Haworthia calcarea occurs in the De Hoop Nature Reserve in the Western Cape. The plants are found growing on low limestone outcroppings.
This small plant is a relatively fast grower in cultivation when compared to some other Haworthia. Haworthia calcarea readily proliferates from the base in cultivation and in nature.
The flowers are whitish and similar to other species of the genus.
Synonyms: Haworthia mirabilis var. calcarea (Sensu M.B. Bayer).
Haworthia rossouwii var. calcarea (Sensu M.B. Bayer).
Haworthia calcarea in De Hoop Nature Reserve.
Haworthia calcarea can form large clumps.
Haworthia calcarea , an exposed plant beaten by the sun.