Marginatocereus marginatus

Mexican Fencepost Cactus


Marginatocereus marginatus, also called the Mexican fencepost cactus, is a visually stunning houseplant. With its tall, columnar stems boasting vibrant bluish-green hues and prominent ribs adorned with small spines, it adds a captivating focal point to indoor spaces.

This cactus’ unique appearance and low-maintenance nature make it an appealing choice for indoor cultivation. Whether placed in a sunny window or as part of a succulent arrangement, Marginatocereus marginatus brings a touch of desert allure to any setting.


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Origin: Mexico
Genus: Marginatocereus
Species / Cultivar: marginatus
Common Name: Mexican Fencepost Cactus
Synonym: Lophocereus marginatus, Pachycereus marginatus, Lophocereus marginatus, Lemaireocereus marginatus, Stenocereus marginatus, Cereus marginatus

Plant Biography

Marginatocereus marginatus, commonly known as the Mexican fencepost cactus, originates from Mexico and parts of Arizona. It was first described by British botanist Nathaniel Lord Britton and American botanist Joseph Nelson Rose in 1922.

Belonging to the Cactaceae family, this species is characterised by its tall, columnar stems with distinctive ribs and spines. Over the years, it has become popular in cultivation worldwide due to its striking appearance and adaptability as a houseplant.

Marginatocereus marginatus
Light: Direct
This plant likes as much sun as possible. Best placed in direct sunlight in a bright window.
Soil: Cacti and Succulent Mix
Enjoys a drier soil with a high ratio of drainage material.
Temperature: 5-30°C
Temperature range at which this plant is healthiest and grows best.
Growth Rate: Medium
Expect to see moderate growth during growing season.
Water Requirement: Minimal Watering
In summer water sparingly when soil has dried out significantly. Little to no water in winter.
Maintenance: Low
Requires no attention beyond correct position and watering. An ideal starter plant!
Care & Size Guidance

Care & Size Guidance

As an indoor plant, Marginatocereus marginatus thrives in bright, indirect light near south or west-facing windows. With proper care and space, it has the potential to grow to several metres tall, making it a striking addition to indoor spaces.

Use a cacti and succulents potting mix and water sparingly, allowing the soil to dry completely between waterings, and ensure well-draining soil to prevent root rot.

With its unique appearance and low-maintenance requirements, the Mexican fencepost cactus offers a bold statement piece for a large indoor room or sunny conservatory.


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