Plant Height: 30 inches
Flower Height: 4 feet
Spacing: 24 inches
Sunlight: 
Hardiness Zone: 2a
Ornamental Features
Blue Flag Iris has masses of beautiful blue flag-like flowers with yellow falls at the ends of the stems in mid spring, which are most effective when planted in groupings. The flowers are excellent for cutting. Its sword-like leaves remain green in color throughout the season. The fruit is not ornamentally significant.