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Cactus SucculentConservatory GreenhouseHouseplants

Mammillaria plumosa
  • RHS AGM

feather cactus

M. plumosa is a clustering cactus forming a mound of globose stems to 6cm diameter, hidden by the dense white radial spines; flowers 1.5cm in length, creamy-white or dull pink, in late 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 White
Summer White Cream Pink
Autumn White
Winter White
Position
  • Full sun
Aspect

East–facing or South–facing or North–facing

Exposure
Sheltered
Hardiness
H2
Botanical details
Family
Cactaceae
Native to the UK
No
Foliage
Evergreen
Habit
Clump forming
Genus

Mammillaria are spiny cacti with spherical or columnar stems, often in clusters, with many prominent tubercles, and funnel-shaped flowers usually in a ring near the apex of the stem

Name status

Correct

Plant range
Mexico

How to grow

Cultivation

Grow under glass in a standard cactus compost, in bright, filtered light, with low humidity. When in growth water moderately and feed every two or three weeks with a balanced liquid feed. Keep almost dry in the winter

Propagation

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

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

No pruning required

Pests

May be attacked by mealybugs

Diseases

Generally disease free

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