These events are scheduled Friday, March 31, through Sunday, April 2.
» Civil War History Hike: Chickamauga Battlefield, Fort Oglethorpe, Ga., 2 p.m. Saturday, free. Meet at Visitor Center lobby to care caravan to Brock Field for two-hour hike and tour about fighting on the farm of John Brock. 706-866-9241.
» Kokodama Workshop: Signal Mountain Nursery, 1100 Hubbard Road, 10 a.m. Saturday, $34.99 includes finished kokodama ball. Learn about this bonsai grown in a moss ball that is bound in string to become a sculptural art form. 423-886-3174.
» Mountain Bike Ride: Cloudland Canyon State Park, 122 Cloudland Canyon Park Road, Rising Fawn, Ga., 9 a.m. Sunday, $10 and $15 plus $5 parking, for ages 13 and older. Explore Five Points Recreation Area and Cloudland Connector Trail corridor on mountain bike with park naturalist. Helmets required; bring water and snack. 706-657-4050.
» Nature Walk: Lula Lake Land Trust, Lookout Mountain, 2-5 p.m. Sunday, $4 Tennessee Aquarium members, $8 nonmembers. Aquarium horticulturist Christine Hunt leads trail walk to spot flowering shrubs and early wildflowers; wear hiking boots. www.tnaqua.org/events-programs.
» Pokemon Hike: Cloudland Canyon State Park, 122 Cloudland Canyon Park Road, Rising Fawn, Ga., 6-9 p.m. Friday, $10-$20 plus $5 parking. "Catch 'em all" at the park, visit Poke Stops on hike to Cherokee Falls. Come prepared with the app downloaded on a phone. 706-913-7170.
» Shade Garden Ideas: The Barn Nursery, 1801 E. 24th St. Place, 11 a.m. Saturday, free. Craig Walker gives ideas on how to add pops of color in the shade, vertical gardening inserts to extend color upward, as well as garden design with fountains, benches and gazing globes. 423-698-2276.
» Sitton's Gulch Hike: Cloudland Canyon State Park, 122 Cloudland Canyon Park Road, Rising Fawn, Ga., 10 a.m.-4 p.m. Saturday, $15 plus $5 parking. Six-mile hike starts at bottom of gulch, goes up 600 stairs then hikes to bottom of Hemlock and Cherokee Falls. 706-657-4050.
» Straw Bale Gardening: Ooltewah Nursery, 5829 Ooltewah-Ringgold Road, 9 a.m. Saturday, free. Greta Basham shows how to grow almost anything in a straw bale; participants get how-to booklet to take home. 423-238-9775.
» Star Party: Cloudland Canyon State Park, 122 Cloudland Canyon Park Road, Rising Fawn, Ga., meet at disc golf course parking lot, 8-10 p.m. Saturday, free admission, $5 parking. Barnard Astronomical Society leads star-gazing of crescent moon craters and "earthshine" Jupiter. 706-657-4050.
» Tram Tour: Reflection Riding Arboretum & Nature Center, 400 Garden Road, 10 a.m. or 1 p.m. Saturday, free for members, $10 nonmember adults, $7 nonmember children ages 4-11 or senior adults ages 65 and up. Guided tram tour with program on Spring Ephemeral Flowers by Richard Clements. Reservation required; walk-ups accepted only as space remains. 423-821-1160.