About

A cactus with clustered, squat-globose ribbed and tubercled stems becoming bronze in full sun; flowers to 5cm across, white, funnel-shaped, sometimes flushed pink in the centre.

About the genus

Gymnocalycium can be spherical or cylindrical cacti, with ribs divided into rounded, spiny tubercles, and funnel-shaped flowers in early summer

Growing conditions

SunlightFull sun
Soil typeLoam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectSouth-facing, North-facing, East-facing
ExposureSheltered
UK hardinessH2

Plant details

Plant typeCactus Succulent, Conservatory Greenhouse, Houseplants
HabitClump forming
FoliageEvergreen
HeightUp to 10 cm
Spread0-0.1 metre
Time to full height5-10 years
Suggested usesPatio and container plants
Native toArgentina

Care notes

CultivationGrow under glass in a standard cactus compost, in bright, filtered light, with good ventilation. When in growth water moderately and feed every two or three weeks with a balanced liquid feed. Keep almost dry in the winter
PruningNo pruning required
PropagationPropagate by seed sown at 19 - 24°C in early spring
Pest resistanceMay be susceptible to mealybugs
Disease resistanceGenerally disease-free