7-8:30 p.m. – The “Gardening by the Springs: Lawn Care For Spring and Summer” class covers: how cool- and warm-season grasses differ and what they require; soil testing; fertilizing, weed control, aerating and watering. Free and open to the public. Presented by North Fulton County Gardeners. Register at: www.gardeningbythesprings.eventbrite.com. Heritage Sandy Springs, in the Community Room, 6110 Bluestone Rd., NE, Sandy Springs, 30328. For more information, visit: www.nfmg.net.