“Composting!” 9 a.m. Saturday. Forrest Arnold discusses various aspects of composting, including how to start. The Natural Gardener, 8648 Old Bee Cave Road. Free. 512-288-6113, www.naturalgardeneraustin.com.
Bamboo grove grooming workshop. 10 a.m. to 1 p.m. Saturday. Bring hand clippers, loppers, saws and gloves. Zilker Botanical Garden, 2220 Barton Springs Road. Free. 512-929-9565, www.bamboocentral.net.
Austin Pond Society meeting. 7 p.m. Monday. “Fish Talk” with Vance Schultze. Zilker Botanical Garden. Free. www.austinpondsociety.org.
Native Plant Society of Texas - Austin Chapter meeting. 7 p.m. Tuesday. Jeff Pavlat speaks about “Cacti & Succulents of Central Texas.” Wild Basin Preserve, 805 N. Capitol of Texas Highway (Loop 360). Free. 512-453-2289, www.npsot.org/austin.
Austin Bonsai Society meeting. 7:30 p.m. Tuesday. A hands-on workshop, bring your bonsai and tools. Zilker Botanical Garden. Free. www.austinbonsaisociety.com
“Winter Forage Workshop.” 9 a.m. to 3:45 p.m. Friday. Learn more about small grains and legume varieties, pesticide laws and regulations, fertilizers and soil testing, and fall herd health. Hornsby Bend Bio-Solids Management Plant, 2210 S. FM 973. $25. Call 512-854-9610 or 512-581-7186 to register, deadline is Wednesday.
“Terrariums!” 9 a.m. Aug. 24. Keri Anderson explains how to create your own terrarium. The Natural Gardener. Free.
Austin Area Begonia Society Branch meeting. 2 p.m. Aug. 25. Zilker Botanical Garden. Free. 512-327-0401.
Austin Butterfly Forum meeting. 7 p.m. Aug. 26. Valerie Bugh discusses butterflies. Zilker Botanical Garden. Free. www.austinbutterflies.org.
— Compiled by Lindsey Cherner; firstname.lastname@example.org.