The Master Gardeners of Monmouth County will hold a Spring Garden Days Plant Sale 11 a.m.-5:30 p.m. May 14 and 9 a.m.-3 p.m. May 15, rain or shine, at the Monmouth County Agricultural Building, 4000 Kozloski Road, Freehold Township. The plant sale will include perennials, annuals, flowering trees and shrubs, hanging baskets, vegetables, herbs, gardening books and indoor houseplants. Free workshops on organic and container gardening and information about composting will be available on Saturday. All sales are “cash and carry.” For more information, call Rutgers Cooperative Extension Service at 732-303-7614.