)

Status in the Wild:


Commercial Availability:


Sources Cited:

Info entered on 15-JAN-06 comes from a Japanese website with the address http://www.kamoltd.co.jp/kyokai/English/wild_iris.html (D. Kramb, 15-JAN-06)

Additional Comments:


Where to buy it:

Ensata Gardens

Iris City Gardens

SIGNA member!

Joy Creek Nursery

Nicholls Gardens

Pacific Rim Native Plant Nursery

SIGNA member!

Plant Delights Nursery

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