Not the plant you're looking for? Search over 300,000 plants

Rhododendron racemosum 'Rock Rose'

rhododendron 'Rock Rose'

'Rock Rose' is a compact, upright, evergreen shrub, to 2m tall, with small leathery, mid to dark green oval leaves, glaucous beneath. Abundant, bright rose-pink, funnel-shaped flowers, 2.5cm in width, are clustered along the shoots in early spring

Join the RHS

Become an RHS Member today and save 25% on your first year

Join now
Buy this plant
Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
10–20 years
Ultimate spread
1–1.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid
Colour & scent
StemFlowerFoliageFruit
Spring Pink Green Grey Silver
Summer Green Grey Silver
Autumn Green Grey Silver
Winter Green Grey Silver
Position
  • Full sun
  • Partial shade
Aspect

West–facing or South–facing or East–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Ericaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Harmful if eaten. Wear gloves and other protective equipment when handling. Pets (dogs, cats, rabbits, tortoises) Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus

Rhododendron can be evergreen or deciduous shrubs or trees, with simple leaves, sometimes with a dense colourful indumentum of hairs on the lower side, and funnel-shaped, bell-shaped or tubular flowers that may be solitary or in short racemes

Name status

Accepted

How to grow

Cultivation

Grow in moist but well-drained, leafy humus-rich, acid soil, in part shade with shelter. Shallow planting is essential, deep planting will not be tolerated. Suitable for small gardens. See rhododendron cultivation

Propagation

Propagate by seed when ripe, or semi-ripe cuttings in late summer, layering in autumn or grafting in late summer or late winter

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Low Maintenance
  • Hedging and screens
Pruning

Pruning group 8

Pests

May be susceptible to vine weevil, rhododendron and azalea whitefly, rhododendron leafhopper, pieris lacebug, scale insects, caterpillars and aphids

Diseases

May be susceptible to various Rhododendron diseases including powdery mildews, rhododendron petal blight, rhododendron bud blast, silver leaf and 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.