Sharons Florida

Iris virginica
(Blueflag Iris)

Iris virginica blueflag iris
Blue Flag Iris (Iris virginica)

Common Names, Latin Name and Family

Common names include blue flag iris, southern blue flag, Virginia blueflag, Virginia iris, and great blue flag.

Its Latin name is Iris virginica.

It is found in the Iridaceae, or iris, family. 

Form

A perennial wildflower that grows to 2 feet in height.

Leaves

Blueflag iris leaves are long and sword shaped.

blueflag iris Iris virginica leaves
blueflag iris leaves

Flowers

The blue flowers appear in the spring and summer.

blueflag iris Iris virginica flower
blueflag iris flower

Fruit / Seeds

Once the flowers are pollinated the seeds start to form and a large pod begins to grow.  Inside the pod are chambers that hold the seeds.

Ripe seeds, and pods, are brown when they are ready to be harvested.

Habitat

It is found growing in marshes, wet pinelands, swamps and wet meadows.

Native Range

In Florida blueflag iris is found naturally occurring from Citrus County northward.

It is native to the following states: AL, AR, DC, FL, GA, IA, IL, IN, KS, KY, LA, MD, MI, MN, MO, MS, NC, NE, NJ, NY, OH, OK, PA, SC, TN, TX, VA, WI, and WV.

It grows in zones 3a to 9a.

Landscape Use

It is grown in full sun to part shade with average to wet soils.

blueflag iris (Iris virginica) in the landscape
blueflag iris in the landscape planted near a stream

Wildlife Use

Bees and beetles use the flowers as a nectar and pollen source. 

scarab beetle on a blue flag iris flower
scarab beetle on a blue flag iris flower

Propagation

It can be grown from seeds, transplanting plants and dividing mature clumps.

When transplanting specimens remember to remove flowers and seeds so the plant can focus its energy on recovering from the move and making new roots.  Keep watered until you see new growth.

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