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Pachycereus marginatus

Scientific Name:

Pachycereus marginatus

Common name:

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











Hardiness Zone:



ABout the PLant

The Pachycereus marginatus is a stunning succulent that originates from Mexico and Central America. It is an impressive columnar cactus, growing up to 8 meters tall and up to 25 centimeters in diameter. Its stem is usually covered with small spines that give it a unique texture. The Pachycereus marginatus produces beautiful white flowers during the summer months, which are quite fragrant and attract many pollinators. The flowers have a yellow center and can reach up to 10 centimeters in diameter. They bloom at night, adding a lovely touch of color to the evening sky. The leaves of the Pachycereus marginatus are small and grey-green in color, often appearing silvery due to their thick waxy coating. These leaves are also covered with small spines that help protect them from predators and extreme temperatures. Caring for this succulent is relatively easy as long as you provide it with plenty of light and water during its active growth period (spring through fall). During the winter months, reduce watering significantly as this plant does not require much water during its dormant period. If you live in an area where temperatures drop below freezing, make sure to bring your Pachycereus marginatus indoors or provide some form of protection such as a cold frame or greenhouse coverings so it doesn't suffer any damage from frost or snowfall. This species has been used for centuries by indigenous peoples in Mexico for food, medicine, construction materials, and more recently as an ornamental plant due to its attractive features. Today it remains popular among gardeners who appreciate its beauty and resilience against drought conditions.
The Pachycereus marginatus succulent does best in bright indirect light. It should be placed in a spot that gets plenty of sunlight, but not direct sun for more than a few hours each day. For the rest of the day, it should be kept in medium to low light. This will ensure that your succulent stays healthy and grows strong!
The Pachycereus marginatus succulent requires well-draining soil with a slightly acidic pH. The ideal soil should be composed of equal parts coarse sand, loam, and organic matter such as compost or peat moss. This succulent prefers to stay on the dry side, so it's important to avoid overwatering and ensure that the soil is allowed to dry out completely between waterings.
The Pachycereus marginatus succulent requires infrequent watering, about once every 2-3 weeks. It is best to water deeply and allow the soil to dry out completely between waterings. During its dormant period in winter, it should be watered even less often - only when the soil is completely dry.
The ideal humidity conditions for the Pachycereus marginatus succulent are relatively low. During the growing season, it should be kept at around 40-50% relative humidity. During the winter months, it can tolerate slightly lower levels of around 30-40%. Overall, this succulent prefers dry air and will thrive in a well-ventilated environment with plenty of airflow.