Matt Conn trims trees on his wetlands property in Lydia, La.
Matt Conn trims trees on his wetlands property in Lydia, La., on Sept. 4, 2014. After a previous owner ran afoul of regulators for draining the property — 67 acres of protected wetlands — Conn bought it with the intent of restoring it and the cypress trees that once towered here. “I won’t see this as a big, huge cypress forest in my time,” says Conn. “Maybe my grandkids.” (William Widmer/The New York Times)

This week’s gardening tips: The New Orleans Orchid Society will hold its annual spring show and sale at Lakeside Shopping Center in Metairie Friday and Saturday, June 2-3, from 10 a.m. to…