• 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

Melothria scabra


  • Other common names cucamelon
    mouse melon

  • Family Cucurbitaceae

  • Details Melothria scabra is a fast-growing herbaceous perennial climber, usually grown as an annual, 2.5-3m high, with double-spiralled tendrils, rough-textured green leaves, 3-7cm long with three or five lobes, small yellow flowers about 4mm across in summer, and olive-shaped fruits which are usually about 2.5cm but up to 4cm long and dark green with bands of pale green mottling, in late summer and early autumn; the fruits are edible with an acidic cucumber taste and crunchy texture

  • Plant range Mexico


  • Foliage Deciduous

  • Habit Climbing

  • 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)




  • Full Sun

  • Aspect West-facing or South-facing

  • Exposure Sheltered


  • Chalk


  • Loam


  • Sand


  • MoistureMoist but well-drained

  • SoilChalk, Loam, Sand

  • pHAcid, Alkaline, Neutral


  • Ultimate height 2.5-4 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 1 year

How to grow

Cultivation Sow seeds in spring and keep at 22-24°C until germination, grow on at 18-21°C or plant out in moist but well-drained soil in a sunny, sheltered position once all risk of frost has passed, and provide support such as netting; roots may be lifted and stored overwinter in just-moist compost in a frost-free place and re-planted the following spring

Propagation Propagate by seed sown at 22-24°C in spring

Suggested planting locations and garden types Wall-side Borders Cottage & Informal Garden Patio & Container Plants City & Courtyard Gardens

How to care

Pruning No pruning needed

Pests Generally pest-free

Diseases Generally disease-free

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