Plant Comparison
Cereus Peruvianus vs Cleistocactus Strausii
Both are columnar cacti that grow as dramatic upright statement plants, but the resemblance stops at the shape. Cereus peruvianus 'Spiralis' has a bold, deeply ribbed, spiralling body with visible sharp spines. Cleistocactus strausii, the silver torch cactus, is entirely different in texture โ densely covered in fine white hair-like spines that give the whole column a soft, silvery, almost fuzzy appearance.

Cereus Peruvianus 'Spiralis'
Cereus peruvianus 'Spiralis'
Tall columnar cactus with a dramatic spiralling, deeply ribbed body and visible sharp spines. Fast-growing for a columnar cactus and eventually tree-sized.

Cleistocactus Strausii (Silver Torch)
Cleistocactus strausii
Slender upright columnar cactus densely covered in fine white spines, giving it a soft silvery look. Slower-growing and more clustering than Cereus.
Photo: Rhododendrites / CC BY-SA 4.0 ยท Wikimedia CommonsSide-by-Side Comparison
Choose Cereus Peruvianus 'Spiralis' ifโฆ
- โYou want the boldest, most sculptural spiralling silhouette
- โYou have space for a plant that eventually grows genuinely tall
- โYou want faster visible growth from a columnar cactus
- โYou prefer visible, dramatic spines over a soft fuzzy texture
Choose Cleistocactus Strausii (Silver Torch) ifโฆ
- โYou want the soft, silvery, almost fuzzy look nothing else offers
- โYou prefer a clustering habit that stays more compact and manageable
- โYou want a columnar cactus more likely to flower indoors
- โYou want a slightly gentler plant to have near a walkway
What They Have in Common
- โขBoth are columnar cacti needing full sun and very well-draining, gritty soil
- โขBoth should be soaked thoroughly and then left to dry out fully before the next watering
- โขBoth need a cool, dry winter rest with minimal watering
- โขBoth eventually reach a size that needs floor space rather than a windowsill
The Verdict
Choose Cereus for the boldest, most architectural silhouette and faster growth toward a tall specimen. Choose Cleistocactus for a softer-looking, clustering column that is easier to keep at a manageable size indoors and more likely to actually flower on your windowsill.
๐ Cereus Peruvianus 'Spiralis'
๐ฏ๏ธ Cleistocactus Strausii (Silver Torch)






