Aeonium arboreum var atropurpureum 'Schwarzkopf', or Black Tree Aeonium, is a very interesting Aeonium. The 8-inch (20 cm) rosette of almost black leaves on an up to 3-foot (1 m) high light gray trunk is very showy. They are easy to culture and are hardy in USDA zone 10.
Blooming Time: In summer. The bright yellow flowers set against the almost black foliage are very showy.
Culture: Aeonium arboreum var atropupureum 'Schwarzkopf' need full sun to light shade with a well drained potting mix. In the greenhouse, we use a soil mix consisting of 2 parts sand to 1 part peat moss to 1 part loam with small gravel added to increase drainage. Plants are allowed to thoroughly dry in-between waterings. We fertilize Aeonium once during the growing season with a balanced fertilizer. During the winter months, the temperature is dropped to 50° F (10°C) and we restrict water to about once a month, or just enough to keep the foliage from shriveling.
Propagation: Aeonium arboreum var atropurpureum 'Schwarzkopf' is easily propagated by cuttings in the spring.
Aeonium arboreum var atropurpureum 'Schwarzkopf' was featured as Plant of the Week June 20-26, 2003.
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. ©1998-2012 All rights reserved.