Plumbago capensis is an evergreen shrub that will grow as a vine if tied to a trellis. Cape plumbago is a native of South Africa.
Blooming Time: Pale blue 1 inch flowers bloom in phlox-like clusters all year long. The fruit is a sticky bur.
Culture: Plumbago capensis need at least 4 hours of full sun per day with night temperatures of 45 to 50°, day temperatures of 60 to 80°. Humidity of 40 to 60% is desirable. Plant cape plumbago in a compost that consists of 2 parts loam to 1 part peat moss to 1 part sand. Keep the compost evenly moist. Feed established plants monthly with a balanced fertilizer diluted to half the strength recommended on the label. Cape plumbago responds well to heavy pruning to thin the plant and to keep it within a manageable size.
Propagation: Plumbago capensis is propagated by division or stem cuttings rooted in moist vermiculite.
Plumbago capensis was featured as Plant of the "Week" May 21-June 3, 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.