March Mart is sponsored by The Mercer Society with plant sale proceeds going to support special projects and educational programs at Mercer. The sale is March 18 from 8:00 a.m. to 4:00 p.m. at the Mercer Botanic Gardens. One of the Texas Gulf Coast area’s largest and most anticipated horticultural events, the sale attracts amateurs and experts alike. March Mart features a huge selection of more than 2,000 varieties of quality plants, many rarely found at local retail nurseries. Wagons are available on a first-come, first-served basis. You are welcome to bring your own for convenient shopping!