Rosa [The Alnwick Rose] ('Ausgrab') (S)

RHS

Other common names

rose [Alnwick Castle]

Synonyms

Rosa 'Ausgrab', Rosa 'The Alnwick Rose', Rosa [Alnwick Castle]

Roses Shrubs

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A bushy shrub rose, to 1.2m tall, bearing clusters of fragrant, fully double, cupped soft-pink flowers, with paler pink outer petals, repeat-flowering from summer into autumn; David Austin 2001

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full sun Partial shade

Aspect: South–facing or East–facing or West–facing
Exposure: 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: Trade
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: 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, but will tolerate poorer soils. mulch in late winter and, to improve flowering, apply a balanced fertiliser in late winter or early spring and again in early summer. See rose cultivation

Propagation

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

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Cut flowers
Hedging and screens
Flower borders and beds

Pruning

See pruning group 21 (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 and rose powdery mildew, the most common rose diseases. Can also be affected by rose dieback, replant disease, a canker, honey fungus and a virus