Epidendrum radiatum is an epiphytic orchid from Central America. Epidendrums in general are one of the easiest orchid species to grow.
Blooming Time: Fall; Flower is 1½ inches across, cream colored, sepals and petals ovate, fleshy, spreading, lip rounded, shell shaped, white with bright purple radial lines. Flowers are extremely fragrant.
Culture: Epidendrum radiatum does best in bright indirect sunlight with night temperatures of 50 to 65 degrees and day temperatures of 68 degrees or higher. It should be grown in a mixture of 2 parts fir bark to 1 part coarse peat moss. Keep the potting medium abundantly moist at all times. It needs high humidity, so place in humidifying trays or mist at least twice a day. Fertilize monthly with a high nitrogen fertilizer diluted to ½ the strength recommended on the label.
Propagation: Epidendrum radiatum are propagated by division of pseudobulbs. Divide in clumps of 3-4 pseudobulbs.
Epidendrum radiatum was featured as Plant of the Week October 1-7, 1999.
Guide to Past Plants-of-the-Week:
Cal's Plant of the Week was provided as a service by the University of Oklahoma Department of Microbiology & Plant Biology and specifically the late Cal Lemke, who used to be OU's botany greenhouse grower and an avid gardener at home as well. If the above links don't work, then try the overview site. You may also like to look at the thumbnail index. ©1998-2017 All rights reserved.