Native Plant Trust

Iris versicolor

blue flag iris

This tall, wet-loving plant does well wherever soil does not dry out, and can be great when used for contrast against plants with less linear leaf structures. Make sure to clear away dead leaves in fall to stave off attacks by iris borer caterpillars.

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Height: 12-36 in
Spread: 24-36 in
Hardiness Zone: 4-9

Characteristics & Attributes

Cultivation Status
Part Shade
Soil Moisture
(58) Northeastern Highlands
(83) Eastern Great Lakes Lowlands
(59) Northeastern Coastal Zone
(84) Atlantic Coastal Pine Barrens
(82) Acadian Plains and Hills
Ornamental Interest
Summer Bloom
Attracts Wildlife
Other Pollinators/Wildlife
Host Plant
Attracts Bees

North American Distribution