2023年10月5日 · Gardening expert Madison Moulton examines the best ways to plant, grow, and care for the Southern Blue Flag. Nestled the balmy heat of the Southeastern United States, from Virginia to Louisiana and into Texas, sits Iris Virginica – a delicate herbaceous perennial.

Southern blue flag iris is a lovely, delicate iris native to the United States and Canada, from the east coast to the middle states as far west as Texas. The genus name Iris is named after the Greek Goddess of rainbows and the species name refers to the state of Virginia where it is found.

This adaptable iris has fragrant, blue violet flowers with falls crested in yellow and white. Narrow, bright green leaves often lie on the ground in late fall and winter. Grows well in poorly drained clay soil.

Iris virginica, with the common name Virginia blueflag, [2] Virginia iris, great blue flag, or southern blue flag, [4] is a perennial species of flowering plant in the Iridaceae (iris) family, native to central and eastern North America.

A southern wetland species, Iris virginica (Southern Blue Flag) is a rhizomatous perennial forming a dense and impressive clump of sword-shaped, bright green leaves that often lie on the ground or water.

The southern blue flag iris occurs from Virginia, south to Florida, and west to eastern Texas. This view of Iris virginica var. virginica shows the typical veination and yellow signal that makes up the nectar guide for pollinators visiting each flower.

Iris virginica, commonly called Southern blue flag, is a wetland species of iris which is native primarily to coastal plains from Virginia to Louisiana. It typically grows to 2' tall (less frequently to 3') and features non-fragrant violet-blue flowers with falls that are crested with yellow and white.

Iris virginica var. shrevei, Southern Blue Flag Iris, usually grows in large patches that expand outward from rhizomes. It is 2’-3’ high with the leaves on the flower stem growing slightly taller than the flower.

The wetland species of Southern Blue Flag* and its close relative, Northern Blue Flag (Iris versicolor),** grow in fresh to mildly brackish tidal marshes and wet meadows of the Mid-Atlantic, but the former is mostly found from Virginia southward to Florida.

2022年7月18日 · The Southern blue flag iris usually blooms from late spring through early summer. During the warm months, tall stems will rise from the clumps and each show up with two or three beautiful, slightly fragrant blooms. Each Southern blue flag iris can have 2 to 6 blossoms once every year.