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Rosa 'Blanche Double de Coubert' (Ru)
  • RHS AGM

rose 'Blanche Double de Coubert'

Vigorous, upright, bushy rose about 1.5m tall, with glossy dark green leaves turning yellow in autumn, and highly fragrant, pure white, semi-double flowers 10cm in width, open from blush-tinted buds, flowering from summer to autumn, occasionally followed by red hips

Synonyms
Rosa rugosa 'Blanc Double de Coubert'
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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn White Yellow Red
Winter
Position
  • Full sun
Aspect

East–facing or South–facing or North–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Rosaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling
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.

Name status

Accepted

Horticultural Group
Rugosa roses are upright shrubs with very prickly stems bearing handsome, glossy, wrinkled foliage and fragrant, single or semi-double flowers in summer and autumn, often followed by large, tomato-like red hips

How to grow

Cultivation

Easy to grow, dense, compact rugosa rose. Grow in full sun with moderately fertile, humus-rich, moist but well-drained soil. For best flowering apply a balanced fertiliser and mulch in late winter or early spring and a balanced fertiliser again in early summer. Large fruits only set intermittently. Good autumn colour, suitable for hedging and tolerant of poor soil and shade. See also rose cultivation

Propagation

Propagate by hardwood cuttings in autumn or by chip budding in summer

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Cut flowers
  • Flower borders and beds
  • Hedging and screens
Pruning

Pruning group 20 (roses). Do not prune after flowering if hips are required

Pests

May be susceptible to aphids, leafhoppers, glasshouse red spider mite, scale insects, caterpillars large rose sawfly and rose leaf-rolling sawfly. Also rabbits and deer can cause damage

Diseases

May be susceptible to rose black spot, rose rust, replant disease, rose dieback, and rose powdery mildews. May also be susceptible to disorders rose blindness and flower balling and sometimes honey fungus

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