Cleistocactus strausii

The Cleistocactus strausii is a slow-growing columnar cactus that can eventually reach heights of up to 10 feet. Because of its slow growth rate, it will maintain a manageable size for several years before reaching its full potential.

Yes, drainage is critical for this plant. You should use a dedicated cactus or succulent potting mix that allows water to pass through quickly, as the roots are susceptible to rot if left in standing water.

Yes, the Cleistocactus strausii is non-toxic to both pets and humans. However, keep in mind that it is covered in dense, sharp spines, so it should still be placed in an area where curious pets or children are unlikely to brush against it.

To encourage its signature red tubular flowers, this cactus needs plenty of light. It thrives in direct sun or very bright, indirect light, so choose a location that receives several hours of sun daily.

As a drought-tolerant plant, it requires very little water. Allow the soil to dry out completely between waterings, and reduce your watering frequency significantly during the cooler months when the plant is dormant.

It is perfectly suited for both. While it looks dramatic planted directly in a desert-themed landscape, it also performs well in large containers, provided the pot has adequate drainage holes.