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Titanopsis calcarea – Concrete Leaf, Jewel Weed


Scientific Name

Titanopsis calcarea (Marloth) Schwantes

Common Names

Concrete Leaf, Jewel Weed, Carpet Leaf, Sheep’s Tongue, Living Stone


Titanopsis calcareum

Scientific Classification

Family: Aizoaceae
Subfamily: Ruschioideae
Genus: Titanopsis


Titanopsis calcarea (Concrete Leaf) is a mat forming succulent with basal rosettes up to 3 inches (7.5 cm) in diameter. Fleshy leaves, up to 1 inch (2.5 cm) long with truncate tip, usually grey or blue-green, densely covered at the apex with whitish, creamy grey, ochre, red or bluish rough tubercles. Yellow to orange flowers, 0.8 inch (2 cm) in diameter.

Titanopsis calcarea


USDA hardiness zone 9a to 11b: from 20 °F (−6.7 °C) to 50 °F (+10 °C).

How to Grow and Care

Titanopsis grows to form clumps. These clumps can be divided for further propagation of the plant.

The maintenance of Titanopsis is not difficult. They need a sandy substrate with little organic material. They are winter grower, and should be kept relatively dry in summer. They should also be kept dry when the temperature is below 45° F (7° C).

Division of larger clumps is possible in some cases, but as most species have tuberous rootstocks and offset slowly, seed production is the most common method of propagation. Sow it in spring and it should start flowering after two years… – See more at: How to Grow and Care for Titanopsis.


Native to South Africa (Bushmanland, Upper Karoo).


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