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Coryphantha cornifera (Rhinoceros Cactus)


Scientific Name

Coryphantha cornifera (DC.) Lem.

Common Names

Rhinoceros Cactus


Cactus radians, Cactus scolymoides, Coryphantha bernalensis, Coryphantha cornuta, Coryphantha daimonoceras, Coryphantha impexicoma, Coryphantha maliterrarum, Coryphantha radians, Coryphantha schwarziana, Coryphantha scolymoides, Echinocactus cornifer, Echinocactus radicans, Mammillaria cornifera, Mammillaria cornuta, Mammillaria daimonoceras, Mammillaria impexicoma, Mammillaria radians, Mammillaria scolymoides

Scientific Classification

Family: Cactaceae
Subfamily: Cactoideae
Tribe: Cacteae
Genus: Coryphantha


Coryphantha cornifera is a cactus with a flat, globose to cylindrical stem, dull olive-green in color, up to 5 inches (12.5 cm) tall and up to 6 inches (15 cm) in diameter . The 10 to 20 radial spines are pale whitish, yellow or horn-colored, sometimes darker tipped and up 0.6 inch (1.5 cm) long. The central spines are up to 3, dark brown, becoming grey from the base and usually about 0.4 inch (1 cm) long. The flowers are yellow, funnel-shaped and up to 3 inches (7.5 cm) in diameter.

Coryphantha cornifera (Rhinoceros Cactus)

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

How to Grow and Care

If you can grow cacti and succulents successfully, you can likely grow Coryphanthas without too much trouble. They love to be in a very bright exposure, but generally not to direct light of sun. The risk, especially during the hottest hours of the day and during the summer, is to get sunburned.

The average winter minimum temperature, in general, should not fall below 40 °F (5 °C), unless individual exceptions. Adult plants (at least 2 years of age) can withstand frosts also very intense, but only if the temperature rises again quickly. To encourage better flowering, allow the plants to enjoy a cooling period in the winter and suspend watering.

Allow the soil to become nearly dry between waterings, but then water thoroughly. Immaculate drainage is essential, so never let the pots sit in water. Suspend watering in the winter, but mist occasionally.

These cacti are very susceptible to rot and therefore require a well-drained soil. Use potting mix that is labeled for cacti or succulents… – See more at: How to Grow and Care for Coryphantha


Coryphantha cornifera is native to Mexico.


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