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Collin County Chapter – Healthy Habitat: The Hidden Plants and Insects at Texas Discovery Gardens

July 2 @ 6:30 pm 8:30 pm

The grasses, trees, forbs, and shrubs at the Texas Discovery Gardens, a seven-acre garden in Dallas’ Fair Park, are managed with ecology in mind. This habitat supports a great diversity of beetles, bugs, and botanical growth. Join us to learn more about these “critters” and the plants they need to survive.

Our program opens at 6:30 with social time and testing of connections, then at 7:00, Rodney Thomas, our chapter president, will have a short chapter update, followed by Kerry’s presentation. The meeting will conclude with a Q&A session.
You can attend the hybrid meeting in person at the Heard Museum in McKinney (link below) or online via Zoom –

Meeting ID: 885 5459 6572 ; Passcode: 571904

No Registration Required

Texas Discovery Gardens

Kerry Gray-Harrison was the Horticulture Director at Texas Discovery Gardens. Located in Dallas’ historic Fair Park, Texas Discovery Gardens is a year-round urban oasis maintained with environmentally-friendly methods and filled with natural discoveries. She holds a master of landscape architecture from the University of Texas at Arlington, a master of science in botany from the University of Maine at Orono, and enjoys propagating native Texas plants.

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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