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

Rhododendron 'Coccineum Speciosum' (G)

rhododendron 'Coccineum Speciosum'

'Coccineum Speciosum' is a bushy deciduous azalea, to 2m tall, with small dark green leaves, turning yellow or orange in autumn. Fragrant flowers in lax trusses of up to 14 funnel-shaped flowers, each 4cm wide, are brilliant orange-red with a strong orange blotch and long orange stamens, in late spring

Buy this plant
Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
5–10 years
Ultimate spread
1.5–2.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid
Colour & scent
StemFlowerFoliageFruit
Spring Orange Red Green
Summer Orange Red Green
Autumn Orange Red
Winter
Position
  • Full sun
  • Partial shade
Aspect

West–facing or East–facing or South–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Ericaceae
Native to GB / Ireland
No
Foliage
Deciduous
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

Horticultural Group
Ghent azaleas are hardy deciduous shrubs derived from R. luteum and various American species. They have slender-tubed, funnel-shaped, usually fragrant flowers in early summer, in shades of pink, yellow, orange, red and white

How to grow

Cultivation

Suitable for an open site but best grown in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; see rhododendron cultivation

Propagation

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

Suggested planting locations and garden types
  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds
  • Hedging and screens
Pruning

Pruning group 1

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.