A small globose cactus from Catamarca, Argentina, with blue-green ribs, pale curved spines and funnel-shaped red, pink or orange flowers. It is easy to grow and needs sharp drainage and a sunny spot, with dry winters.
Family
Cactaceae (Cactus family)
Grows as
Succulent
Light
Full sun, Bright indirect
Water
Water well in summer, then let the soil dry fully before watering again; keep dry in winter.
Soil
Fast-draining cactus or succulent mix.
Temperature
Warm growing season; keep frost-free in winter, tolerating cold to about -10 °C only if kept dry.
How easy
Easy
Native range
NW. Argentina
Climate
desert or dry shrubland
About
Gymnocalycium baldianum, the spider-cactus or dwarf chin cactus, is a species of flowering plant in the cactus family Cactaceae, native to the Catamarca Province in Argentina.
How to grow it
Gymnocalycium baldianum is easy to grow. It needs a well-drained soil. In summer, water the plants well, but let them to dry before watering again. Use monthly a fertilizer for cacti. In winter, keep it dry, and the temperature may be as low as −10 °C (14 °F), but it is better to keep it without frost. The exposure must be sunny in summer and at least brightly lit in winter.
This species has gained the Royal Horticultural Society's Award of Garden Merit.
Where it grows
Gymnocalycium baldianum is widespread in the Argentine province of Catamarca at altitudes of 1000 to 2000 meters.
Text excerpted from the Wikipedia article Gymnocalycium baldianum 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.