The Totem Pole Cactus, scientifically known as Pachycereus schottii var. monstrosus, is a captivating and distinctive cactus celebrated for its tall, columnar, and spineless stems that resemble totem poles. Indigenous to the desert terrains of Mexico and the southwestern United States, this cactus stands out among its peers. Although the Totem Pole Cactus is a unique variety, several related species share similar attributes. Here’s an in-depth look at the different types of Totem Pole Cacti and their related species.
Pachycereus schottii var. monstrosus (Totem Pole Cactus)
The Totem Pole Cactus, scientifically known as Pachycereus schottii var. monstrosus, is a striking columnar cactus with a unique, ribbed appearance. Its segmented, rigid structure resembles a totem pole, making it a visually captivating succulent.
Appearance:
- Stems: The Totem Pole Cactus is distinguished by its smooth, spineless, and often contorted stems. Its skin usually presents a green hue, transitioning to bluish-green or gray with maturity.
- Height: In its native habitat, it can reach up to 12 feet (3.6 meters) tall, although it is generally shorter when cultivated.
- Texture: The stems exhibit a lumpy, bumpy texture, contributing to the totem pole-like appearance.
Growth Habit:
- Slow Growth: This cactus grows slowly, representing a long-term investment for gardeners.
- Clumping: It tends to form clusters of multiple stems over time.
Flowers:
- Blooms: The Totem Pole Cactus produces small, white to pinkish flowers that bloom nocturnally. These flowers are not particularly showy and are often overlooked.
Care:
- Light: Requires full sun to partial shade.
- Soil: Prefers well-draining cactus or succulent soil.
- Water: Water sparingly, allowing the soil to dry out completely between waterings.
- Temperature: Hardy to temperatures around 25°F (-4°C), but it thrives in warmer climates.
Pachycereus marginatus (Mexican Fence Post Cactus)
The Mexican Fence Post Cactus, or Pachycereus marginatus, features tall, columnar stems with prominent vertical ribs. Its robust, upright growth and spiny texture make it a popular choice for creating natural barriers or striking garden features.
Appearance:
- Stems: Tall, columnar stems that are ribbed and slightly spinier than the Totem Pole Cactus. The spines are small and not very prominent.
- Height: Can grow up to 20 feet (6 meters) tall.
- Texture: The stems are smooth and green, with prominent ribs.
Growth Habit:
- Fast Growth: Faster growing than the Totem Pole Cactus, making it a popular choice for creating living fences or barriers.
- Clumping: Forms clusters of stems, creating a dense, fence-like appearance.
Flowers:
- Blooms: Produces small, white to yellowish flowers, followed by edible red fruits.
Care:
- Light: Requires full sun.
- Soil: Prefers well-draining soil.
- Water: Water regularly during the growing season but allow the soil to dry out between waterings.
- Temperature: Can tolerate temperatures down to 25°F (-4°C).
Lophocereus schottii (Senita Cactus)
The Senita Cactus (Lophocereus schottii) is a distinctive columnar cactus known for its branching structure and spiny, ribbed stems. It creates an eye-catching, sculptural presence in desert landscapes.
Appearance:
- Stems: Columnar stems that are ribbed and covered in dense, short spines. The stems are grey-green in color.
- Height: Can grow up to 15 feet (4.5 meters) tall.
- Texture: The stems have a rougher texture due to the spines.
Growth Habit:
- Moderate Growth: Grows at a moderate rate and can form large clumps over time.
- Clumping: Forms dense clusters of stems.
Flowers:
- Blooms: Produces small, white to pinkish flowers that open at night.
- Fruits: Followed by small, edible fruits.
Care:
- Light: Requires full sun to partial shade.
- Soil: Prefers well-draining soil.
- Water: Water sparingly, allowing the soil to dry out completely between waterings.
- Temperature: Hardy to temperatures around 25°F (-4°C).
Conclusion
The Totem Pole Cactus and its relatives, such as the Mexican Fence Post Cactus and the Senita Cactus, offer unique and visually captivating options for cactus enthusiasts. Each type boasts distinct characteristics, growth habits, and care requirements.
Whether you seek a slow-growing, ornamental cactus or a fast-growing, living fence, these cacti provide versatile and fascinating choices for your garden or collection. By understanding their specific needs and differences, you can select the right cactus to enhance your space.
