• Celebrate Earth Day 10 a.m.-2 p.m. Saturday at Arlington’s River Legacy Parks. Activities will be held at the Living Science Center, 703 N.W. Green Oaks Blvd., and include a story time and GM “green” car display as well as animal observations, nature hikes and Earth Day pledges. 817-860-6752; www.riverlegacy.org.• The Johnson County Master Gardeners’ spring plant sale will be 9 a.m.-3 p.m. Saturday at Cleburne’s Sheriff’s Posse Rodeo Grounds, 1315 S. Main St. On sale this year for the first time are peach trees released by the Texas A&M AgriLife Extension Service. Also, drought-tolerant perennials, Earth-Kind roses, herbs, tomatoes and more. View the selection of plants that will be offered at jcmga.org.• See the “Lennox Woods: The Ancient Forest” art exhibit through May 8 at the Botanical Research Institute of Texas, 1700 University Drive, Fort Worth. The exhibit is a multi-year project by artist Deborah Paris involving one of the most pristine old-growth forests in Texas. For hours, visit brit.org.• Learn how to build a better garden for hummingbirds and butterflies at a free clinic 10:15 a.m. Saturday at all Calloway’s Nursery locations. www.calloways.com/clinics.• A spring trail series debuts with a prairie hike 1:30-3:30 p.m. Saturday at the Fort Worth Nature Center and Refuge. On Sunday, let the kids get a close look at some native species at “Shells, Tails and Scales,” 12:30, 1:30 and 3 p.m. at the nature center. Both events are free with admission ($2-$5). 9601 Fossil Ridge Road, Fort Worth. 817-392-7410; www.fwnaturecenter.org.• Learn how to fill an Easter basket the green way at a workshop Saturday at Southlake’s Bob Jones Nature Center, 355 E. Bob Jones Road. The classes, fun for all ages, are $10 (free for members) and held at 11:15 a.m. and 1 p.m. 817-491-6333; www.bjnc.org.• The Fort Worth Botanic Garden will have a family-friendly program at the Oval Rose Garden beginning at 6 p.m. Thursday. Activities include a come-and-go craft time and garden tour. Bring a picnic and linger after the program. The garden is at 3220 Botanic Garden Blvd., Fort Worth. 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 …• Clark Gardens in Weatherford will have Easter activities, including crafts and an egg hunt, 10 a.m.-2 p.m. Saturday, April 19. Sack lunches will be provided for the first 300 guests. $10, $7 for children, $5 for members. A free communitywide sunrise service will be held 7 a.m. Sunday, April 20. Both events are rain or shine. The nature park is at 567 Maddux Road, Weatherford. 940-682-4856; www.clarkgardens.org.• The Japanese Garden Spring Festival is set for the weekend of April 26-27 at the Fort Worth Botanic Garden. fwbg.org.
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