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Little Bluestem

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Little Bluestem, Schizachyrium scoparium, is one of the three dominant species that make up our tall and short grass prairies. It can be found from Canada to Mexico and from the east coast to the west coast.

The height will vary from one foot up to three or four feet, depending on the soil and rainfall it received. I recently observed the grass in our local school rain garden and it was five feet tall and falling over. Junction receives an average of 17-23 inches of rain a year, and it definitely had not been a wet year, but the design of the garden had held the moisture, letting the Little Bluestem and the other natives there grow larger.

Photo courtesy Native American Seed
Photo courtesy Native American Seed

Little Bluestem is suitable for any area. As well as being a foundation species for both the tall and short grass prairies, it is also beautiful in commercial and suburban landscapes. It is a major component in any native restoration mix because of its easy establishment and its ability to grow in almost any soil type.

One characteristic that makes Little Bluestem a favorite for prairie restoration is its proven establishment rate on thin, infertile, highly erodible soils.

Like all natives it does not like additional fertilizers and does not need pesticides as it doesn’t have any pests. Although Little Bluestem is tolerant of a wide range of soils, it will not tolerate wetlands or sub-irrigated sites.

Little Bluestem is ideal for landscaping because it is a medium-sized clumping grass that grows readily from seed. It is a lovely blue-grey color in spring through the summer. During the late summer and early fall, the seeds begin to mature, becoming white and fuzzy. By late fall and early winter the grass is unmistakable — rich bronze-colored stems sporting their white, fuzzy heads.

For the agricultural producer, young Little Bluestem provides excellent forage for grazers; however, when the grass begins to mature, most livestock will find it unpalatable, especially if anything better can be found. It also will make an excellent hay crop.

For property owners with a wildlife valuation, Little Bluestem will qualify for food and habitat. The seeds are nutritious to birds — the lesser goldfinch loves it. Quail and dove as well as other mammals use the grass for cover from flying predators such as hawks and owls and as nesting material.

Since Little Bluestem is such a popular and necessary restoration, forage and landscape species, much time and money has been spent in developing different cultivars and improved selections.

However, a note of caution about the process of developing the cultivars and improved selections needs to be sounded. It has bred out of Little Bluestem the ability to adapt to changing environmental conditions. If this adaptability is important to landowners, then using native varieties might be the best idea.

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**ARCHIVED POST AUTHOR: znobia

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About the Region

New Braunfels, the location of our Fall 2024 Symposium, straddles both the Edwards Plateau Ecoregion and the Blackland Prairie ecoregion. Interstate 35 divides the city of New Braunfels; its path through the city closely parallels the boundary of these two ecoregions, with the Edwards Plateau on the west side and the Blackland Prairies region to the east. The Edwards Plateau area is also called the Hill Country; however, this general term covers a much larger area extending farther north. Spring-fed creeks are found throughout the region; deep limestone canyons, rivers, and lakes (reservoirs) are common. Ashe juniper is perhaps the most common woody species found throughout the region. Additional woody species include various species of oak, with live oak (Quercus fusiformis) being the most common. Sycamores (Platanus occidentalis) and bald cypress (Taxodium distichum) border waterways. This area is well known for its spring wildflower displays, though they may be viewed in spring, late summer, and fall, as well. According to Texas Parks and Wildlife, average annual rainfall in the Edwards Plateau ranges from 15 to 34 inches.

The Blackland Prairie extends from the Red River south to San Antonio, bordered on the west by the Edwards Plateau and the Cross Timbers, and on the east by the Post Oak Savannah. Annual rainfall averages 30 to 40 inches, with higher averages to the east. This region is dominated by prairie species. The most common grass species include little bluestem (Schizachyrium scoparium) and Indian grass (Sorghastrum nutans) in the uplands and switchgrass (Panicum virgatum) in the riparian areas and drainages. Common herbaceous flowering plants include salvias, penstemons, and silphiums. This area has suffered greatly from overgrazing and agricultural use. Few intact areas remain, though many of the plants can be found along county roadsides throughout the region.

Our four host chapters (New Braunfels, Lindheimer, Guadalupe, and the Hill Country chapters) are located in one or both of the ecoregions above. However, the eastern portion of Guadalupe County also falls within the Post Oak Savanna ecoregion. Annual rainfall averages 35 to 45 inches, with higher averages to the east. A wide variety of hardwood trees are found, including several species of oaks, elms, and in the Bastrop area, loblolly pine (Pinus taeda). Grasses and forbs dominate in the open savannas, with most common grass being little bluestem. Ranching, agriculture, and fire suppression have allowed woody species to encroach on the once-open savannas.

Source: Wildflowers of Texas by Michael Eason