“Warm Room: Photographs from Historic Greenhouses by Peter A. Moriarty,” historic greenhouses worldwide, capturing their light-filled architecture in gelatin-silver prints. 2301 Kentmere Pkwy., Wilmington. Wed–Sun, 10 to 4. $14–$25. DelArt.org.

Through Feb. 15, “In Focus: Photographing Plants,” featuring plant pictures from the 20th and 21st centuries. Through Mar 1, “Imprinted: Illustrating Race,” examines imagery over the course of more than three centuries, which has reflected and shaped perceptions of race across time. 2301 Kentmere Pkwy., Wilmington. Wed–Sun, 10 to 4. $14–$25. DelArt.org

Through Mar. 1, “Jerrell Gibbs: No Solace in the Shade,” the first decade of contemporary Baltimore artist Jerrell Gibbs’s career and his first one-person museum exhibition. Through May. 17, “John Sloan’s Street Theater,” portraying the realities of modern life in New York City. Through May 31, “Cropsey, Wyeth, and the American Landscape Tradition,” a rediscovered […]