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Cactus SucculentConservatory Greenhouse

Gymnocalycium saglionis

giant chin cactus

A cactus with flattened, globose, green or blueish-green stems with 10-30 or more tubercled ribs, and clusters of stout spines. Broad, funnel-shaped, pale pink flowers 2cm across appear in early summer

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Size
Ultimate height
Up to 10cm
Time to ultimate height
5–10 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green Pink
Autumn Green
Winter Green
Position
  • Full sun
Aspect

East–facing or South–facing or North–facing

Exposure
Sheltered
Hardiness
H2
Botanical details
Family
Cactaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus

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

Name status

Correct

Plant range
NW Argentina

How to grow

Cultivation

Grow under glass in a standard cactus compost, in bright, filtered light, with good ventilation. Water freely in spring and summer and apply a low-nitrogen liquid feed every month. Keep dry in winter

Propagation

Propagate by seed sown at 19 - 24°C in early spring, or by removing offsets in spring

Suggested planting locations and garden types
  • Patio and container plants
Pruning

No pruning required

Pests

May be susceptible to mealybugs

Diseases

Generally disease-free

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