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Rhododendron ponticum

Garden

Wishlist

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Features

  • BloomsJune to July
  • Height4m to 8m
  • Spread4m to 6.5m
  • Growth HabitIrregular bushy
  • Flower ColourRed purple, white
  • Leaf ColourGlossy dark green

Description

Rhododendron ponticum. This is a tall shrub with glossy deep green, oblong to lance-shaped leaves which are about 20cm long. The flowers will open in late spring, are about 5cm long, funnel-shaped and either purple-red, pink or white. This is the shrub which has become invasive in woodlands in western Europe and parts of New Zealand.

Characteristics

Woody perennial, Evergreen, Shrub or Tree

Origin

Spain, Turkey

Interest and use

Specimen, hedging. Suitable for coastal conditions.

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Needs

  • LightShade
  • HardinessFully hardy (min -15°C)
  • SoilLight, Medium
  • Soil pH5.0 to 7.0
  • WaterMoist

Cultivation

There are many species but they all share the same general cultivation needs. They will need loose open, well-aerated, acidic soil with plenty of humus to retain moisture. In wet areas or gardens with alkaline soil you should plant them in raised beds.

Propagation

Propagate by simple layering, dropping or semi-ripe cuttings in late summer.

Pests, diseases or disorders

Yellowing leaves are usually caused by poor drainage, excessively deep planting or lime in soil. Weevils and powdery mildew may also cause problems.

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