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Little bluestem grows to become an upright, roundish mound of soft, bluish-green or grayish-green blades in May and June that is about two to three feet high. In July, it initiates flowering stalks, which reach four to five feet in height. In fall, it displays a coppery or mostly orange color with tints of red or purple. Sometimes it displays in some places, as in sandy soils, a redder fall color. It becomes a more orangish-bronze in winter until early spring, when it becomes more tan.
Little bluestem stems tiller within individual plants. Each tiller hierarchy is separated by age, starting from the youngest in the middle pushing the oldest tillers out to the periphery.[2]
It is recommended for USDA zones 3 to 10.
The plant grows best in full sun and on well-drained soils. It can be dug up and divided in spring, as many other perennials, for propagation or to reduce the size of an old, big plant. It can be burned in late winter or early spring in a prairie or meadow before new growth, like many American prairie grasses (big bluestem, Indian-grass, and switchgrass), which burn quickly and cleanly.
Cultivars
A number of cultivars have been developed. 'Carousel' is a compact form with especially good fall color developed by Chicagoland Grows. 'The Blues' is a selection that has bluer foliage. 'Standing Ovation' is a tight, upright form with bluer and thicker blades and sturdier stems.[3]
One variety, var. littorale, is native to the eastern and southern coastal strip of the United States, as well as the shores of the Great Lakes. It is adapted to sand dune habitat, and is sometimes considered a separate species, S. littorale.[4][5]
Schillo, Rebecca (2011). Nina Cummings (ed.). Native Landscaping Takes Root in Chicago. p. 13.
The Xerces Society (2016), Gardening for Butterflies: How You Can Attract and Protect Beautiful, Beneficial Insects, Timber Press.