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Native Plant Society of Texas

Dallas Chapter

24th Annual Trout Lily Walk at Spring Creek Forest Preserve

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Join the SCFP conservation group on Saturday, February 25, any time between 10:00 a.m. and noon. When you arrive, volunteers at the pavilion will welcome you and give you introductory information. Then, we will send you along the clearly marked trail to the Trout lily field. Tom Frey, our adviser, mentor, and friend who is leading the event for the 24th year, will be at the Trout lily field. After you have seen the lilies and talked to Tom, you will walk along to the next marked spot, where we will have another knowledgeable naturalist that will tell you about the significance of that area of the Preserve. The volunteer naturalists will be at several stations along the trail in the Preserve from 10:00 until the last walkers go through.

1770 Holford Road, Garland

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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