Iris pseudata 'Cascadian Snow'

'Cascadian Snow' is a heavily blooming pseudata Iris with white flowers with yellow signals and a purple halo. 

These hybrid Irises are best grown in full sun or part shade in wet conditions. They thrive in water or bog-like sites, but are also happy to grow in a regular garden bed so long as they are given LOTS of moisture. 

Mature size: 2-3 ft T x 1-2 ft W, clumping

Minimum temperature: -30° F