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 AWARD

PROSTANTHERA cuneata

Commonly known as Alpine mint bush

Minute leaves and large racemes of white flowers. The hardiest of all Prostantheras and a suitable rock plant
Further Reading....

  • Evergreen - rounded, entire leaves 6mm (¼in) long with wedge-shaped bases and rolled margins
  • White - with purple and yellow markings
  • Height - 30-90cm (12-36in)
  • Spread - 30-90cm (12-36in)
  • Dwarf shrub - Typically only grows to a maximum of one or two feet in height but there will be some exceptions. - erect to spreading shrub producing woody shoots
  • Hardy - average winter - Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
  • Full sun
  • Additional Features - Pests & Diseases - - red spider mite and whitefly in greenhouse
  • Place of origin - Australia (New South Wales to Tasmania)
  • Resistant to honey fungus - These plants have little or few problems with honey fungus.
  • Flower Shape - Racemes - - 20cm (8in) long
  • Tubular - broadly tubular 1.5cm (¾in) across
  • Garden Location/Conditions - Rockery (inc alpine) -
  • Hardiness - Frost hardy (down to -5) -
  • Pruning group - Pruning group 5
    Suitable for: Evergreen shrubs that require minimal pruning.
    Action: Trim or lightly cut back shoots that spoil symmetry. Deadhead regularly.
    When: Annually after flowering.

    RHS group 8
  • Scented Plants - Scented foliage - - very aromatic.
  • Seasonal Interest - Autumn -
  • Spring
  • Summer
  • Winter
  • Soil Conditions - Fertile moist well-drained soil - - in greenhouse - loam based potting compost full light
  • Wildlife - Bee friendly -
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Prostanthera - Growing Guide
30-90cm (12-36in)
Dwarf Shrub - guide for size not form Watering Can
  30-90cm (12-36in)
 

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