Light: Morning sun with afternoon shade in Phoenix; protect from intense western sun and reflected heat.
Water: Low water; water deeply, then allow soil to dry completely. Keep nearly dry in winter, and avoid frequent watering during extreme summer heat.
Soil: Excellent drainage is essential; use a gritty cactus mix or plant in a raised, gravelly bed. Avoid heavy clay and moisture-retentive soil.
Mature size: 6–10 feet tall and 3–5 feet wide as a multistemmed clump; individual stems are approximately 2–3 inches thick.
Bloom: Typically spring through summer on mature stems; young plants may take several years to flower.
Evergreen / deciduous: Evergreen.
Growth rate: Moderate under favorable conditions; slower during extreme heat or prolonged drought.