Gently used plant sale, Atlanta. Discount orchids and other plants. 9 a.m. to 7 p.m. today, Atlanta Botanical Garden, 1345 Piedmont Ave., Atlanta. Garden admission, $12 adults, $9 seniors and students age 3-17. 404-876-5859.
Froggie Spring Fling, Athens. Learn about amphibians and search for newts, salamanders and frogs as you explore the property of Sandy Creek Nature Center. 6 p.m. Friday, Sandy Creek Nature Center, 205 Old Commerce Road, Athens. $6 for Athens-Clarke County families and $9 for residents of other counties. 706-613-3615.
Spring Garden Expo, Gainesville. Hall County Master Gardeners Spring Expo. More than 60 vendors with plants, garden art and products. 8 a.m. to 6 p.m. Friday, 8 a.m. to 4 p.m. Saturday, Chicopee Woods Agricultural Center, 1855 Calvary Church Road, Gainesville. Free mulch. Free admission. 770-531-6855 or firstname.lastname@example.org.
Spring Wildflower Fest, Dawsonville. Wildflower identification hike. Learn about edible and medicinal plants. Saturday and Sunday, Amicalola Falls State Park and Lodge, 418 Amicalola Falls Lodge Road, Dawsonville. $3 parking. 706-265-1969.
Reopening of Anna Ruby Falls, Helen. Falls will reopen after reconstruction of the observation deck. Estimated opening date Tuesday, Anna Ruby Falls, 3455 Anna Ruby Falls Road, Helen. 706-782-3320.
Celebrity Golf Tournament, Helen. Reception with Phil Niekro, Marty Perez, Alejandro Pena, Sol Brannan, Dewey McClain, Javier Lopez and Darrel Chaney, 6 p.m. Monday, Bigg Daddy's, 807 Edelweiss Strauss, Helen; tournament, Tuesday, Innsbruck Resort and Golf Club, 664 Bahn Innsbruck Road, Helen. Benefits the United Way of White County. Free. 706-878-3151 or 706-892-4779.
5K run/walk for Camp Hope, Oakwood. Registration, 7 a.m.; race, 8 a.m. April 25, West Hall High School, 5506 McEver Road, Oakwood. $15 before April 17, $20 on race day. 770-532-3371.