Iris Blue Flag

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Latin Name: Iris virginica; Iris versicolor Height: 1 - 3 feet Spread: 1 - 3 feet Sunlight: Full Sun; Part Sun; Part Shade Bloom Time: May to June Hardiness Zone: 3-9 Description: 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. Deadhead flower stalks and cut back foliage as needed. When needed, divide in late summer when not in bloom. Attracts: Bees; Hummingbirds Other Names: Blueflag Iris; Northern Blue Flag; Large Blue Iris; Harlequin Blueflag Show more