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Trees

Eucalyptus rodwayi

swamp peppermint

A medium-sized, evergreen tree, with a mature height of up to 25m. The bark is mid-grey and brown, paler on the younger branches. Both the juvenile and adult foliage is lance-shaped and a glossy deep green. The foliage and stems have a typical eucalyptus aroma when crushed. Flowers are white and produced in summer and autumn, followed by woody fruit capsules

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Ultimate height

Higher than 12 metres

Time to ultimate height

10–20 years

Ultimate spread

Wider than 8 metres

Clay

Loam

Sand

Moisture

Moist but well–drained, Well–drained, Poorly–drained

pH

Alkaline, Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing or East–facing

Exposure

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)

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: Australia (Tasmania)

How to grow

Cultivation

Grows best in full sun and a mildly acidic, neutral, or mildly alkaline soil that is moist but well-drained; but can also tolerate wetter soils better than many eucalypts. Able to withstand cold temperatures when mature, but shelter from cold, drying winds especially when young. See eucalyptus cultivation

Propagation

Propagate by seed at 13-18°C in spring and summer

Suggested planting locations and garden types

Architectural
City and courtyard gardens
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

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