Echinopsis pachanoi – San Pedro Cactus
Echinopsis pachanoi – San Pedro Cactus
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Current Stock Height Guides
Current Stock Height Guides
*** Height guide disclaimer: Height ranges are approximate only. As living products, plant heights naturally vary between individual plants, batches, and seasons.No guarantee is giventhat supplied plants will fall within the stated range. If minimum heights are required, you mustconfirm current batch heights with Evergreen Trees Direct prior to purchase. Variation in height is normal andis not grounds for return, refund, replacement, or compensation.
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Trade Customers
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About Echinopsis pachanoi – San Pedro Cactus
Echinopsis pachanoi, commonly known as San Pedro Cactus, is a fast-growing columnar cactus prized for its impressive architectural form and striking blue-green stems. The upright ribbed columns develop into substantial multi-stemmed specimens over time, creating a bold vertical feature in the landscape. Its clean structural appearance and rapid growth make it one of the most popular ornamental columnar cacti for contemporary gardens.
It performs best in full sun and free-draining soils and is highly suited to warm temperate, Mediterranean, coastal, and dry inland climates. Once established, San Pedro Cactus develops excellent drought tolerance and requires minimal maintenance. It is also more cold tolerant than many desert cacti and performs reliably across a wide range of Australian growing conditions.
They look excellent when used as feature plants, architectural landscapes, succulent gardens, courtyards, and waterwise gardens where strong vertical structure is desired. Mature plants may produce large fragrant white flowers during the warmer months, further enhancing their ornamental appeal.
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Key Information to Know
Evergreen / Deciduous
Echinopsis pachanoi – San Pedro Cactus is an Evergreen (foliage year round) Tree
Mature Height & Width
Mature Height: 3m - 6m
Mature Width: 1m - 3m
Echinopsis pachanoi – San Pedro Cactus is expected to grow 30cm - 60cm per year under suitable conditions.
Frost Tolerance
Is Echinopsis pachanoi – San Pedro Cactus frost tolerant?
Echinopsis pachanoi – San Pedro Cactus is Frost Tolerant – Can handle light to moderate frost once established.
Flowering Information
Echinopsis pachanoi produces large fragrant white flowers during spring and summer, often opening at night and remaining attractive into the following morning. The spectacular blooms emerge along the upper stems, creating a striking display that contrasts beautifully against the blue-green columnar growth.
Native Information
Is Echinopsis pachanoi – San Pedro Cactus an Australian Native? No
Echinopsis pachanoi – San Pedro Cactus is Native to Andean regions of Ecuador and Peru.
Wildlife Value
Its large fragrant flowers attract bees, moths and other beneficial pollinators during the flowering season, supporting biodiversity within dry-climate and ornamental landscapes. The tall columnar stems can also provide shelter for small beneficial wildlife in suitable garden settings.
Sunlight Information
Echinopsis pachanoi – San Pedro Cactus will thrive best in:
Preffered Soil
Echinopsis pachanoi performs best in free-draining sandy or loam soils with a neutral to slightly alkaline pH. It will also tolerate poor soils, rocky sites and exposed garden positions provided drainage remains excellent. Avoid heavy clay or persistently wet conditions, as excess moisture can lead to root and stem rot. Allow the soil to dry thoroughly between watering once established to maintain healthy growth and long-term vigour.
Botanical Information
Botanical Information
Botanical Information
Common Name: San Pedro Cactus
Genus: Echinopsis
Botanical Species: pachanoi
Family: Cactaceae
Botanical Name: Echinopsis pachanoi
Landscape Uses
Landscape Uses
Echinopsis pachanoi – San Pedro Cactus works in an:
Planting, Spacing & Care
Planting, Spacing & Care
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Echinopsis pachanoi – San Pedro Cactus is expected to grow 30cm - 60cm per year under suitable conditions.
Root Ball Dimensions (Width × Depth) For Planting
Root Ball Dimensions (Width × Depth) For Planting
Use this as a reference when digging your planting hole. We recommend digging at least 10% wider than the dimensions below to encourage strong root development.
- 30cm Pot: 33cm (W) × 30cm (D)
- 40cm/45L Pot: 44cm (W) × 41.5cm (D)
- 50cm Pot / 70L Pot: 55cm (W) × 41.8cm (D)
- 100L Bag: 50.6cm (W) × 52.8cm (D)
- 150L Bag: 66cm (W) × 55cm (D)
- 200L Bag: 71.5cm (W) × 60.5cm (D)
- 300L Bag: 88cm (W) × 63.8cm (D)
- 400L Bag: 99cm (W) × 66cm (D)
- 500L Bag: 122cm (W) × 66cm (D)
- 750L Bag: 134cm (W) × 69cm (D)
- 1000L Bag: 146.3cm (W) × 71.5cm (D)
- 2000L Bag: 176cm (W) × 82.5cm (D)
Ideal Conditions
Ideal Conditions
Thrives in
Frost Tolerance
Frost Tolerant – Can handle light to moderate frost once established.
Drought Tolerance
As a young plant it benefits from occasional watering to establish a healthy root system, particularly during extended dry periods. Once established, San Pedro Cactus shows exceptional drought tolerance and performs reliably through prolonged dry conditions with little to no supplementary watering.
Flowering Information
Flowering Information
Does Echinopsis pachanoi – San Pedro Cactus flower?
Flowering Period:
Flower Type:
Flower Colour:
White
Echinopsis pachanoi produces large fragrant white flowers during spring and summer, often opening at night and remaining attractive into the following morning. The spectacular blooms emerge along the upper stems, creating a striking display that contrasts beautifully against the blue-green columnar growth.
Frequently Asked Questions
Frequently Asked Questions
