• 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 caperata 'Luna Red'

radiator plant 'Luna Red'

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
© RHS
  • Other common names radiator plant 'Luna Red'

  • 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 'Luna Red' is an evergreen perennial to 20cm, with heart-shaped, deep purplish-crimson leaves 3-4cm in length, with deeply impressed main veins

Characteristics

  • Foliage Evergreen

  • Habit Clump-forming

  • 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 South-facing or West-facing or East-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilSand, Chalk, Loam

  • pHAcid, Alkaline, 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 Under glass grow in a loam-less or loam-based potting compost in bright indirect light when in growth and full light in winter. When in growth water moderately and apply a balanced liquid fertiliser in spring and early summer. Water sparingly in winter

Propagation Propagate by seed sown at 19 to 24 °C when ripe or take softwood cuttings during growth

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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