Opuntia microdasys var. albispina
Light: Full sun to light shade; afternoon shade is beneficial in Phoenix, especially for container plants. Acclimate gradually to direct desert sun.
Water: Low water; water deeply only after soil dries completely. Container plants need more frequent checks during summer heat. Keep nearly dry in winter, especially during cold weather.
Soil: Very well-drained, sandy or gravelly soil. For containers, use cactus mix amended with pumice or other mineral grit.
Mature size: Typically 2–3 feet tall and 3–5 feet wide.
Bloom: Occasional late-spring to early-summer flowers on established plants; flowering is uncommon in containers.
Evergreen / deciduous: Evergreen.
Growth rate: Slow to moderate, with most growth during warm weather.