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Olearia macrodonta
  • RHS AGM
  • RHS Plants for pollinators

New Zealand holly

A vigorous, evergreen upright shrub or small tree to 6m in height, with spiny-toothed, ovate, grey-green leaves, white-felted beneath, up to 9cm in length. Small, fragrant white flowers are borne in large clusters in summer

Synonyms
Olearia dentata
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Size
Ultimate height
2.5–4 metres
Time to ultimate height
10–20 years
Ultimate spread
2.5–4 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver White
Summer White Green Grey Silver White
Autumn Green Grey Silver White
Winter Green Grey Silver White
Position
  • Full sun
Aspect

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

Exposure
Exposed or Sheltered
Drought resistance
Yes
Hardiness
H4
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Genus

Olearia can be evergreen shrubs, small trees or herbaceous perennials, with simple, leathery, toothed or entire leaves and corymbs of daisy-like flower-heads

Name status

Correct

Plant range
New Zealand

How to grow

Cultivation

Grow in well-drained soil in full sun

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types
  • Coastal
  • Architectural
  • Cottage and informal garden
  • Mediterranean climate plants
  • Wildlife gardens
  • Low Maintenance
  • Hedging and screens
  • Wall side borders
Pruning

Pruning group 9

Pests

Generally pest-free

Diseases

Generally disease-free but may be susceptible to honey fungus (rarely)

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