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Hill Country Geology, Explained

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August 16, 2016 @ 6:30 pm
GVTC Auditorium
36101 FM3159
New Braunfels, TX 78132
Hill Country Geology, Explained @ GVTC Auditorium | New Braunfels | Texas | United States

Lindheimer Chapter (Comal County) of the Native Plant Society meets 6:30 p.m.the third Tuesday of each month. Members of the public are welcome to attend.

This month’s speaker is Jim McCullough, a geologist and Master Naturalist from New Braunfels, speaking on Hill Country Geology.

The Native Plant Society of Texas wants to preserve the state’s rich heritage for future generations. NPSOT is a non-profit organization run by volunteers who work to promote native plant appreciation, research, and conservation through local chapters around the state.

John Siemssen reports: “This month’s Butterly Garden Plant, Inland Sea Oats, is a clump forming, warm season grass that grows two- to four-inches tall. Its most notable feature is the drooping oat-like seed heads that start out green in late spring and gradually turn light tan and then brown in mid to late summer. These are enjoyed by some small mammals and seed eating birds, and were occasionally used for food by some Native Americans.

Inland Sea Oats is one of the few native grasses that will thrive in a shady location. In fact, it will turn yellow and burn if it gets too much sun, especially if it doesn’t get enough moisture. In full shade it is relatively drought tolerant. When planted in a moist location, it will tend to spread aggressively from its seeds. This makes it useful for stabilizing shady stream banks. In drier locations it is more likely to stay contained.

The attractive seed heads make this grass a useful landscape plant, where it can be combined with other shade loving plants such as Turks Cap, Tropical Sage and Pigeon Berry. The leaves turn brown and gray in late winter so it is best to cut it back in February. New green shoots will quickly emerge for a new season of growth. Seed heads are attractive in dried floral arrangements. Deer tend to leave it alone. There have been recent attempts to rename it Broadleaf Woodoats, but it still is commonly listed by its traditional name.

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