Low water; water thoroughly, then let soil dry completely. Water sparingly during cool weather, and never leave roots in standing water.
Size
2-4 ft tall × 2-3 ft wide
Habit
Clustering succulent
Toxicity
Toxic if Ingested; Sap Irritant
Description
A compact South African succulent with upright, ribbed green stems armed with vivid red spines that darken with age; resembles a cactus but belongs to the spurge family.