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Tag: Collin County Calendar

Collin County Chapter – Native Plant Alternatives to Invasives

Our March 5th chapter meeting will include a presentation by Deedy Wright on “I’m Being Invaded! What Can I Do?”. Her talk will define the term “invasive” and discuss reasons for how and why these plants are here, and the damage they do to our environment. In addition, eco-region-specific native “alterNatives” are suggested for some of the more common invasive plants. Our program opens at 6:30, and at 7:00, Rodney Thomas, chapter president, will have a short chapter update, followed by the presentation.

Collin County Master Gardener Show

Be sure to save the dates of March 16 and 17th for the Collin County Master Gardener Show. The annual show is held at Myers Park in McKinney. More information

Blackland Prairie: Catilleja purpurea and Salvia engelmanni. Photo by Don Young

Collin County Chapter – February Meeting

Our presentation will be on “The Blackland Prairie Across Time” by George Diggs, an evolutionary biologist and botany professor at Austin College in Sherman. The Blackland Prairie, one of the

Collin County – January Chapter Meeting

The January 2 Collin County Chapter meeting will be a hybrid meeting. You can attend online or in-person at the Heard Museum in McKinney. Those joining virtually, can connect via

Heard Museum Native Plant Sale

The Heard Museum & Wildlife Sanctuary in McKinney will be hosting its annual Spring Native Plant Sale from April 12th to 14th. We are proud to partner with the Heard Museum

Doug Tallamy Webinar – Aug 23

The Collin County Master Gardeners Association would like to invite you to a FREE webinar to hear the world-famous entomologist and proponent for the benefits of native plants—Dr. Doug Tallamy.

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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