• 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

Asimina triloba (F)

pawpaw

pawpaw

© RHS

  • Other common names pawpaw
    papaw

    false banana

    see more
  • Family Annonaceae

  • Genus Asimina are deciduous or evergreen shrubs or small trees, with broad or narrow, oval leaves. The purplish flowers are followed by sweet, pulpy, greenish or yellow fruits

  • Details

    A. triloba is a shrub or small tree with oval leaves up to 30cm long, turning yellow in autumn. Purple-brown, cup-shaped flowers up to 5cm across are produced in late spring, followed by egg-shaped, edible fruit up to 12 cm long, yellow-green at first, ripening to yellow-brown

  • Plant range SE America

Characteristics

  • Foliage Deciduous

  • 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)

    H4

Colour

Sunlight

  • Full Sun

  • Aspect South-facing

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilLoam

  • pHAcid, Neutral

Size

  • Ultimate height 4-8 metres

  • Ultimate spread 4-8 metres

  • Time to ultimate height 20-50 years

How to grow

Cultivation Grow in full sun in acid or neutral, moist but well-drained soil. Needs long, hot summers to become a tree and produce fruit, otherwise grow as a multi-stemmed shrub

Propagation Propagate by seed sown in autumn, or by layering in autumn, or root cuttings in winter

Suggested planting locations and garden types Wall-side Borders City & Courtyard Gardens Mediterranean Climate Plants

How to care

Pruning Pruning group 1

Pests Generally trouble free

Diseases Generally trouble free

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