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

Cactus

Eriosyce senilis

Cactus
Photo: Leonora Enking from West Sussex, England, CC BY-SA 2.0

Eriosyce senilis, the old-man cactus, is a small globular cactus from central Chile, grown for its white, hair-like spines. It thrives in bright light, sharp drainage and dry conditions, and is hardier than most cacti.

Family
Cactaceae (Cactus family)
Grows as
Succulent
Light
Full sun
Water
Water thoroughly only when the soil is fully dry, and much less in winter.
Soil
Very free-draining cactus or gritty mineral mix.
Temperature
10-35 °C in growing season; tolerates light frost when dry, protect from prolonged wet cold.
How easy
Easy
Native range
C. Chile
Climate
desert or dry shrubland

About

Eriosyce senilis, called old-man cactus along with a number of similar species, is a species of cactus in the genus Eriosyce, native to Chile. It has gained the Royal Horticultural Society's Award of Garden Merit.

Other Eriosyce plants

Eriosyce crispa · Eriosyce paucicostata

Text excerpted from the Wikipedia article Eriosyce senilis 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…