Mammillaria parkinsonii

RHS Plant Profile
owl's eye pincushion

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owl's eye pincushion Dorling Kindersley 2003
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Cactus Succulent Conservatory Greenhouse Houseplants

A cactus with solitary stems to 15cm across bearing white radial spines and curved brown central spines to 3.5cm in length; flowers 1.5cm, creamy yellow tinged with pink

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
5–10 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
North–facing or East–facing or South–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H2

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Cactaceae
Native to GB/Ireland
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 susceptible to mealybugs

Diseases

Generally disease-free