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Rhododendron hanceanum Nanum Group

A group of dwarf evergreen rhododendrons, 20 to 50cm high, with small, elliptic, dark green leaves, 2-3.5cm long. New growth is bronze on some cultivars. Flowers are bell-shaped and often profuse, in shades from pale cream to bright yellow, produced in early and mid spring

Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
10–20 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid
Colour & scent
StemFlowerFoliageFruit
Spring Cream Yellow Green Bronze
Summer Green
Autumn Green
Winter Green
Position
  • Partial shade
Aspect

East–facing or °Â±ð²õ³Ù–f²¹³¦¾±²Ô²µ

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, humus rich, acidic soil, in partial or dappled shade. Choose a site away from frost pockets and sheltered from strong winds. Mulch annually, ideally with leaf mould. See rhododendron cultivation for more detailed advice

Propagation

Propagate by semi-hardwood cuttings in late summer

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

Pruning group 8 (evergreens)

Pests

May be susceptible to vine weevil, whitefly, rhododendron leafhopper, lacebugs, scale insects, caterpillars and aphids

Diseases

May be susceptible to rhododendron diseases including rhododendron bud blast and rhododendron petal blight, as well as powdery mildews, honey fungus, rust, leafy gall, silver leaf and Phytophthora root and shoot rots

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