Celebrate Earth Day with all-day, family-friendly events hosted by South Fork Natural History Museum; and Quogue Wildlife Refuge, in collaboration with Eastern Long Island Audubon Society and Westhampton Beach. Led by Ocean Fog Farm’s May Zegarelli, Wölffer Estate’s “Welcome Spring” flower-arranging class (April 30) supports Share the Harvest. Marders Nursery’s weekly “Garden Talks” cover topics like hydrangeas and native plants. 377 Bridgehampton-Sag Harbor Turnpike, Bridgehampton, N.Y., 11932. 3 Old Country Road, Quogue, N.Y., 11959. 139 Sagg Road, Sagaponack, N.Y., 11962. 120 Snake Hollow Road, Bridgehampton, N.Y., 11932.
