NATURAL Landscapes, a wholesale nursery, supplies the Delaware Nature Society's native plant sale, held at Coverdale Farm, 543 Way Road, in Greenville, Del., on May 3 and 4 (www.delawarenaturesociety.org/nps.html).

The New England Wild Flower Society's Nasami Farm, in Whately, Mass., has a large variety of blueberry plants, including Burgundy, named for its fall color, and Friendship, a half-high type good for small gardens. The farm is open to the public eight weekends in the spring, Thursday through Sunday, from April 17 through June 8; it reopens for the same long weekends Sept. 4 and closes after the first weekend in October. The farm's plants are also sold at Garden in the Woods, the society's public garden in Framingham, Mass. (508-877-7630; www.newfs.org).

Online sources include Wayside Gardens (800-213-0379; www.waysidegardens.com), which sells Darrow, a prolific high-bush type, and Sunshine Blue Dwarf, especially suited to containers; and Edible Landscaping (800-524-4156; www.ediblelandscaping.com) and Forestfarm (541-846-7269; www.forestfarm.com), both of which carry about a dozen different cultivars. ANNE RAVER