Rosa 'William Lobb' (CeMo)
rose 'William Lobb'
Very vigorous old garden rose about 2.5m tall, open in habit, with long, arching, mossy stems bearing rich green leaves. Very fragrant, large, semi-double, deep magenta-purple blooms, 9cm across, open from heavily-mossed buds, then fade to greyish-purple, once-flowering in midsummer; Laffay 1855
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
2–5 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Purple Red | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Rosaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Spreading branched
- 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
Accepted
- Horticultural Group
- Centifolia roses are lax bushes with thorny stems and double, usually fragrant flowers in summer
How to grow
Cultivation
Vigorous moss rose for growing in full sun with fertile, humus-rich, moist but well-drained soil. For best flowering apply a balanced fertiliser and mulch in late winter or early spring and a balanced fertiliser again in early summer - see rose cultivation. Tolerant of poor soil and suitable as a pillar or climbing rose
Propagation
Propagate by hardwood cuttings in autumn or by chip budding in summer
Suggested planting locations and garden types
- Cottage and informal garden
- Climber and wall shrubs
- Cut flowers
- Flower borders and beds
- Wall side borders
Pruning
See pruning group 20 (shrub roses); can be trained as a short climber, see pruning group 17 (climbing 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 and sometimes honey fungus. May also be susceptible to disorders rose blindness and flower balling
Get involved
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