• BRIT’s First Saturday program will feature Green Revolution students from the Fort Worth school district, a “sustainable city” symposium, a teacher-student art show and many kid-friendly activities and programs on Saturday. Activities, including a farmers market, will be 8 a.m.-1 p.m. 1700 University Drive, Fort Worth, 817-332-4441; brit.org.
• Make time for the North Texas Daylily Society’s “Stars of the Garden” event, 10 a.m.-4 p.m. Saturday in Oak Hall at the Fort Worth Botanic Garden Center, 3220 Botanic Garden Blvd. It will feature planting tips, lectures and door prizes.
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• The Arlington Gem and Mineral Club’s show is 10 a.m.-6 p.m. Saturday and 10 a.m.-5 p.m. Sunday at the Grapevine Convention Center, 1209 S. Main St. near downtown. On sale will be fossilized plants and decorative items for the garden. Admission $6, $3 for seniors and kids ages 6-12.www.agemclub.com
• Celebrate National Trails Day on Saturday with a free hike at River Legacy Parks in Arlington. Led by Texas master naturalists, the hikes are scheduled for 11 a.m., 1 p.m. and 3 p.m. An 8:30 a.m. hike will be an extended (two- to three-hour) trek through the parks. Space will be limited, so RSVP by calling 817-860-6752. All hikes depart from the Living Science Center. Check in 15 minutes beforehand. On Wednesday, beginning at 11:30 a.m., you can attend the River Legacy Nature Day and Bookfair at Barnes & Noble at The Parks at Arlington mall. Activities include story time and live animal presentations. A portion of the day’s purchases will benefit the nature center. 703 N.W. Green Oaks Blvd., Arlington.www.riverlegacy.org
• Learn how to turn your landscape into a bird retreat during a free clinic at 10:15 a.m. Saturday at all Calloway’s stores.www.calloways.com
• The Fort Worth Nature Center and Refuge’s spring exploration series continues with a river-bottom hike, 1:30-3:30 p.m. Sunday. It’s free with admission ($2-$5). Also, registration is open through Tuesday for the center’s full-moon paddle, 8-10:30 p.m. Friday. Canoes, paddles and life jackets will be provided. Cost is $20, $15 for members, and includes admission. 9601 Fossil Ridge Road, Fort Worth, 817-392-7410;www.fwnaturecenter.org
• 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 at 10 a.m. Wednesday and a guided tour of the trial garden at 9 a.m. Thursday, weather permitting. Look for signs at each garden and wait for the tour guide. To check on availability, call the main desk at 817-871-7686.
• The Buttermilk Junction Old-Time String Band will perform 1-4 p.m. Sunday at Log Cabin Village. Attend a “Garden Thyme” class led by a master naturalist, 10 a.m.-noon Thursday. Village admission is $4-$5, free age 3 and younger. 2100 Log Cabin Village Lane, Fort Worth, 817-392-5881; logcabinvillage.org.
• Go on a Family Discovery “creek crawl” 11-11:45 a.m. Wednesday at the Fort Worth Botanic Garden. The program is designed for kids age 4 and older; two children per caregiver allowed. Meet at the Backyard Vegetable Garden. 3220 Botanic Garden Blvd.fwbg.org
• Get your gardening questions answered any weekday 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 with your horticultural questions.
• 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. If a solution can’t be provided immediately, your question will be researched.
Mark your calendar
• The second annual EcoScape Residential Summer Landscape Contest, sponsored by the Botanical Research Institute of Texas and KXAS/Channel 5, will be June 14-Aug. 16. For details, including criteria and eligible cities, visithttp://fortworthtexas.gov/EcoScape
• A composting workshop will be 9-10:30 a.m. June 14 at the Bob Jones Nature Center. The workshop, led by master gardener and composter Charlie Shiner, is $5, free for members. Another workshop will be June 28. 355. E. Bob Jones Road, Southlake. 817-491-6333.
• Dairy Day at Nash Farm will be 10 a.m.-noon June 14. Free admission; hay rides $1. 626 Ball St., Grapevine. 817-410-3185.
• Texas A&M AgriLife Extension’s Earth-Kind modular horticulture and master gardener classes will be held on occasional Saturdays through December. The classes, which cover botany, horticulture, plant propagation and more, will be in Fort Worth and other North Texas cities. Space is limited, so pre-registration is recommended. For more information, call 817-884-1944 and ask for Steve Chaney, or visithttp://tarrantmg.org
for the schedule of classes.