Rosa Alexander ('Harlex') (HT)
rose [Alexander]
A medium-sized bush rose to 2m, of upright growth with copious dark, glossy foliage and bright vermilion-red double flowers opening from pointed buds, to 12cm in width in summer and autumn
Buy this plant
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Orange Red | Green | ||
| Autumn | Orange Red | Green | ||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Rosaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Potentially harmful
- Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamentl - 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
Trade
- Horticultural Group
- Hybrid Tea, or Large-flowered bush roses are upright, thorny shrubs with large, usually glossy leaves and large, double often fragrant flowers that may be solitary or in threes
How to grow
Cultivation
Vigorous upright bush rose can be trained as a short climber; prefers a sheltered position in full sun and moderately 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 fertilizer again in early summer. Tolerant of poor soils and a little shade. Suitable for hedging and good for cut flowers. See rose cultivation for further advice.
Propagation
Propagate by hardwood cuttings in autumn or by chip budding in summer
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Flower borders and beds
- Hedging and screens
- Cut flowers
Pruning
Pruning group 15 (roses)
Pests
May be susceptible to aphids, rose leafhopper, glasshouse red spider mite, scale insects, caterpillars large rose sawfly and rose leaf-rolling sawfly. Also rabbits and deer can cause damage
Diseases
May be susceptible to rose black spot, rose rust, replant disease, rose dieback, and rose powdery mildews. May also be susceptible to disorders rose blindness and flower balling and sometimes honey fungus
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.