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Rosa rugosa 'Alba' (Ru)

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© RHS

Characteristics

Plant type

Rose or Shrub

Habit

Bushy

Fragrance

Flower

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

White in Autumn and Summer

Foliage

Green in Spring and Summer
Yellow in Autumn

Fruit

Red in Autumn and Summer

Size

Ultimate height

1-1.5 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

2-5 years


Preferred common name

white wrinkled rose

Family

Rosaceae


Rosa can be deciduous or semi-evergreen shrubs or scrambling climbers, with usually thorny stems bearing pinnate leaves and solitary or clustered, 5-petalled flowers followed by showy red or purple fruits

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

'Alba' is a vigorous medium-sized shrub with plentiful glossy, rich green foliage turning yellow in autumn. Fragrant, pure white, single flowers 9cm wide open in summer and autumn, followed by large scarlet hips

Other common names

  • Ramanas rose
  • white Japanese rose

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing, North-facing, West-facing or East-facing
  • Exposed or Sheltered

Cultivation

Grow in full sun with fertile, humus-rich, moist but well-drained soil. For best flowering apply a balanced fertiliser and mulch in late winter or early spring. Tolerant of poor soil and shade, suitable for hedging

Soil

  • Well-drained or Moist but well-drained
  • Acid, Alkaline or Neutral
  • Clay, Loam, Sand or Chalk

Propagation

Propagate by hardwood cuttings in autumn or by budding in summer

Suggested planting locations and garden types

Coastal, Cottage/Informal Garden, Flower borders and beds, Hedging/Screens or Wildlife Gardens


How to care

Pruning

Pruning group 20 (roses)

Pests

aphids, leafhoppers, glasshouse red spider mite, scale insects, caterpillars and rose leaf-rolling sawfly may be a problem. Rabbits and deer can cause damage

Diseases

May be affected by black spot, rose rust and powdery mildews