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RosesClimber Wall Shrub

Rosa Mountain Snow ('Aussnow') (Ra)

rose [Mountain Snow]

A rambling rose up to 5m high with abundant dark green leaves and huge clusters of lightly scented, semi-double, white flowers, with golden stamens, flowering in one flush in summer; D. Austin 1985

Synonyms

Rosa 'Aussnow'

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Ultimate height

4–8 metres

Time to ultimate height

5–10 years

Ultimate spread

2.5–4 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

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)

Botanical details

Family: Rosaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Climbing
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: Rambler roses are vigorous shrubs with long, arching, thorny or smooth stems carrying glossy foliage and large sprays of small, single or double, often fragrant flowers in early summer

How to grow

Cultivation

Grow in full sun in moderately fertile, humus-rich, moist but well-drained soil, on a large arch, pergola, wall or fence, or into a tree; for more advice, see rose cultivation

Propagation

Propagate by hardwood cuttings in autumn, by softwood cuttings under glass in spring and summer, or by T-budding in summer

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Hedging and screens
Wall side borders
Cut flowers

Pruning

Pruning group 18 (rambling roses)

Pests

May be susceptible to aphids, rose leafhopper, glasshouse red spider mite, scale insects, caterpillars and rose leaf-rolling sawfly. Deer and rabbits can 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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