Iris virginica, with the common name Southern Blue Flag Iris, Great Blue Flag, Virginia blue flag, Virginia iris, is native to central and eastern North America. It grows up to 0.6-0.9 m (2-3 ft) tall. The flowers, which bloom May to July, are blue to blue-violet and are a standard iris shape. Each flower has 3 drooping sepals, called "falls", that have white marks and yellow near the throat, and 3 upright petals, called "standards". Flowers measure 3-13 cm (1-5 in) across.

Iris virginica is native in the United States from Nebraska to the west, Florida and Texas to the south, New York to the east, and the Canadian border to the north. In Canada, it is native in Ontario and Quebec. It grows in wet areas, sometimes in shallow water, including marshes, wet meadows, swamps, river bottoms, sloughs, ditches, bottomland prairies, edges of sinkhole ponds, and in shallow water.

Type: Hardy perennial

Hardiness zones: 5-9

Seeds per packet: 10