Trichocereus pachanoi ‘KK2150’ | ‘San Pedro’ | Live plant

Trichocereus pachanoi ‘KK2150’ originates from a Peruvian collection by noted Czech plant collector Karel Kníže. Live plant.

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Trichocereus pachanoi ‘KK2150’ | ‘San Pedro’ | Live plant

(syn. Echinopsis pachanoi, Trichocereus macrogonus subsp. pachanoi)

Here’s another great addition to the ever-growing Freaky Cacti catalogue: Trichocereus pachanoi ‘KK2150’, originating from material collected by legendary Czech cactus collector and distributor Karel Kníže (1941-2018). All the ‘KK2150’ cacti we sell are clones of our original mother plant, chosen by us from five seedlings we received for its vigour and general quality.

We should make it clear that Mr. Kníže was rather notorious for his often (but not always) sloppy labelling practices – although certainly contributed immensely to disseminating a massive amount of amazing plants around the world (just often with the wrong identification). Furthermore, for some reason his collection numbers refer to the geographical area of his collections, rather than to specific species, subspecies, etc. (as is the norm). For example, we’ve heard of plants marked with this label appearing to be Trichocereus cuzcoensis, Trichocereus macrogonus, Trichocereus pachanoi and Trichocereus peruvianus respectively – and even hybrids thereof. With that in mind, anything labelled Trichocereus pachanoi ‘KK2150’ should (in theory, at least) originate from material Kníže collected in Ayabaca, Peru, at two-thousand metres above sea level. However, this does not mean that all plants labelled ‘KK2150’ are genetically identical. We’ve listed this as a pachanoi as that’s how the mother plant was described by the grower we bought it from (and how Kníže described it in 2004), but please take a look at the photo and make up your own mind prior to ordering!

Trichocereus pachanoi (synonymous with Echinopsis pachanoi, ‘San Pedro’) is a hardy, fast-growing columnar cactus found growing in parts of Argentina, Bolivia, Chile, Ecuador and Peru. Native to the Ecuadorian and Peruvian Andes, the light to dark green pachanoi prefers an altitude range of roughly two thousand to three thousand metres, where it can grow up roughly nine metres high under ideal conditions. Its stems, usually forming multiple branches from the plants base, grow to fifteen centimetres in diameter and generally have six to eight ribs.

Trichocereus pachanoi has been used by humans for literally thousands of years, for example, as an ornamental, for religious practice and in traditional human and veterinary medicine. Like most other columnar Trichocereus species, they can handle far lower temperatures than many other cacti and are therefore quite easy to grow indoors and outdoors in USDA Zones 8-10.

Averaging roughly thirty centimetres of new growth per year (in ideal conditions), this excellent Trichocereus cactus will reward you for years to come, as long as you’re willing to provide fertile, free-draining soil and regular watering! Don’t forget a little organic fertiliser once or twice a year too…

Product Details

Product Type

Live plant


1 rooted plant


Size is added here when this item is in stock.

Common Name

San Pedro








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