Iris giganticaerulea (giant blue Iris)

General info: Iris giganticaerulea, commonly call giant blue Iris, is a North American native perennial that thrives in wet soils in full sun to part shade. This native Louisiana Iris is one of the largest and has the largest bloom. It can reach heights up to six feet tall. Which is where it gets its common name giant blue Iris from. Typically, this species is found growing in freshwater marshes, bogs, and ditches. However, it can take some brackish water. Giant blue Iris will grow from seed and spreads by rhizomes.

Landscape uses: Iris giganticaerulea is a striking native Iris known for its large blooms and height. Giant blue Iris’s blooms are purple to blue indigo with white and yellow marks near the center of the petals. Plant this species in any rain garden to add a bright pop of color. With its height it will also give lots of structure to the edges of pond planting.