Rosa 'Dunwich Rose' (SpH) | rose 'Dunwich Rose'

Synonyms

Rosa pimpinellifolia 'Dunwich Rose'
Rosa spinosissima 'Dunwich'
Rosa pimpinellifolia 'Dunwich'
Rosa spinosissima 'Dunwich Rose'

Roses Shrubs

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A vigorous, twiggy rose with arching stems forming a low hummock of fern-like foliage about 60cm high and twice that across. In early summer it bears a profusion of bowl-shaped, single, slightly-scented, creamy-white flowers, 6cm across, with prominent gold stamens

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

1-1.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 1-1.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: West–facing or South–facing or East–facing
Exposure: Exposed or Sheltered
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): H6

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Rosaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Potentially harmful: Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
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

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea: Spinosissima Hybrids are small, freely-suckering shrubs with prickly stems bearing neat, fern-like foliage, and cupped, single flowers in early summer, followed by spherical purplish to black fruits

How to Grow

Cultivation

Grows best in fertile, humus-rich, moist but well-drained soil in a sunny, open position, but tolerates most conditions. Mulch in late winter and, to improve flowering, apply a balanced fertiliser in late winter or early spring

Propagation

Propagate by semi-ripe cuttings in late summer or hardwood cuttings in autumn

Suggested planting locations and garden types

Coastal
Wildlife gardens
Cottage and informal garden
Flower borders and beds
Hedging and screens

Pruning

See pruning group 20 (shrub roses)

Pests

May be susceptible to aphids, including rose aphid, 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