Thompson's Yucca

Yucca thompsoniana

Other common name(s):

Big Bend Yucca, Thompson Yucca, Beaked Yucca, Soyate, Palmita, Trans-Pecos Yucca


Asparagaceae (Asparagus Family)

Plant Ecoregion Distribution Map

Chihuahuan Deserts
Chihuahuan Basins and Playas, Chihuahuan Desert Grasslands, Chihuahuan Montane Woodlands, Low Mountains and Bajadas, Stockton Plateau

Plant Characteristics

Growth Form

Cactus & Succulent





Leaf Retention




Habitat and Care Requirements

Soil Type(s)

Rocky, Dry

Light Requirement


Water Requirement


Native Habitat


Bloom and Attraction

Bloom Color


Bloom Season


Seasonal Interest

Nectar, Flowers

Wildlife Benefit

Hummingbirds, Moths


Drought tolerant. Native to the mountains of the Trans Pecos. Slow growing. Makes a good evergreen screen. If you don’t like the height, cut it off at ground level, and it will leaf out at the base again. Hard to transplant due to deep, heavy tap roots. Adapts to any soil. In tests this plant could withstand record cold and torrential rains. Propagation: Seed, Root cuttings, Offsets transplant.


Blooms April-May. The trunk is usually unbranched. The leaves are narrow and stiff and grow in a radiating mass near the top. Aging shaggy, brown leaves hang down blanketing the trunk. The 2-3 ft. flowering stalk holds a dense panicle of white flowers slightly above the foliage.
Previous Scientific Name(s): Synonym/s: Yucca rostrata, Yucca rostrata var. linearis


1) 2) 3) Griffith, Bryce, Omernick & Rodgers (2007). Ecoregions of Texas. 4) Wasowski, Sally and Wasowski, Andy, Native Texas Plants, Landscaping Region by Region, 1988, 1991, pg 265. 5), Miller, George O., Landscaping with Native Plants of Texas 2nd Ed., 2013, pg 48. 6), 7)
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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