Shape | Upright columnar. |
Landscape | Borders, potted outdoor patio plant, potted indoor plant, rock gardens or as a specimen. |
Cultivation | Plant in well-draining, loose gravelly, loamy or sandy soil in full sunlight. Repot annually to encourage growth and health. |
Pests | Scale and mealybugs may be a problem. |
Notable Specimens | Centennial Conservatory, Thunder Bay, Ontario, Canada. |
Habitat | Dry rocky slopes and plains. |
Bark/Stem Description | Smooth succulent bark with pronounced venations that carry short spines in panicles of 2 - 6. |
Flower Description | Open cone-shaped blooms that grow lengthwise along veins with delicate lanceolate petals. |
Colour Description | Medium green succulent bark, greyish-white to grey spines. White-petaled flowers with purplish-brown outside petals and yellow pistils. |
Texture Description | Smooth, spiny. |