Iris hexagona, commonly called Louisiana blue flag, is a North American native herbaceous perennial that grows best in moist to wet soil in full sun. This Iris can reach heights up to 3 to 4 feet tall.

Iris hexagona (Louisiana blue flag)

Iris hexagona (Louisiana blue flag)

General info: Iris hexagona, commonly called Louisiana blue flag, is a North American native herbaceous perennial that grows best in moist to wet soil in full sun. This Iris can reach heights up to 3 to 4 feet tall. Hexagona prefers full sun but can tolerate some shade.

Landscape uses: Iris hexagona can grow in a couple inches of standing water. This species would be great to use in low areas that collect water. This beautiful Iris would be a wonderful addition to the edge of a pond or streambank. You could also use this perennial in a water or bog garden.

Light Exposure Sun – Part Shade
Growth Cycle Select
Height with Bloom 3′
Foliage Color. Green
Moisture Req. Dry to Medium, OBL
Bloom Purplish Blue
Origin Coastal Regions
Height without Bloom Select
Zone 3 to 9