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Gymnocalycium bruchii


Scientific Name

Gymnocalycium bruchii (Speg.) Hosseus


Gymnocalycium bruchii subsp. bruchii, Frailea bruchii, Gymnocalycium albispinum, Gymnocalycium lafaldense, Echinocactus lafaldensis, Gymnocalycium carolinense, Gymnocalycium lafaldense

Scientific Classification

Family: Cactaceae
Subfamily: Cactoideae
Tribe: Trichocereeae
Genus: Gymnocalycium


Gymnocalycium bruchii is a dwarf cactus with flattened, blue-green stems that grow up to 1.5 inches (3.8 cm) tall and up to 2.5 inches (6.3 cm) in diameter. It produces tufts of many clustering stems. The stems have 12 shallow ribs and white to grayish, bristle-like spines. Flowers are funnel-shaped, up to 2 inches (5 cm) long, and about the same in diameter. They are in different shades of pink and white and appear in spring.

Gymnocalycium bruchii


USDA hardiness zones 8a to 11b: from 10 °F (−12.2 °C) to 50 °F (+10 °C).

How to Grow and Care

Some Gymnocalyciums are shade-seeking in the wild, among shrubs or grasses, while others grow completely exposed. Some will, therefore, need a light shading from the sun in the hottest months, but to overdo this will result in the loss of flowers.

The balance of the potting medium should be sufficient to allow good drainage so that the plants do not sit in soggy soil for more than a day or two after watering.

Watering in the summer months, while the plants are growing well can be frequent (weekly for small plants in small pots), but always allowing the compost nearly to dry out before rewatering. Watering in the winter months at all is unwise and certainly not necessary. The difficult times are spring and autumn.

Those species which produce offsets can be readily propagated by cuttings. Gymnocalycium seed germinates well when fresh and will keep for a few years if stored in cold conditions… – See more at: How to Grow and Care for Gymnocalycium


Native to Argentina (Córdoba and San Luis).


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