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Rosa glomerata (Cl)
  • RHS Plants for pollinators

Very vigorous and rampant rambler rose to about 9m tall, ideal for growing through a large tree. Thorny stems bear dark green leaves with hairy leaflets, purplish beneath and very fragrant, small, creamy-white single blooms are produced in large, dense panicles in summer followed by masses of small orange fruits (hips)

Size
Ultimate height
8–12 metres
Time to ultimate height
5–10 years
Ultimate spread
4–8 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Purple
Summer White Green Purple
Autumn Green Purple Orange
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H5
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
Climbing roses are vigorous shrubs with thorny stems and large, solitary or clustered, often fragrant, usually remontant flowers

How to grow

Cultivation

Grow in fertile, humus-rich, moist but well-drained soil in full sun or partial shade. Ideal grown through a large, established tree. Mulch with well-rotted organic matter in late winter or early spring, and for best flowering apply a general rose or shrub fertiliser in early spring and again in early summer. See rose cultivation

Propagation

Propagate by softwood cuttings in early to mid spring, hardwood cuttings in late summer to autumn or by chip budding in summer; propagate by seed; species roses can be propagated by seed but need stratification and germination may take two seasons

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildlife gardens
  • Climber and wall shrubs
Pruning

See pruning group 18 (rambling roses)

Pests

May be susceptible to aphids, rose leafhopper, glasshouse red spider mite, scale insects, caterpillars, large rose sawfly, rose slugworm sawfly 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 mildew. May also be susceptible to disorders rose blindness and flower balling and sometimes honey fungus

Get involved

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