Echinopsis Pachanoi (San Pedro Cactus)
Echinopsis Pachanoi (San Pedro Cactus)
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Echinopsis Pachanoi, commonly known as San Pedro Cactus, is a fast-growing columnar cactus admired for its tall, upright green stems and strong architectural presence. Its ribbed structure and smooth, segmented growth habit make it a striking feature plant in dry gardens, rockeries, and modern desert-style landscapes. Over time, it forms clumping columns that create a bold sculptural effect in the landscape.
Highly drought-tolerant and easy to grow, San Pedro Cactus thrives in full sun and well-drained soils, making it ideal for xeriscape and low-water gardens. It is valued for its resilience, rapid growth, and minimal maintenance requirements. With its clean vertical form and distinctive cactus silhouette, Echinopsis Pachanoi is an excellent choice for adding structure and impact to arid and contemporary garden designs.

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Mature height
2–6 m tall
Mature width
1–2 m wide (clumping over time)
Spacing
1–2 m apart
Evergreen/Deciduous
Evergreen (succulent stems)
Foliage
Bright green ribbed stems
Flowering Period & Fruit Development/Harvest
Summer (large white night-blooming flowers)
Sun tolerance
Full Sun
Maintenance
Low
Root System
Shallow, fibrous cactus root system suited to dry soils