Stenocereus pruinosus (Gray Ghost Organ Pipe)
Striking Columnar Cactus with Edible Fruit
$9.99
Out of stock
Stenocereus pruinosus, commonly known as Gray Ghost Organ Pipe, is a dramatic, tree-like cactus native to south-central Mexico. Renowned for its architectural, columnar form and edible, colorful fruits, this cactus makes a bold statement in xeriscapes, desert gardens, and large container plantings. Its powdery, gray-glaucous stems give it a ghostly, sculptural presence that changes with age and light, making it as visually captivating as it is functional. This majestic cactus combines dramatic structure, ghostly beauty, and delicious fruit, making it a must-have for collectors and desert garden enthusiasts alike.
Common Names: Gray Ghost Organ Pipe; Pitaya de Octubre; Pitayo de Mayo
Botanical Name: Stenocereus pruinosus
Physical Characteristics
Stems: Upright, robust, gray-green to dark green; young branches often coated in a powdery, white-glaucous bloom (“Gray Ghost” effect)
Size: Reaches 13–20 feet in the wild; usually under 6 feet in cultivation
Ribs: 5–8 prominent ribs with wavy margins and deep vertical grooves
Spines: 1–4 central spines up to 3 cm long, 5–9 shorter radial spines; spines reddish-brown initially, turning gray with age
Flowers: Nocturnal, funnel-shaped, white or white with pink/magenta tinge; bloom in late spring to summer
Fruit: Ovoid, apple-sized, edible; skin yellow, orange, or purple with sweet, juicy flesh
Plant Care
Light: Full sun to maintain healthy growth and coloration
Soil: Very well-draining cactus or succulent mix
Water: Drought-tolerant; allow soil to dry completely between waterings
Temperature: USDA zones 9b–11; tolerates brief dips to 25°F (-4°C) if kept dry
Growth Habit: Columnar, tree-like, sculptural
Perfect For
Xeriscape and desert-inspired gardens
Architectural focal points and large container plantings
Cactus and edible fruit collections
Low-water, low-maintenance landscapes
Tropical and semi-arid themed gardens