Nature-friendly activities in DFW this week

▪ The Fort Worth Bonsai Society will have its annual show and sale, 9 a.m.-5 p.m. Saturday and 1-4 p.m. Sunday at the Fort Worth Botanic Garden, 3220 Botanic Garden Blvd.

▪ Let the experts tell you when to start planning — and planting — for that fall tomato crop during a free clinic at 10:15 a.m. Saturday at all area Calloway’s stores. www.calloways.com.

▪ A naturalist will be on hand to teach you about plant defenses on a hike scheduled 1-3 p.m. Saturday at the Fort Worth Nature Center and Refuge. On Sunday, 1:30-3:30 p.m., learn how to feed, water and shelter birds in the landscape, as well as how to attract lesser-known birds. Both of these activities are free with paid admission ($2-$5). 9601 Fossil Ridge Road, Fort Worth. 817-392-7410; www.fwnaturecenter.org.

▪ Get your gardening questions answered with a call to the Tarrant County Master Gardener Association help desk, 817-884-1944. Hours are 8:30 a.m.-4:30 p.m. Monday-Friday.

▪ Johnson County Master Gardeners also answer gardening questions and give advice from 9 a.m.-4 p.m. Fridays. Call the Johnson County Extension Office at 817-556-6370 and ask to speak to a master gardener.

This story was originally published June 25, 2015 at 1:33 PM with the headline "Nature-friendly activities in DFW this week."