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Blue Flag Iris

Blue Flag Iris

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Regular price $7.99 USD
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Blue Flag Iris blooms several violet-blue flowers with yellow veined sepals. It has a USDA hardiness zone of 3–9. Sturdy stalks support the plant, and sword-like leaves from a basal cluster frame the plants. The shade of violet-blue can vary. A small amount of white may be seen around the yellow veins as well.


Attract Wildlife With Blue Flag Iris


It grows to about two or three feet tall, and the flowers bloom from May through August. Out in nature, it is commonly found in meadows, by streams, by marshes and by swamps. Butterflies and hummingbirds love pollinating the flowers. People who add these plants to their garden like placing them in either partial shade or full sun.

Uses Of Blue Flag Iris


In human history, irises have represented power. The three parts of the flower have stood for wisdom, courage and faith. People have used the flowers for medical purposes in the past. Some tribes also made twine out of the outermost fibers of the leaves.

Another use of the iris plant throughout history is creating powdered iris root. People would add this to perfumes and potpourri because it gives off a violet scent.

Where To Plant Blue Flag Iris


Blue Flag Iris is a marginal aquatic plant, which means that it can sit in standing water up to four inches. They enjoy environments near a water source, such as a pond or lake. Some people like to add this type of plant to their pond area because it assists in water filtration.

The flowers on are typically lighter in color. Western Flag flowers also have a color variation of sky blue and white. The hardiness zones and heights of these two plants are also different from Northern Flag. Southern Flag, hardiness of 5–9, reaches a height of 2–2.5 feet. Western Flag, hardiness of 3–8, is usually 1–1.4 feet tall.

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