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Rhododendron (Tortoiseshell Group) 'Tortoiseshell Wonder'
  • RHS AGM

rhododendron 'Tortoiseshell Wonder'

A large evergreen shrub of compact, rather upright habit, with loose trusses of funnel-shaped, pale salmon-pink flowers flushed with orange, opening in mid spring to early summer

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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
10–20 years
Ultimate spread
1.5–2.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Orange Pink Green
Autumn Green
Winter Green
Position
  • Partial shade
Aspect

South–facing or East–facing or North–facing or West–facing

Exposure
Sheltered
Hardiness
H3
Botanical details
Family
Ericaceae
Native to the UK
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; 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
  • 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

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