... also feature chrysanthemums arranged into cubes and other forms. www.longwoodgardens.org. (610) 388-1000, 800-737-5500. At Brookside Gardens in Wheaton, Md., a conservatory show features chrysanthemums in cascade forms. The exhibit ...

... in a show of lights and indoor displays that include thousands of poinsettias. Kennett Square, Pa. Fee: $15. 800-737-5500. www.longwoodgardens.org. At the New York Botanical Garden, the 12th annual holiday train show opens Friday ...