organ pipe cactus

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A large, upright cactus, reaching up to 15m in its native range but usually much smaller in cultivation. Stems are deep green, with 5-7 ribs edged with slightly woolly areoles that are often linked together creating a pale-coloured line down the rib. Areoles bear short spines, and on mature plants produce nocturnal white, pink or purple flowers in spring, followed by round reddish fruits. Young plants are often single-stemmed, only branching at the base as they mature

Scientific classification

Species: organ pipe cactus (Pachycereus marginatus)
Genus: Pachycereus
Family: Cactaceae

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Toxicity: Cactus Succulent
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Spread: Evergreen
Foliage: Columnar upright
Habit: Spring · Summer · Autumn · Winter
Season of interest: Full sun
Sunlight: 18 – 28 °C
Ideal temperature

organ pipe cactus pictures

Distribution of organ pipe cactus

Distribution map

Mexico

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Culture

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Toxicity

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Quick identification of organ pipe cactus

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organ pipe cactus care guide

Water sparsely, fully dry substrate completely between all waterings
Watering: Full sun
Sunlight: 18 – 28 °C
Ideal temperature

Watering

Water sparsely, fully dry substrate completely between all waterings

Fertilizing

Feed heavily diluted low-nitrogen cactus fertilizer monthly in summer

Pruning

No pruning required

Propagation

Propagate by seed, sown at 19-24ºC in spring, or by stem tip cuttings in summer

Growing

Grow under glass, or in patio containers and overwinter in a greenhouse. Plant in a sharply-draining cactus mix and position in full sun. Water moderately when in growth, keep dry over winter. See houseplant cacti and succulent cultivation for more advice

More growing and care information →