Olearia traversiorum

RHS Plant Profile

Chatham Island tree daisy

Other common names

ake-ake

Synonyms

Olearia traversii

Shrubs Trees

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An upright evergreen shrub or small tree to a height of up to 10m. It has small green oval-shaped leaves that are white and downy underneath. In early spring, unspectacular dull white flowers are borne.

Position

Full sun

Soil Types

Sand, Loam, Chalk

Max Height

8-12 metres

Max Spread

4-8 metres

Size

Time to Maturity: 10–20 years
Max Spread: 4-8 metres
Max Height: 8-12 metres

Growing Conditions

Sand Loam Chalk

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or East–facing or West–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H4
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Columnar upright
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 a sunny position in well-drained soil. Makes a good windbreak or hedge in coastal areas

Propagation

Propagate by softwood cuttings or semi-ripe cuttings from summer to autumn Propagate by hardwood cuttings in winter

Suggested planting locations and garden types

Architectural
City and courtyard gardens
Coastal
Gravel garden
Mediterranean climate plants
Wildlife gardens
Low Maintenance
Flower borders and beds
Hedging and screens

Pruning

Pruning group 8. In freestanding specimens allow to develop naturally. To keep within bounds, cut out one third to half of the previous year's growth after flowewring. If required, can be hard pruned and will regenerate well from low down

Pests

Generally pest-free

Diseases

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