Pachycereus Marginatus goes by the common name ‘Mexican Fence Post Cactus.’ The columnar trunk plant shows up to 12 feet in height with five to seven ribs. It belongs to the Cactaceae family and requires full sun exposure for its neat appearance. The winter-dormant Mexican fencepost from Central Mexico has rough and erect stems.

Growth Rate

Pachycereus marginatus has a dramatically slow growth rate but is highly tolerant to heat and cold.

Flowering

Mexican fence post cactus bears pinkish-red flowers during the blooming season, which is spring.

Watering and Feeding

This cactus needs a desert-like condition. Avoid overwatering and ensure that the soil is entirely dried out between two waterings.

Soil

Pachycereus marginatus grows with ease amongst rocks soaking all its essential nutrients from the rocky layers. You need a typical cactus potting mix that is well-drained.

Hardiness

The hardiness zone of these cacti is 10, with a frost tolerance of up to −3.9° C (25° F).

Light

This variety of Pachycereus demands full sun, especially during spring and summer. The plant can tolerate parched conditions. When placed indoors, expose it to natural light.

Propagation

The Mexican fence post cactus can be easily propagated via seeds or stem cuttings.

Mexican fence post cactus has a strong dominating personality with an indomitable presence. It is sure to add lots of character and feel to your cactus garden!

Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz

Blooming Season	Spring
Common Name	(Mexican fence post cactus
Dormancy	Winter
Family	Cactaceae
Flower	Pinkish-red
Frost Tolerance	−3.9 °c
Growth Rate	Slow growth
Hardiness Zone	1/9
Height	12 feet
Origin	Central mexico
Scientific Name	Pachycereus marginatus Mexican Fence Post Specimen
Shape	Columnar trunks
Sun Exposure	Full sun