Eucalyptus cordata subsp. quadrangulosa
Heart leaved or Western Silver Gum of Tasmania
Why we like this species:
- Grows well in really difficult wet ’n windy coastal conditions
- Good for bees, providing pollen and nectar
- Excellent shelterbelt/windbreak tree
- Produces a useful domestic firewood crop
- Beautiful silvery stately specimen tree, looks good in an Arboretum
Great for coastal gardens, wind breaks/shelter belts and small scale firewood production. Good bark detail. Provides nectar and pollen for bees. Grows into a stately specimen, which looks good in an Arboretum.
Call us on 0751 526 1511 for assistance in choosing your Eucalyptus.
- Eucalyptus cordata subsp. quadrangulosa
- MYRTACEÆ; Myrtle Family
- Common Name: Heart leaved or Western Silver Gum of Tasmania
- Status: Evergreen Tree
- Origin: Endemic to only small areas of south-east Tasmania including Snug Tiers (love that name!) and Mt Wellington.
Nursery Notes 2019: Late Summer/Early Autumn
New 3 litre stock ready now.
Mature 2 year old 3 litre stock - heavy duty with very sturdy trunks available still.
Nice 5 litre trees ready now and of a good size - instant tree
12 litre standards ready now - heavy duty at 12-14 girth
Description, habit, uses and attributes:
Eucalyptus cordata subsp. quadrangulosa is a beautiful tree of dense upright bushy habit; of pyramidal habit with branches being retained right down to ground level. It was introduced to the British Isles around 1900, but is rare in cultivation, which is a shame!
Lignotuber: forms a lignotuber, so will regenerate off the root system, if cut down by man, beast or nature. It also produces many shoots from epicormic buds lying dormant beneath the bark higher up the tree; so E. cord. subsp. quadrangulosa will respond extremely well to both coppicing and pollarding practices.
How to use in the landscape and/or garden:
Good Specimen Tree for the wider landscape and for the medium-large garden. Good in an arboretum - makes quite a vertical statement of silvery blue foliage, not dissimilar from Abies species when viewed from a distance.
Hedge-Screens and Windbreaks: One of the very best species for coastal planting being very wind tolerant and can also cope with salt laden winds. Equally E. cord. subsp. quadrangulosa makes for good shelterbelt planting inland in areas with a mild climate: west coast of Scotland, England, Wales and Cornwall, Isle of Man, Ireland and the Channel Isles etc.. It will happily grow on the easterly side of the UK in areas which do not go below -12°C for prolonged periods. In the domestic setting, it will give good privacy screening due to its dense bushy habit, which will be improved with pruning.
Rural/Agricultural: Shelterbelt planting to protect crops and livestock in windy locations. Could also be planted in a mixed or single specimen stand as game cover (being managed through alternate tree coppicing, if required and making use of the thinnings as firewood).
Firewood Production: for small scale production E. cord. subsp. quadrangulosa can double up as shelterbelt and be coppiced for firewood log use. It is certainly a good species for shelterbelt planting to protect other highly productive firewood species on a commercial scale.
Ecology: Very productive Eucalyptus species, providing good quality pollen and nectar for honey bees (and other bees).
Environmental: shelterbelt planting with E. cord. subsp. quadrangulosa prevents soil erosion on bare site in exposed locations, whilst allowing other tree and shrubs species to establish, including cut foliage plantations.
Shoots 'n Leaves: Young shoots are square in cross section and covered in white wax. They can ultimately give way to round branches - sometimes
Juvenile foliage: silvery white and heart shaped, often with a crinkly edge - covered in white wax and retained into adulthood, along with some intermediate foliage.
Adult foliage: typical willowy foliage is produced only at the very tops of very old trees
Bark: beautiful feature, smooth chalky white with hints of violet, french blue, coffee and pale olive green.
Flowers: quite large, white, in groups of 3 produced late summer in prolific quantity
Leaf Aroma: strong aroma of typical Eucalyptol
Rate of Growth: Rate of growth is fast and tree form is good. Around 1-1.5m per annum
Height in maturity, if left unpruned: approximately 10-15m, could get up to 20m, left to its own devices. If regularly coppiced will take on the size and shape of a coppiced Hazel tree
Hardiness: Once established, E. cord. subsp. quadrangulosa will tolerate down to -8 to -10°C. Severe damage to the trees will occur at around -12°C to -14°C for prolonged periods. There is however, documented evidence of a specimen growing in the front garden of a house in Shipley, Yorkshire, which survived the winter of 2010-2011, so some individual trees of E. cord. subsp. quadrangulosa appear to be tougher than we first thought!
Planting position and soil preference:
Enjoys full sun in a wide range of soil types from alkaline through neutral to acidic; also normal and moist soils and swampy type ground. Tolerant of salt laden winds and exposed conditions. Very unhappy if allowed to dry out completely - will go brown and crispy, so avoid planting on free draining embankments and very dry/free draining sites.
Make life easier for you and your new tree: Plant with the mycorrhizal fungi product Rootgrow. Eucalyptus in particular have a special, lifelong relationship with their root fungi, the latter of which actively transport food and water directly into the tree roots, helping your new Euc establish faster and more efficiently, particularly in challenging types of soil.
Note: There are two types of E. cordata: the eastern form (subsp. cordata) and the western form (subsp. quadrangulosa). E cordata subsp. quadrangulosa originates from cooler and wetter sites in New Zealand and is therefore better adapted, than the eastern type, to the UK climate; it also has the square branches.
Meaning of the name:
Eucalyptus cordata: botanical Latin cordatus, heart-shaped, refers to the leaves. Quadrangulosa refers to the square branchlets which is a distinguishing feature.
E. cord. subsp. quadrangulosa is closely related to other endemic alpine white gums (E. morrisbyi, E. gunnii, E. archeri and E. urnigera).