Rubus cockburnianus (F)
white-stemmed bramble
R. cockburnianus is a thicket-forming shrub which has arching prickly shoots with a brilliant white bloom in winter. Pinnate leaves 20cm long with lance-shaped leaflets are dark green above and white-hairy beneath. Racemes of saucer-shaped purple flowers 1cm across are followed by rounded unpalatable black fruits
Size
Ultimate height
2.5–4 metresTime to ultimate height
5–10 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Purple | Green | Black | |
| Autumn | Green | |||
| Winter | White |
Position
- Full sun
Aspect
South–facing or East–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Rosaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Suckering
- Genus
Rubus can be deciduous or evergreen shrubs, often scrambling with bristly or prickly stems bearing simple, lobed, palmate or pinnate leaves and 5-petalled flowers followed by juicy, sometimes edible fruits
- Name status
Correct
- Plant range
- N and C China
How to grow
Cultivation
Easy to grow in well-drained moderately fertile soil in full sun
Propagation
Propagate by softwood cuttings in summer or hardwood and root cuttings in early winter
Suggested planting locations and garden types
- Cottage and informal garden
- Banks and slopes
Pruning
Pests
Generally pest-free
Diseases
May be susceptible to grey moulds and honey fungus (rarely)
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