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RosesClimber Wall ShrubShrubs

Rosa multiflora var. cathayensis (Ra)

Chinese many-flowered rose

A large rambler rose with that can make a large shrub, or be trained as a climber; the stems have few thorns. Fragrant, rosy-pink single blooms, paler in the centre, are produced in large clusters in mid-summer, followed by pea-sized, orange-red hips

Synonyms

Rosa gentiliana H. Lév. & Variot

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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, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or North–facing or West–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: Correct
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
Plant range: W China

How to grow

Cultivation

Grows best in fertile, humus-rich, moist but well-drained soil in a sunny, open position, but tolerates a wide range of 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

Cottage and informal garden
Wildlife gardens
Banks and slopes
Wall side borders
Climber and wall shrubs

Pruning

Pruning group 18 (rambler roses); don't prune after flowering if fruits (hips) are required

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, canker, honey fungus and a virus

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