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Clear Lake Chapter

Texas Grasses

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When choosing plants for your garden, don’t overlook Texas’ native grasses. Not only are they ecologically important, they can also provide texture and stunning fall color to your garden. You can find the following grasses at our spring plant sale on March 26, 2022.

Close up of Silver Bluestem inflorescence
Lane Chaffin, public domain, iNaturalist

Silver Bluestem – Bothriochloa laguroides
⁠Clumping grass with silky flower puffs on vertical stems. Foliage of this plant is 12 to 18 inches high and the erect flower spike grows 2-3 feet above the foliage. As fall progresses, the leaves turn from red to purple or burnt orange. This color is held deep into winter. This plant can be used as an accent or in a prairie or meadow. Plant in well drained soil in full sun. Can take some shade but will flop over in too much shade. This plant is drought tolerant but can take some water.

Little Bluestem illuminated by a setting sun
Craig Martin, public domain, iNaturalist

Little Bluestem – Schizachryum scoparium
An ornamental bunchgrass with fine-textured foliage that forms very dense mounds 18 to 24 inches tall. Slender blue-green stems reach 3 feet by September, and become radiant mahogany-red with white, shining seed tufts in the fall. Color remains nearly all winter. Perennial clumps grow up to a foot in diameter.

Close up of Virginia Wildrye seed heads
Reuven Martin, public domain, iNaturalist

Virginia Wildrye – Elymus virginicus
This grass prefers full sun to light shade, moist conditions, and a fertile soil containing loam or clay-loam. Plants that grow in sunlight tend to be more robust and a lighter shade of green than those that grow in shade. This grass is easy to cultivate if it receives enough moisture. Larval host to most branded skippers and satyrs, attracts birds and animal grazing.

The nodding panicles of Inland Sea Oats glow in the sunlight
Nate Abbott, Canva Pro

Inland Sea Oats – Chasmanthium latifolium
A low maintenance, 2 feet tall shade-part shade grass. It likes moist soil and can tolerate periodic inundation. It reseeds freely and can cover an area in several years . It is bright green in spring, producing bright green seed heads, which turn brown in the fall/winter. Shear back to basal rosette in early spring. Birds eat ripe seeds and stems and leaves are used for nesting material.

Brownseed Paspalum
Larry Allain, United States Geological Survey

Brownseed Paspalum – Paspalum plicatulum
This perennial grass has thick stems which can exceed 3 ft in height. The leaf blades are up to 14 in long. The inflorescence is a panicle with up to 7 branches. This grass grows in disturbed areas as well as prairies and forests. The seeds provide food for birds.

Fringed Windmill Grass
Cleveland Powell, CC BY 4.0, iNaturalist

Fringed Windmill Grass – Chloris ciliata
This warm-season grass grows between 6 and 18 inches tall. The flower heads are 3 to 7 inches across and start out reddish but mature to a beige or brown color. The plant is dormant in winter. Dried stems provide important forage for birds and other animals in winter. Requires full to partial sun. Propagation is by division. Good for erosion control.

Gulf Muhly
Debbie Bush, Environmental Institute of Houston

Gulf Muhly – Muhlenbergia capillaris
Gulf muhly is a perennial grass that grows 1.5 to 3 feet tall. The grass has a large, airy, much-branched seed head that is up to half as long as the entire plant. The spikelets are purple. In fall the plant takes on a feathery, deep pink hue, creating a stunning pink to lavender floral display.

Knotroot Bristlegrass
Debbie Bush, Environmental Institute of Houston

Knotroot Bristlegrass – Setaria parviflora
A native perennial bunchgrass , which grows in full sun or partial shade, 2 to 3 feet in height, blooming most of the year. It prefers moist, clay areas but tolerates periods of dryness. With good conditions it may reseed vigorously. May provide seeds for birds.

To learn more about our spring plant sale, see our Native Plant Sale post.

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**ARCHIVED POST AUTHOR: debbiebush

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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