Idaho Botanical Garden plant sale: 9 a.m. to 2 p.m. May 3, Idaho Botanical Garden, 2355 Old Penitentiary Road, Boise. Benefits IBG horticulture programs and ensures practical experience for College of Western Idaho horticulture students. Half-price admission. 343-8649, idahobotanicalgarden.org. Members only, 4 to 8 p.m. May 2. Free with membership.
Ada Gardeners plant sale: 8 a.m. to noon at 10608 W. Cruser Drive, Boise. Proceeds benefit scholarships at the College of Western Idaho (CWI).
Catholic Women's League plant sale: 8 a.m. to 5 p.m. at St. Paul's Catholic Church, 510 W. Roosevelt, Nampa.
Nuts about Natives: 11 a.m. to 12:30 p.m. at Madeline George Garden Design, 10550 W. Hill Road Parkway, Boise. Free. Register: 995-2815, firstname.lastname@example.org.
National Public Gardens Day: 9 a.m. to dusk at Idaho Botanical Garden, 2355 Old Penitentiary Road, Boise. Free. 343-8649, idahobotanicalgarden.org.
Idaho Horticulture Society plant sale: 9 a.m. to 3 p.m. at Boise Urban Garden School, 4821 Franklin Road, Boise. Proceeds benefit garden club community service projects and CWI horticulture program. Bring your own boxes. 870-1299, idhort.com.
Idaho Gladiolus Society plant sale: 9 a.m. to 1 p.m. at Heritage Park, 185 E. State St., Eagle. Proceeds support its Gladiolus Show in August.
Wacky Weeders Garden Club Plant Sale: 9 a.m. to 2 p.m. at 623 Los Luceros Circle, Eagle.
Golden Garden Club Plant Sale: 9 a.m. to 3 p.m. at 10305 Harvester Drive, Boise.