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Haworthia truncata (Horse's Teeth)


Scientific Name

Haworthia truncata Schönland

Common Names

Horse's Teeth


Haworthia truncata var. truncata

Scientific Classification

Family: Asphodelaceae
Subfamily: Asphodeloideae
Tribe: Aloeae
Genus: Haworthia


This species is native to South Africa (the winter rainfall region of the Little Karoo in the Western Cape).


Haworthia truncata is a small succulent plant that has unusual, gray or gray-green leaves with rough, warty surfaces and nearly rectangular crosssection. It grows up to 0.8 inches (2 cm) tall and spreads slowly up to 4 inches (10 cm) wide. Leaves are more or less upright, tightly appressed, and arranged in 2 opposite rows. Flowers are small, white, and appear mainly in late spring on slender, up to 8 inches (20 cm) long stems.

The specific epithet "truncata" derives from the Latin word "truncātus," meaning "cut off or truncated" and refers to the leaf tips that end abruptly with a flat window.

How to Grow and Care for Haworthia truncata

Light: Although some species can grow in full sun, most Haworthias are adapted to thrive in partial shade. Place the potted H. truncata in a bright area with some protection from the hottest rays of the day.

Soil: All Haworthias do not like their roots to remain wet for prolonged periods, so their potting soil should be well-drained. Use a commercial succulent potting mix or make your own.

Hardiness: Haworthias like warmer temperatures in the summer but cool in the winter. However, they do not like being too cold. H. truncata can withstand temperatures as low as 30 to 50 °F (-1.1 to 10 °C), USDA hardiness zones 10a to 11b.

Watering: During the hottest summer months, when Haworthias are mostly dormant, water just enough to keep the leaves from shriveling. From fall to spring, when growth is most active, water H. truncata thoroughly, then wait until the top of the soil dries out before watering again. Water the plants less during the winter when their growth slows down significantly.

Fertilizing: Haworthias do not require much fertilizer but for optimum growth, fertilization is a good idea. Feed only with a dilute fertilizer and only during the active growing season.

Repotting: These succulents are generally slow-growing and can stay in the same pot for years. For best health, H. truncata should be repotted into fresh soil every two to three years.

Propagation: Vegetative propagation, especially by offsets, is the quickest and most common method of propagating Haworthias. They can also be propagated by leaves and seeds. Remove the offsets when they have started developing their own roots. Sow seeds in spring or fall in a well-draining soil mix.

Learn more at How to Grow and Care for Haworthia.

Toxicity of Haworthia truncata

Haworthia species are generally non-toxic to humans and animals.

Forms, Varieties, Cultivars, and Hybrids of Haworthia truncata


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