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San Pedro Cactus
Scientific Name: Echinopsis pachanoi (Britton & Rose) Friedrich & G. D. Rowley
Synonym: Cereus pachanoi, Trichocereus pachanoi
Family: Cactaceae
San Pedro Cactus (Echinopsis  pachanoi) Recommended Temperature Zone:
sunset: 16,17,21-24
USDA: 8b-10

Frost Tolerance: Hardy to 15F (-10C)

Minimum Avg. Temperature: 50F (10C)

Heat Tolerance: Light shade in Phoenix

Sun Exposure: Full sun to part sun

Origin: Mountains of Ecuador and Peru, between 5000 and 9000 feet elevation (1500m and 2700m)

Growth Habits: Multi-stemmed columnar cactus, up to 20 feet tall by 6 feet spread (6 by 1.8 m)

Watering Needs: Little water when established

Propagation: Cuttings, seeds

The San Pedro Cactus stems contain small quantities of mescaline, a hallucinogenic drug.

At Holly Gate Nursery, Copyright Terry Hewitt

Blooming Habits:
The San Pedro cactus is night blooming, Its white flowers, in July, are up to 9 inches in diameter (22 cm)

Fruiting Habits:

Check for Field Collection numbers at Ralph Martin's Site

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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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