Organization: Fredericksburg

President’s Newsletter – May

Upcoming member field trips; introducing Robert Edmonson, our May speaker; and encouragement. “Work on acreage property is never ending . . .Your time, money and energy are finite. Seek balance


March 2023 “Plant Natives” newsletter

Spring is on its way: Agarita blossoms, and green buds on everything. Plant sale on its way. Get ready for the seed stomp at Cross Mountain Park. March “Plant Natives”


Enchanted Rock ~ 02.28.2023

Eighteen miles north of Fredericksburg the tip of a pink granite batholith, – 1.1 billion years old – rises above the much younger limestone layers of the Edwards Plateau.Enchanted Rock


Let’s start with the immediate question. “What are invasive plants?”   And then follow with why be concerned and what we need to  look for. The term “invasive” describes alien

Echoes from the Past

Every organization should have an attic, a treasure trove! We are growing – from a  handful of members interested in preserving the natural ecosystem of  Edwards Plateau to over 300

Past Chapter Presentations

Welcome to a record of the presentations made to our chapter.  Presenting  our history and philosophy is a growing process. Each link will take you to the overview of that

About Our Chapter

Board meetings: Official board meetings are held on the third Tuesday of the month. Members are welcome. If you are interested, please contact any board member for the site for


Esperanza, also known as “yellow bells” and “yellow trumpet,” is a native shrub with a tropical feel. This is a N.I.C.E. Spring plant for 2024 and a Texas Super Star.

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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