Eucalyptus kybeanensis

RHS Plant Profile

Kybean mallee ash

Trees

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An evergreen tree, usually growing to no more than 7m (23ft) in the UK. bark is a rich chocolate brown with white striations, which when shed exposes lighter brown bark beneath. Juvenile foliage is lance-shaped and a bronze purple when young maturing to dark green. Adult foliage is lance-shaped and a glossy dark green. The foliage is lightly aromatic. White flowers are produced from late autumn through winter and are honey-scented. A high altitude eucalyptus in its native habitat, it can tolerate colder gardens in the UK well once mature, provided the soil is well drained.

Position

Full sun

Soil Types

Loam, Sand, Clay

Max Height

4-8 metres

Max Spread

2.5-4 metres

Size

Time to Maturity: 10–20 years
Max Spread: 2.5-4 metres
Max Height: 4-8 metres

Growing Conditions

Loam Sand Clay

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

Position

Full sun

Aspect: South–facing or West–facing or East–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): H5

Colour & Scent

Fragrance Flower Foliage

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Myrtaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Eucalyptus are evergreen trees or large shrubs, often fast-growing, some with attractive bark, most with aromatic foliage, and clusters of small, white, yellow or red flowers
Name Status: Correct
Plant Range: SE Australia

How to Grow

Cultivation

Grows best in slightly acidic, moist but well drained soil in full sun, but unlike many other eucalypts will also tolerate wetter soils. Shelter from cold, drying winds especially when young. See eucalyptus cultivation

Propagation

Propagate by seed or semi-ripe cuttings

Suggested planting locations and garden types

Architectural
City and courtyard gardens
Coastal
Cottage and informal garden
Mediterranean climate plants

Pruning

Pruning group 1 or, for best juvenile foliage, pruning group 7 For more information see Eucalyptus: pruning

Pests

May be susceptible to eucalyptus gall wasp and eucalyptus sucker

Diseases

May be susceptible to silver leaf, oedema and honey fungus