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Seed Saving for Native Plants – Williamson County Chapter Meeting, Sept 14

September 14 @ 7:00 pm - 8:30 pm

September 14, 2023 @ 7:00 pm 8:30 pm

Join NPSOT-Williamson County on Thursday, September 14, 2023, when our featured topic will be Seed Saving for Native Plants with Colleen Dieter.  Free and open to the public. The meeting begins at 7:00 PM.  Our guest speaker’s presentation begins after a short business meeting.

About our topic: Who, what, when, where, why and HOW to save seeds from native plants. Central Texas Seed Savers is a growing network of people who love seeds. The mission? “Preventing the extinction of culturally, ecologically and culinarily important plants.”

About our speaker: Colleen Dieter is a landscape consultant at As a top gardening educator, she is often asked to speak to audiences about native Texas planting. Her speaking appearances include Ladybird Johnson Wildflower Center, TreeFolks, Central Texas Seed Savers, Williamson County Master Gardeners and the Natural Gardener. She is an International Society of Arboriculture Certified Arborist and earned a Certificate in Fruit Tree Care from She offers her expertise on The Horticulture Hangover call-in radio show every Saturday morning from 8-9 AM on KLBJ. Colleen co-hosts the Horticulturati podcast, available wherever you listen to podcasts, with her friend and landscape designer, Leah Churner. She is a founder of Central Texas Seed Savers, an organization dedicated to preventing extinction by sharing local seeds. She is also the creator of “Let’s Care for Texas Plants”, a guide to maintaining local landscapes.

NOTE: this month’s in-person location is Georgetown Parks & Rec Administration Building, 1101 N College St, Georgetown, Texas 78626. (If you attend in person, you are giving consent to possibly be videoed for Zoom and YouTube (if the meeting is to be posted on YouTube.))

The original meeting announcement is here on the Williamson County Chapter’s blog page.

(If you missed this event and would like to see if we have a recording, check NPSOT-Williamson County’s YouTube channel.)

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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