Rosa 'Dupontii' (S)
snowbush rose
A large shrub rose about 2m tall and wide, with grey-green foliage. In midsummer it produces large, fragrant, single, white flowers, sometimes pink tinged, with large golden stamens, in one flush of flowers, followed by a good display of orange-red, oval hips
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
5–10 yearsUltimate spread
1.5–2.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Grey Silver Green | |||
|---|---|---|---|---|
| Summer | White | Grey Silver Green | ||
| Autumn | Grey Silver Green | |||
| Winter |
Position
- Full sun
Aspect
West–facing or South–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical 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
- Shrub roses are large shrubs with usually thorny stems bearing large leaves and fragrant, single to double flowers in clusters in summer, and usually also in autumn
How to grow
Cultivation
Grows best in fertile, humus-rich, moist but well-drained soil in a sunny, open 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
- Cottage and informal garden
- Wildlife gardens
- Hedging and screens
- Flower borders and beds
Pruning
See pruning group 20 (shrub roses). Do not prune after flowering if fruit (hips) are required
Pests
May be susceptible to aphids, including rose aphid, which are the most common rose pest. May also be susceptible to 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
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
Get involved
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