Iris versicolor (northern blue flag)

 

General info: Iris versicolor, commonly called northern blue flag, is a North American native perennial that grows best in two to four inches of standing water in full sun to partial shade. This iris is clump forming and native to marshes, swamps, and shorelines. This species does not have to be planted in standing water. It can also adapt to more of a garden setting if kept moist. These beautiful perennials have bright green sword like foliage that stays attractive almost all year long. They produce a taller stalk with a singular large open bloom on top.

Landscape uses: Iris versicolor is a very attractive and versatile native. It prefers moist environments. Making it an excellent choice for planting in groups along a body of water.

Light Exposure Full Sun to Partial Shade
Growth Cycle Select
Height with Bloom 2 to 2.5′
Foliage Color. Green
Moisture Req. Medium to Wet
Bloom Purple
Origin Northeastern U.S
Height without Bloom Select
Zone 3 to 9