Olearia × mollis (Kirk) Cockayne

RHS Plant Profile

daisy bush

John Fielding

Shrubs

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An evergreen shrub up to 2m high, with narrow, sharply-toothed, dark olive-green leaves to 10cm long, with fine white hairs on the undersides. Rounded clusters of small, white flowers are produced in late spring

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 1.5-2.5 metres
Max Height: 1.5-2.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–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

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, Spreading branched
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 fertile, well drained soil in full sun. Thrives in chalky soils and handles coastal exposure well. In areas with hard winters, grow in a cool or temperate greenhouse, or in containers that can be moved indoors over winter

Propagation

Propagate by semi-ripe cuttings in summer

Suggested planting locations and garden types

Coastal

Pruning

Pruning group 8. Trim lightly to maintain a compact habit. Can tolerate hard pruning if necessary

Pests

Generally pest-free

Diseases

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