• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Massonia pustulata

blistered massonia

AGM plants

AGM plants have been through a rigorous trial and assessment programme. They are:

  • Excellent for ordinary use in appropriate conditions
  • Available to buy
  • Of good constitution
  • Essentially stable in form & colour
  • Reasonably resistant to pests & diseases
blistered massonia

© RHS

  • Other common names blistered massonia

  • Family Asparagaceae

  • Genus Massonia are bulbous perennials with two oblong to elliptic leaves and dense heads of white or pink flowers of which the large stamens are the prominent part, usually opening in winter

  • Details M. pustulata is a small bulbous plant with a pair of spreading, elliptical leaves usually covered with small, raised bumps, and almost stalkless umbels of white, yellow or pale pink flowers in early winter

  • Plant range S Africa (W Cape)

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Fragrance Flower

  • 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

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • MoistureWell-drained

  • SoilSand

  • pHNeutral, Acid

Size

  • Ultimate height Up to 10 cm

  • Ultimate spread 0-0.1 metre

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in a cool glasshouse or alpine house in full sun. Water moderately in growth; reduce watering after flowering for a period of dry dormancy

Propagation Propagate by seed or remove offsets when dormant

Suggested planting locations and garden types Patio & Container Plants

How to care

Pruning No pruning necessary

Pests Glasshouse red spider mite may be seen

Diseases Generally disease free

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