Amphibian Monitoring Workshop, Helen. Herpetologist will lead a review of amphibians and a night hike to view them and learn frog calls. Register by Friday. May 29, Smithgall Woods Conservation Area and Lodge, 61 Tsalaki Trail, Helen. $5; $3 parking. 706-878-3087.JAKES Day, Gainesville. Knife throwing, archery, BB gun shoot, turkey calling, children’s activities and free food. 10 a.m.-3 p.m. Saturday, Chicopee Woods Agricultural Center, 1855 Calvary Church Road, Gainesville. Free. 770-531-3953.
Fun-Fly Non-Contest Fly-In & Cookout, Gainesville. Fly radio controlled aircraft. Georgia Mountain R/C. Flying, 1:30 p.m. Saturday, with cookout at 5 p.m., Georgia Mountain R/C's field, 5728 Ga. 52, Gainesville. Donation.
Memorial Day Gorge Floor Hikes, Tallulah Falls. Strenuous hike will involve rock-hopping and getting wet. Age 10 and older. Preregister. 10 a.m. to 2 p.m. Sunday, 10 a.m. to 1 p.m. Monday, Tallulah Gorge State Park, 338 Jane Hurt Yarn Drive, Tallulah Falls. $4 parking. 706-754-7981.
Georgia Gold Medal Plants lecture, Gainesville. Lunch and Learn Gardening Series; bring your lunch and listen to Hall County Extension Service agent Billy Skaggs. Noon Wednesday, Spout Springs Library, 6488 Spout Springs Road, Flowery Branch; noon June 3, Gainesville Library, 127 Main St. NW, Gainesville. Free. Preregister. 770-532-3311, ext. 114 or firstname.lastname@example.org.
Herb gardening lecture, Cumming. Forsyth County Master Gardeners library series. 1 to 2:30 p.m. May 30, Cumming Library, 585 Dahlonega Road, Cumming. Free. 770-887-2418.
Invasive plants lecture, Cumming. Forsyth County Master Gardeners library series. 1 to 2:30 p.m. June 6, Christ the King Lutheran, 1125 Bettis-Tribble Gap Road, Cumming. Free. 770-887-2418.
Come Try It, Gainesville. Try canoes and kayaks on Lake Lanier. Lanier Canoe and Kayak Club. Sunday afternoons 1-6 p.m. May-September, Lake Lanier Olympic Center, 3105 Clarks Bridge Road, Gainesville. $15. 770-287-7888.
Hall County Farmers Market, Gainesville. 6 a.m. Tuesdays and 7 a.m. Saturdays, corner of East Crescent Drive and Jesse Jewell Parkway, near Interstate 985 Exit 24, Gainesville. $10 to join market, $5 per day to sell; $100 to reserve space for entire selling season. 770-531-6988
Hoschton Farmers Market, Hoschton. 8 a.m. to 2 p.m. Saturdays, Towne Center Shopping Center, Hoschton. Dan Graves, 770-861-7232
Dahlonega Farmers Market, Dahlonega. 7 a.m.-3 p.m. Tuesdays and Saturdays through Nov. 7, Hancock Park off the downtown Dahlonega square. 706-864-6133.
Suwanee Farmers Market, Suwanee. Farmers must grow their own produce and be licensed and certified by the Georgia Department of Agriculture; vendors register in advance. . 8 a.m. to noon Saturdays through Oct. 17, Town Center Park, 310 Town Center Ave., Suwanee. 770-945-8996 or email@example.com.