Dec 29, 2022 · Flag irises are very hardy perennial plants that survive with minimal care and generally bloom in the spring and early summer. Flag irises are most often found in wet, low-lying areas and are suitable for similar conditions in the home garden. There are many varieties of flag irises, including dwarf and tall types.

The Blue Flag Irises occur throughout the United States, from Iris setosa in Alaska, to Iris missouriensis throughout the western states, to Iris versicolor and Iris virginica throughout the eastern states, and Iris tridentata in the southeastern states. Their conspicuous pale blue to deep blue-violet flower coloration characterizes them.

Iris versicolor or Iris versicolour is also commonly known as the blue flag, harlequin blueflag, larger blue flag, northern blue flag, [2] and poison flag, plus other variations of these names, [3] [4] and in Great Britain and Ireland as purple iris.

BLUE FLAG Iris versicolor L. Plant Symbol = IRVE2 Contributed by: USDA NRCS Plant Materials Program Uses This species is primarily utilized for its brightly colored floral display. The root mass of established colonies provides good shoreline protection. Although the …

General: Iris Family (Iridaceae). Western blue flag is a perennial herb, usually evergreen and growing from a creeping, tuberous rhizome. Rhizomes on blue flag are between 20-30 mm in diameter, quite large for a native iris. The leaves are long and linear with parallel venation, 3-9 mm wide, and sometimes purplish. Stems are 2-5 dm and ...

Oct 15, 2024 · The native blue flag iris of the west is Rocky Mountain iris (Iris missouriensis), which ranges from Minnesota and Nebraska west into the Rockies and to the coast. In Alaska, parts of Canada, and Maine Iris setosa, with inner petals reduced to just bristles, thrive.

Iris versicolor, or Blue Flag Iris, grows to form nice patches of deep blue flowers and is excellent for naturalizing around ponds, lakeshores, and low, wet areas

Jan 16, 2023 · Flag iris includes blue flag (I. versicolor), commonly found in boggy areas and swamps of the northeastern United States, and yellow flag (I. pseudacorus), which is native to Europe but now found in temperate climates around the world. Both are types of beardless iris.

May 30, 2017 · Blue flag’s large flowers make it almost unmistakable. They are pale blue to purple flowers and are the only large irises growing wild in Florida. Their leaves are narrow and swordlike, and up to 2 1/2 feet long.

Free-flowering and most attractive, Iris versicolor 'Party Line' (Blue Flag) is a rhizomatous perennial forming a clump of lance-shaped, blue-green leaves.