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Native Plant Society of Texas

San Antonio Chapter

Attend Chapter Meetings

Chapter Meetings are Held at the Urban Ecology Center at Phil Hardberger Park and Via Zoom

Meeting Time
Log in at 6:45 if attending via Zoom
7:00 pm – Meeting and program

Our chapter meets on the 4th Tuesday of every month in The Gathering Hall at The Urban Ecology Center at Phil Hardberger Park and via Zoom except August, November, and December. The meetings are free and open to members and the general public. To get information by email on how to register in advance for each monthly meeting, please subscribe to the NPSOT Mailing list.

Chapter Meeting Presentations

Rain Garden

San Antonio Chapter Meeting June 2026

June 23, 2026: Presentation by Jeanie Hernandez, Quality Assurance Specialist II with the San Antonio River Authority. Slow Down Burden, Spread Out Teamwork, Sink In Impact.

Bulverde Oaks Nature Preserve

San Antonio Chapter Meeting September 2025

September 2025 Presentation by Cleveland Powell, Brad Weir, Juan Soulas Conservation Planners at SAWSCultivating Water Savings with Native Plants, A Retrospective of SAWS Conservation When it comes to saving water

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About the Region

2026 Fall Symposium Logo

This low-elevations region of Texas extends inland from the barrier islands, about 60 or so miles, and stretches from Brownsville to Louisiana. In total, it covers about 9.5 million acres, with a high point of 150 feet in elevation. More than 1000 species of plants can be found in this region. On the southern end, species more common in Mexico (such as Sabal mexicana) and Central America occur.

The barrier islands provide us with dune systems, and clay flats to the inland side, which have species found in these areas alone. Many plants here, such as Ipomoea pes-caprae (beach morning glory), can be found throughout tropical regions of the globe. I’ve encountered the same species on the beaches of Guam.

Once inland, vast marshes and wet prairies occur. Occasionally, oak (Quercus fusiformis) groves can be found. Common grasses include species of Bothriochloa, Paspalum, and Sporobolus; eastern gamagrass (Tripsacum dactyloides); and switchgrass (Panicum species). Many rivers and creeks cut through the Gulf Prairies, and along these riparian areas various species of trees, Sabal minor, and other plants adapted to clay soils can be found. Due to overgrazing, farming, and fire suppression, woody species such as mesquite (Prosopis glandulosa) and huisache (Acacia farnesiana), and invasive species such as chinaberry (Melia azedarach), Brazilian pepper (Schinus terebinthifolius), and Chinese tallow (Sapium sebiferum) have increased and displaced our native flora.

Source: Wildflowers of Texas by Michael Eason