Rosa glomerata (Cl)
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 metresTime to ultimate height
5–10 yearsUltimate spread
4–8 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| 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
H5Botanical 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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