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Cotyledon orbiculata 'Winter Red' (Winter Red Pig's Ear) - An upright evergreen, branching succulent shrub with fleshy 4 to 6 inch long gray-green spoon shaped that are held mostly upright. As with the species the edges of the leaf are lined with red. Dark orange-red bell-shaped flowers dangle from flower stalks that rise above the foliage in late winter.
Best in full coastal sun or light shade with occasional summer watering. Hardy to 25-30 degrees. This plant is great as a container or dry growing landscape plant. Although there has not been a recorded incident of this species being poisonous to humans there have been cases in California where sheep have died when fed Cotyledon orbiculata. In South Africa, the disease caused by eating these plants, called cotyledonosis, has poisoned sheep and goats but rarely other animals. The meat of animals killed by cotyledonosis also remains toxic.
The species Cotyledon orbiculata is widespread throughout South Africa where it is most often found on rocky outcrops within grasslands, the shrubby fynbos and semidesert regions. The reason for the name chosen for the genus is a complicated story. The plant, Wall Pennywort or Navelwort, (Umbilicus rupestris) was previously included in the genus. In medieval times and in homeopathic medicine this plant was commonly known as Cotyledon, so this name stuck with the genus, even though the plant it was named for did not. The name for the genus originated from the Greek word 'kotyledon' or 'kotyle' meaning "cupped", "hollowed" or "a cavity". The specific epithet is Latin meaning "round and flat" or "disk-shaped" in reference to the typical leaf shape of the species.
This cultivar was selected for its upright growth and dark reddish winter flowers. Our stock plant for this selection came from Kathy Echols of Midhill Farms garden in Martinez, CA and the name was given to us by Brian Kemble, curator of the Ruth Bancroft Garden, where the entrance is graced with a large plant of this variety. We started growing this large showy Cotyledon in 2020 and continued to offer it until we closed the nursery in 2025.
The information displayed on this page about Cotyledon orbiculata 'Winter Red' is based on our research conducted about this plant from books in our nursery library as well as from information that is provided by reliable online resources. We also have included our own observations made about it as it grew in the nursery gardens and other gardens visited, as well how the crops of this plant performed in the containers when we had them in our nursery field. We also include comments received from others and welcome hearing from anyone who has information about this plant, particularly if it includes cultural information aiding others to better grow it.
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