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Eucalyptus cordata s. quadrangulosa

Heart leaved or Western Silver Gum of Tasmania

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

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Nursery Notes: Spring 2018

1 litre, 3 litre and 5 litre stock ready again June/July 2018

Cracking 9 litre ready now at around 2.0-2.4m above the pot


Botanical Name: Eucalyptus cordata subsp. quadrangulosa        MYRTACEÆ; Myrtle Family

Common Name: Western Silver Gum, Heart leaved Silver Gum, Silver Gum (Tasmania)

Status: Evergreen Tree

Origin: Endemic to only small areas of south-east Tasmania including Snug Tiers (love that name!)  and Mt Wellington.

Why we like this variety:-

  • Beautiful silvery specimen tree
  • Grows well in really difficult coastal conditions
  • Good for bees
  • Excellent shelterbelt/windbreak tree
  • Produces a useful domestic firewood crop

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 is very prunable and 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.
  • Hedges Screens 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

Shoots 'n Leaves: Young shoots are square in cross section and covered in white wax. They 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 Eucalyptus

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 generally 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.  Tolerant of salt laden winds and exposed conditions.
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).    The latter lives in cooler and wetter sites (better adaped to the UK)  than the eastern type and 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).


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