• Nash Farm hosts a Farmhouse on the Grapevine Prairie program for third- through seventh-graders, 10 a.m.-noon Saturday. Activities include picking, grading and weighing cotton, and measuring bushels. Admission is free; the program costs $3 and hay rides are $1. 626 Ball St., Grapevine, 817-410-3185.
• Get tips for raising kids to be good gardeners during a class for adults taught by members of the Arlington Men’s Garden Club, 10 a.m. Saturday at the River Legacy Living Science Center. RSVP to 817-860-6752. 703 N.W. Green Oaks Blvd., Arlington.www.riverlegacy.org
• Kids can hear “Turtle Tales” during an afternoon story time and live animal presentation, 12:30, 1:30 and 3 p.m. Sunday at the Fort Worth Nature Center and Refuge. It’s free with paid admission ($2-$5 per person). Friday, a naturalist leads a birding hike, 7:30-9:30 a.m. Free with paid admission but preregistration is required. Also register early for an Aug. 2 canoe tour of the West Fork of the Trinity River. Canoes, paddles and life jackets provided. Limit 12 participants. Meet at the Big River parking lot. $20, $15 members. 9601 Fossil Ridge Road, Fort Worth. 817-392-7410;www.fwnaturecenter.org
• Curtis Carter will talk about plants used by American Indians during a meeting of the Arlington Organic Garden Club, 7:30 p.m. Thursday at the Bob Duncan Center, 2800 S. Center St., Arlington. Social time begins at 7 p.m. For more information, contact Bob Ressl at817-265-0696
• Get your gardening questions answered with a call to the Tarrant County Master Gardener Association help desk, 817-884-1944. Call 8:30 a.m.-4:30 p.m. Monday-Friday.
• Johnson County Master Gardeners answer gardening questions and give horticultural advice 9 a.m.-4 p.m. Fridays. Simply call the Johnson County Extension Office at 817-556-6370 and ask to speak to a master gardener.
Mark your calendar …
• For BRIT’s First Saturday program showcasing research projects and featuring a farmers market, plant ID station, tours and a children’s story time. Visitors will vote for research projects in a science-fair setting, determining which ones will get funding. Begins 8 a.m. Aug. 2. The Botanical Research Institute of Texas is at 1700 University Drive, Fort Worth. 817-332-4441; brit.org.
• Texas A&M AgriLife Extension’s Earth-Kind modular horticulture and Master Gardener classes will be held on occasional Saturdays through December in various locations in North Texas. Registration is recommended. For info, call 817-884-1944 and ask for Steve Chaney, or visithttp://tarrantmg.org
for the schedule of classes.
• Members of the Fort Worth Botanic Garden Perennial Garden Master Gardener Project and the Trial Garden Master Gardener Project will conduct free, informal tours of the perennial garden on the second Wednesday of the month, at 10 a.m., and a guided tour of the trial garden on the second Thursday of each month, at 9 a.m., weather permitting. Look for signs at each garden and wait for the tour guide. To check availability, call the botanic garden’s main desk at 817-871-7686.