• 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

Peperomia argyreia

watermelon begonia

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
watermelon begonia

© RHS

  • Other common names watermelon begonia
    watermelon pepper

    watermelon plant
    rugby football plant

    see more
  • Synonyms Peperomia sandersii

  • Family Piperaceae

  • Genus Peperomia are evergreen perennials with simple, often succulent leaves and very small greenish-white flowers borne in slender spikes or panicles

  • Details P. argyreia is a bushy perennial to 20cm tall, with ovate green leaves, attractively striped with silver bands between the veins, borne on red stalks; flowers greenish, minute, in short spikes

  • Plant range S America

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • 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)

    H1B

Colour

Sunlight

  • Partial Shade

  • Aspect North-facing or East-facing

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilLoam

  • pHAcid, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow under glass in loamless or loam-based potting compost (JI No1) in bright indirect light when in active growth and full light in winter. Water moderately in summer and sparingly in winter

Propagation Propagate by seed, softwood leaf, or leafbud cuttings. Alternatively remove offsets

Suggested planting locations and garden types Patio & Container Plants

How to care

Pruning No pruning required

Pests Generally pest free

Diseases Generally disease free

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