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Rhododendron 'Grumpy'

rhododendron 'Grumpy'

A small evergreen shrub of compact, spreading habit with dark green leaves to 8cm long; funnel-shaped flowers, orange in bud,open cream, tinged pale pink at margins, spotted with orange-yellow and produced in rounded trusses, late spring to early summer

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
5–10 years
Ultimate spread
0.5–1 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid
Colour & scent
StemFlowerFoliageFruit
Spring Cream Orange Pink Yellow Green
Summer Green
Autumn Green
Winter Green
Position
  • Partial shade
Aspect

North–facing or East–facing or West–facing

Exposure
Sheltered
Hardiness
H5
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
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 from cold winds; see rhododendron cultivation

Propagation

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

Suggested planting locations and garden types
  • Cottage and informal garden
  • City and courtyard gardens
  • Patio and container plants
  • Flower borders and beds
Pruning

Pruning group 8

Pests

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

Diseases

May be susceptible to Rhododendron diseases, powdery mildews, rhododendron petal blight, rhododendron bud blast, silver leaf and honey fungus

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