Organic Gardening Seminar, with Dr. Earth, manufacturer of natural gardening products. Dundee Gardens, 2407 Sans Souci Parkway, Hanover Township. 11 a.m. Saturday. Free. 735-5452.
Mocanaqua Loop Hike, seven difficult miles with the Susquehanna Trailers Hiking Club. Meet at the Park and Ride, Route 309 near Blackman Street, Wilkes-Barre at 11:45 a.m. Sunday. Free. 825-7200.
From Seed to Kitchen, a four-session organic-gardening series on growing your own vegetables with Penn State Master Gardener Ron Petro. The Lands at Hillside Farms Education Center, 65 Hillside Road, Shavertown. 6 to 9 p.m. Thursdays through April 12. $30. Signup: 825-1701.
Birding at Frances Slocum State Park, a leisurely walk to seek out songbirds. Meet in the parking lot of the Environmental Education Center and boat rental, 565 Mount Olivet Road, Kingston Township. 8:30 a.m. March 24, April 14, May 5 and June 16. Free. 675-9900.