Crassula Devils Horns

The plant earns its dramatic common name from distinctive upright, horn-shaped leaves that form tight rosettes and cluster outward into a wide-spreading display over time. Thick, fleshy leaves are deep green with defined edges, creating a sculptural silhouette that stands out in any collection as a desk succulent or shelf accent.

Crassula ‘Devil’s Horns’ may produce small, star-shaped flowers typical of the Crassula genus when given a nighttime temperature drop during cooler months. Its clustering growth habit and bold horn-shaped form make it a year-round focal point.

Move it outside in summer in a bright, sheltered spot; just protect it from heavy rain and bring it back inside before temperatures drop. It handles balcony wind without trouble. You can leave it up to ten days without water. Crassula ‘Devil’s Horns’ is non-toxic to cats and dogs, making it safe for households with animals. It remains compact and manageable on windowsills, desks, and indoor shelves.

Water it deeply every 10-14 days in summer and reduce to once a month in winter, letting soil dry fully between waterings.

Crassula ‘Devil’s Horns’ does best in a fast-draining succulent and cactus mix blended with perlite for added aeration.

It prefers temperatures between 6080F and should be protected from frost and kept away from AC vents and heater drafts.

Crassula ‘Devil’s Horns’ is a slow to moderate grower that benefits from a diluted balanced fertilizer once in spring and once in early summer.

It is hardy in USDA zones 911, tolerating brief dips no lower than around 2530F before cold damage sets in. Crassula ‘Devil’s Horns’ grows outdoors year-round in California, Arizona, Texas, Florida, Hawaii, Nevada, Louisiana, Georgia, South Carolina, Alabama, and Mississippi. It grows outside with seasonal protection in coastal Oregon, coastal Washington, and parts of New Mexico. Growers in all other states can use it as an indoor or container plant moved outside for summer.

Q: Is Crassula Devil’s Horns pet friendly?
A: It is non-toxic and safe for cats and dogs.

Q: How much light does this plant need?
A: Crassula Devil’s Horns can scorch in harsh direct sun; bright indirect light near a north or east-facing window works best. It also grows reasonably well under office LEDs.

Q: Can Crassula ‘Devil’s Horns’ survive a trip without watering?
A: You can leave it up to ten days without water.

Q: How big does this plant get?
A: Crassula ‘Devil’s Horns’ grows upright in rosette clusters and spreads wider over time rather than growing tall, remaining compact and manageable for shelves and windowsills.

Q: What happens if Devil’S Horns gets overwatered?
A: It will develop root rot; let soil dry completely between waterings and reduce frequency in winter when growth slows.

Q: Can I propagate this plant?
A: Devil’S Horns can be propagated from individual leaves or leaf-and-stem cuttings allowed to dry for a few days before placing on dry soil.