Cylindropuntia imbricata (Tree Cholla) — Purple blooms atop a spiny desert tree.

The hardy Tree Cholla grows into a branching cactus “tree,” decorated in summer with showy purple-pink blooms. Despite its spines, it’s highly ornamental and provides habitat for desert wildlife.

Plant Details:

• Water Needs: Very low; thrives on neglect

• Sun Needs: Full sun

• Soil Requirements: Sandy, rocky, well-drained soils

• Growing Zone: USDA Zones 5–9

• Cold Hardiness: Down to ~–20°F (–29°C)

• Mature Size: 6–8 ft tall x 3–6 ft wide

• Native Origin: Southwestern USA and northern Mexico

• Best Substitutes For: Prickly Pear, Ocotillo

• Landscape Uses: Xeric landscapes, wildlife gardens, dramatic accents