• 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

Rosa 'Cooperi' (Ra)

Cooper's Burma rose

  • Other common names Cooper's Burma rose
    Cooper's Burmese rose

  • Synonyms Rosa gigantea 'Cooperi'
    Rosa laevigata 'Cooperi'

    Rosa

    see more
  • Family Rosaceae

  • Genus Rosa can be deciduous or semi-evergreen shrubs or scrambling climbers, with usually thorny stems bearing compound pinnate leaves and solitary or clustered flowers. Flowers may be followed by showy red or purple fruits in some varieties.

  • Horticultural Group Rambler roses are vigorous shrubs with long, arching, thorny or smooth stems carrying glossy foliage and large sprays of small, single or double, often fragrant flowers in early summer

  • Details 'Cooperi' is a very large rambling rose with glossy, green leaves with three to five leaflets. Large, single, slightly fragrant, creamy white blooms with a boss of golden stamens appear in early summer

Characteristics

  • 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)

    H4

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Clay

    Clay

  • Loam

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Clay, Loam

  • pHAlkaline, Neutral, Acid

Size

  • Ultimate height 8-12 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grows best in fertile, humus-rich, moist but well-drained soil against a sunny wall in a sheltered position. Mulch in late winter and, to improve flowering, apply a balanced fertiliser in late winter or early spring - see rose cultivation

Propagation Propagate by semi-ripe cuttings in late summer or hardwood cuttings in autumn, or by chip budding in summer

Suggested planting locations and garden types Wall-side Borders Cottage & Informal Garden

How to care

Pruning Pruning group 18 (roses)

Pests Aphids, including rose aphid, are the most common rose pest. Can also be affected by rose leafhopper, glasshouse red spider mite, scale insects, caterpillars, large rose sawfly, rose leaf-rolling sawfly and leaf-cutter bees. Deer and rabbits can also cause damage

Diseases Rose black spot, rose rust and rose powdery mildew are the most common rose diseases. Can also be affected by rose dieback, replant disease, canker, honey fungus and a virus

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