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Peruvian Old Man Cactus
Scientific Name: Espostoa lanata (Kunth) Britton & Rose
Synonym: Cleistocactus lanatus, Espostoa sericata, Espostoa lanata var. sericata, Cereus sericatus, Espostoa procera, Espostoa laticornua, Cereus dautwitzii, Pilocereus dautwitzii, Cereus lanatus, Cereus lanatus ssp. sericatus, Pilocereus lanatus, Oreocereus lanatus, Cactus lanatus, Espostoa dautwitzii
Family: Cactaceae
Peruvian Old Man Cactus (Espostoa  lanata) Recommended Temperature Zone:
sunset: 12-24
USDA: 9b-11

Frost Tolerance: tolerates down to 25F (-3C) for short periods, but frost should still be avoided.

Minimum Avg. Temperature: 50F (10C)

Heat Tolerance: Protect from the heat and direct afternoon sun in Phoenix, does not like Phoenix summer heat

Sun Exposure: Full sun to light shade

Origin: Southern Ecuador, northern Peru

Growth Habits: Tree shaped cactus, slowly growing to 10 feet tall (3 m) or more, stems are 4 inches in diameter (10 cm)

Watering Needs: Rot prone in winter, keep it dry

Propagation: Seeds

The name of the genus, Espostoa, comes from the Peruvian botanist Nicholas Esposto.

Peruvian Old Man Cactus (Espostoa  lanata)

Peruvian Old Man Cactus (Espostoa  lanata)

Blooming Habits:
The Peruvian Old Man Cactus has nocturnal flowers, 2 inches in diameter, white to purple in late spring, early summer.

Fruiting Habits:

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