• 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

Musa basjoo

Japanese banana

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
  • Other common names Japanese banana
    Japanese fiber banana

  • Family Musaceae

  • Genus Musa are suckering evergreen perennials with very large, paddle-shaped leaves whose stalk-bases form a false stem, and clusters of tubular flowers with colourful bracts, followed by edible cylindrical fruits

  • Details M. basjoo is a suckering evergreen perennial to 5m tall, with arching lance-shaped leaves to 3m long, and drooping terminal spikes of cream flowers in summer, sometimes followed by inedible green fruits to 6cm long

  • Plant range China

Characteristics

  • Foliage Evergreen

  • Habit Suckering

  • 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

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureWell-drained

  • SoilSand, Chalk, Loam

  • pHAcid, Neutral, Alkaline

Size

  • Ultimate height 2.5-4 metres

  • Ultimate spread 1.5-2.5 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation For banana cultivation under glass grow in loam-based potting compost (JI No.3) in full light with shade from hot sun; repot every other year, in spring. In warmer parts of the country for outdoors grow in a sheltered position in humus-rich well-drained soil in full sun

Propagation Propagate by seed as soon as ripe at 21-24°C (70-75°F); presoak spring sown seed for 24 hours. Separate suckers in early spring, removing older leaves or divide established clumps every five years

Suggested planting locations and garden types Wall-side Borders Patio & Container Plants

How to care

Pruning See banana cultivation notes (above) for wrapping and overwintering

Pests Glasshouse red spider mite, mealybugs and aphids can be troublesome under glass

Diseases Generally trouble free

Advertise here

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