About
Gymnocalycium bruchii, Bruch's chin cactus, is a clustering cactus with almost spherical, dark-green, ribbed stems to 6 cm tall bearing bristly, white, radial spines. In early summer it produces funnel-shaped, pale-pink flowers to 4.5 cm across. A charming and easy-care cactus for a sunny greenhouse bench or windowsill.
About the genus
Gymnocalycium are spherical or cylindrical cacti from South America with ribs divided into rounded, spiny tubercles and funnel-shaped flowers, mainly in shades of pink, white or red, in early summer. Popular, easy-care cacti for a sunny greenhouse bench or windowsill.
Growing conditions
SunlightFull sun
Soil typeLoam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH2
Plant details
Plant typeCactus Succulent
HabitClump forming
FoliageEvergreen
HeightUp to 10 cm
Spread0-0.1 metre
Time to full height2-5 years
Suggested usesHouseplants, Patio and container plants
Native toN. Argentina
Care notes
CultivationGrow in cactus compost in full light with shade from hot sun. Water freely in spring and summer, applying a low nitrogen fertiliser every month. See houseplant cacti and succulent cultivation for further information
PruningNo pruning required
PropagationPropagate by seed sown at 19-24°C in late winter or early spring; remove offsets in spring
Pest resistanceMay be susceptible to mealybugs
Disease resistanceGenerally disease-free