• 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

Ctenanthe oppenheimiana 'Tricolor'

never-never plant

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
never-never plant

© RHS 2003

  • Other common names never-never plant

  • Synonyms Ctenanthe oppenheimiana var. tricolor

  • Family Marantaceae

  • Genus Ctenanthe are bushy evergreen perennials grown for their usually strikingly patterned, lance-shape to obovate leaves; irregular and usually inconspicuous tubular white or yellow flowers are borne in short racemes intermittently throughout the year

  • Details 'Tricolor' is a bushy evergreen perennial with lance-shaped leaves heavily variegated with cream and silvery-green, light red beneath

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 South-facing or West-facing or East-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Clay

    Clay

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureMoist but well-drained, Poorly-drained

  • SoilSand, Clay, Chalk, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Under glass grow in loam-based or loam-less potting compost in bright filtered light with high humidity, constant temperature and in draught-free conditions. Water freely when in growth and moderately in winter. Apply a balanced liquid fertiliser monthly when in growth. Repot annually in late spring or early summer

Propagation Propagate by seed sown at 19 to 24 °C in spring as soon as ripe or by division in spring

Suggested planting locations and garden types Patio & Container Plants

How to care

Pruning No pruning required

Pests Mealybugs may be a problem

Diseases Generally disease free

Did you find the information you were looking for?

RHS members can get exclusive individual advice from the RHS Gardening Advice team.

Join the RHS now

Get involved

We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.