Fact sheet: Blue flag iris

Iris virginica

Blue flag is an emersed plant. These elegant natives are medium size plants, growing to four feet tall. They grow from stout underground rhizomes, and occasionally occur in swamps and marshes from the northern and central peninsula west to the central panhandle. There are seven Iris species that occur in Florida (Wunderlin,2003). Blue flag is prevalent throughout the eastern half of the U.S. and Canada (Kartesz, 1999).

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. The leaves are pointed and flattened. They arise fan-like from a single base.

Fact sheet: Blue Flag Iris

Sold at Nassau County Master Gardener Plant Sale

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Posted: May 30, 2017


Category: Florida-Friendly Landscaping, Home Landscapes
Tags: Blue Eyed Grass, Iris Virginica, Plant Sale


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