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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
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Search by plant name, key attributes or both to find plant details and a list of
AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
© RHS 1984
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Other common names
rose 'Blanche Double de Coubert'
Rosa rugosa 'Blanc Double de Coubert'
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
'Blanche Double de Coubert' is a vigorous, upright medium-sized shrub with glossy mid-green leaves turning yellow in autumn, and highly fragrant, pure white, semi-double flowers 10cm in width, flowering from summer to autumn, occasionally followed by red hips
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect North-facing or East-facing or South-facing or West-facing
Exposure Sheltered or Exposed
MoistureWell-drained, Moist but well-drained
SoilClay, Loam, Sand, Chalk
pHAcid, Alkaline, Neutral
Time to ultimate height
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
Propagate by hardwood cuttings in autumn or by chip budding in summer
Suggested planting locations and garden types
Cut Flowers Flower borders and beds Hedging & Screens
Coastal City & Courtyard Gardens Cottage & Informal Garden
Pruning Pruning group 20 (roses). Do not prune after flowering if hips are required
Pests Aphids, rose leafhopper, glasshouse red spider mite, scale insects, caterpillars, large rose sawfly and rose leaf-rolling sawfly may be a problem. Deer and rabbits can cause damage
May be affected by black spot, rose rust, downy mildews and rose powdery mildew
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
rose 'Blanche Double de Coubert'
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