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Pachycereus marginatus f. cristata (Crested Mexican Fence Post)


Scientific Name

Pachycereus marginatus f. cristata

Accepted Scientific Name

Pachycereus marginatus (DC.) Britton & Rose

Common Names

Crested Mexican Fence Post, Crested Mexican Fence Post Cactus, Crested Fence Post Cactus, Crested Organ Pipe, Crested Central Mexico Pipe Organ, Crested Mexican Organ Pipe Cactus, Crested Organo


Cereus marginatus f. cristata, Lemaireocereus marginatus f. cristata, Stenocereus marginatus f. cristata, Cereus gemmatus f. cristata, Marginatocereus marginatus f. cristata

Scientific Classification

Family: Cactaceae
Subfamily: Cactoideae
Tribe: Pachycereeae
Genus: Pachycereus


Pachycereus marginatus f. cristata is a rare, crested form of Pachycereus marginatus that form beautiful, sculptured stems. It is a slow growing cactus, but can become quite big with time, making a spectacular specimen. The stems are dark green and the spines are very short in mature branches.


USDA hardiness zones 9b to 11b: from 25 °F (−3.9 °C) to 50 °F (+10 °C).

How to Grow and Care

Like most other plants that can grow to staggering size, Pachycereus cacti grow extraordinarily slowly, over the course of hundreds of years, and require virtually zero assistance on your end provided they are raised in a desert environment.

These extraordinarily, low-maintenance plants can basically grow untouched for decades, so there is really not a lot you need to worry about. Obviously it is very important that they receive adequate sun and heat, and be careful around their spines. If grown in containers, make sure that they are being repotted and that their soil isn't too moist. Other than that, these plants are about as simple and hands-off as it gets.

Like most cacti and succulents, these plants propagate by cuttings. Sever a branch and replant in well-drained soil. Make sure as well to stand the cactus up in an empty container to let its ends heal off before you replant it; this will keep its stems shaped right, and cacti with dried ends form roots more easily after planting… – See more at: How to Grow and Care for Pachycereus


Pachycereus marginatus f. cristata is a crested form of Pachycereus marginatus.


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