Tylecodon singularis (Dyer) Toelken
Tylecodon singularis is an unique and rare, succulent geophyte. It is a stemless plant with tuberous roots, producing 1 or 2 massive, fleshy leaves, almost circular, up to 3.2 inches (8 cm) in diameter and withering before the flowers appear. It is leafless over summer, just the tuberous root waiting for fall. Flowers are borne in an inflorescence up to 7.2 inches (18 cm) tall and appear in summer. Pale yellow corolla is tubular, with short hairs on the inside.
USDA hardiness zones 10a to 11b: from 30 °F (−1.1 °C) to 50 °F (+10 °C).
How to Grow and Care
Cotyledons can be divided into 2 groups. One group consists of evergreen plants with a summer growing period. The other group is made up of deciduous plants, splendidly magnificent with large, solid fleshy stems. The second group grows during the winter and sheds its leaves during the summer.
These succulents require a free-draining gritty mix and plenty of sun. They are tolerant of cool, frost-free conditions during the winter if kept dry. Some require pruning to maintain an attractive shape. Cotyledons should be kept in a sunny position. Follow general succulent watering procedures. Be careful of overwatering when they are deciduous.
As succulents go, Cotyledons certainly are rewarding garden and indoor subjects, practically independent of irrigation in all but full desert conditions, though they cannot survive poor light or bad drainage in the wet.
Feed it once or twice during the growing season with a fertilizer specifically formulated for cactus and succulents (poor in nitrogen), including all micro nutrients and trace elements diluted to 1/2 the strength recommended on the label.
Learn more at How to Grow and Care for Cotyledon.
Tylecodon singularis is native to Namibia.
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