Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Pygmaeocereus bylesianus

Pygmaeocereus bylesianus
Photo: Mats Winberg, CC BY-SA 2.5

Pygmaeocereus bylesianus is a small, critically endangered columnar cactus from coastal Peru, grown by collectors as a slow-growing succulent. The key to growing it is very fast-draining soil and minimal water.

Family
Cactaceae (Cactus family)
Grows as
Succulent
Light
Full sun
Water
Water sparingly and only when the soil is fully dry, since rot is the main risk.
Soil
Very well-draining cactus mix with added grit or pumice.
Temperature
Comfortable in warm conditions; protect from frost, as it comes from a dry, mild coastal climate.
How easy
Moderate
Native range
Peru
Climate
seasonally dry tropical

About

Pygmaeocereus bylesianus, synonym Haageocereus bylesianus, is a critically endangered species of cactus from Peru.

Where it grows

Pygmaeocereus bylesianus is common in the Peruvian region of Arequipa at altitudes of 50 to 1000 m. This ground is extremely dry and condensation of fog is the major source of water.

Other Haageocereus plants

Haageocereus acranthus · Haageocereus decumbens · Haageocereus fascicularis · Haageocereus platinospinus · Haageocereus pseudomelanostele · Haageocereus repens · Haageocereus versicolor · Haageocereus · Pygmaeocereus bieblii · Pygmaeocereus densiaculeatus · Pygmaeocereus

Text excerpted from the Wikipedia article Pygmaeocereus bylesianus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…