San Pedro Cactus – Desert Horizon Nursery

San Pedro Cactus

Echinopsis pachanoi (syn. Trichocereus pachanoi)
Water
Low to moderate; deep watering, allowing soil to dry between waterings.
Toxicity
Description
Tall, fast-growing columnar cactus native to the Andes, grown in desert landscapes for its striking vertical form. Produces large, fragrant white flowers that open at night. Note: stems contain psychoactive alkaloids (mescaline).
Bloom Time
Deciduous / Evergreen
Growth Rate
Flower Color
Foliage Color
Garden Style
Contains psychoactive alkaloids (mescaline); not for ingestion
Care Instructions

Light: Full sun (afternoon shade in low desert)

Water: Low to moderate; deep watering, allowing soil to dry between waterings.

Soil: Well-draining sandy or gravelly soil; avoid clay or waterlogged conditions.

Mature size: 10-20 ft tall, 3-6 ft wide

Bloom: Summer

Evergreen / deciduous: Evergreen

Growth rate: Moderate to fast