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Echinopsis arachnacantha

Echinopsis arachnacantha
Photo: Petar43, CC BY-SA 4.0

Echinopsis arachnacantha is a small clustering cactus from the Bolivian Andes, with dark green ribbed stems and brown spines, and large showy flowers. It is grown as a sun-loving succulent that needs well-drained soil and a dry winter rest.

Family
Cactaceae (Cactus family)
Grows as
Succulent
Light
Full sun
Water
Water thoroughly in the growing season, let the soil dry out fully between waterings, and keep it nearly dry in winter.
Soil
Fast-draining cactus mix with grit or perlite.
Temperature
10–30 °C; protect below 5 °C
How easy
Easy
Native range
Bolivia
Climate
desert or dry shrubland

About

Echinopsis arachnacantha, synonym Lobivia arachnacantha, is a species of cactus in the genus Echinopsis, native to Bolivia.

How to grow it

The species has gained the Royal Horticultural Society's Award of Garden Merit.

Where it grows

Plants are found in Bolivia, in the departments of Santa Cruz, Chuquisaca, and Cochabamba, as well as in Salta, Argentina. It grows at elevations between 1800 and 2600 meters. This species grows on stony hills in places with reliable summer rainfall.

Other Lobivia plants

Cactus

Text excerpted from the Wikipedia article Echinopsis arachnacantha 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.

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