The Lewisboro Land Trust, a chapter of the Westchester Land Trust, preserves open space through land purchases, lectures and other programs. Call Susan Henry at 763-5767. For information on the Westchester Land Trust, call 241-6346 or visit online at westchesterlandtrust.org. (There is a link to the Lewisboro Land Trust on the Westchester Land Trust Web site. Click on chapters.)

The Lewisboro Garden Club (lewisborogardenclub.com) is actively recruiting new members. The club’s objective is to promote the art of gardening, to cooperate in beautifying public grounds, and to aid in conserving the natural flora. The club offers free plots to townspeople in the community gardens at Onatru Farm. For membership information, e-mail Rosie Musumeci.

Caramoor Garden Guild is a group of volunteers who restore and maintain the Caramoor gardens. They also mount a plant sale, antiques show and other fund-raising events each year. For information, call 232-1253.

The Bedford Audubon Society is in Katonah. Call 232-1999 or visit online at bedfordaudubon.org.