Eucalyptus kybeanensis - Kybean Mallee Ash

Eucalyptus kybeanensis - Kybean Mallee Ash


A super variety well adapted to the UK climate & the smaller garden. Slower growing than its cousins, it develops gradually into an open, airy multi-stemmed bush & then a small tree.  Reminiscent of an Olive tree in appearance when young with its upright bushy habit and lanceolate green/silver leaves, but much hardier.

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Botanical Name:

  • Eucalyptus kybeanensis
  • MYRTACEÆ; Myrtle Family
  • Common Name: Kybean Mallee Ash
  • Status: Evergreen Tree
  • Origin: An uncommon mountain Eucalyptus from south-eastern Australis; Victoria and New South Wales

Nursery notes 2020: Summer into Autumn

Super quality 3 litre year 3 stock ready  now - really pleased with the way they have grown this year.

A few 20 litre specimen trees ready now

More 12 and 20 litre specimen stock growing on - hopefully ready Autumn of 2020

Eucalyptus kybeanensis is not available in 1 litre pots.


Description, habit, uses and attributes:

A super variety well adapted to the British climate and the smaller garden. Slower growing than its cousins, it develops gradually into an open, airy multi-stemmed bush and then a small tree.  The young trees respond well to shoot-tip-pruning in formative years, allowing you to control growth and habit.

Lignotuber:  it has one, which is a good thing! E. kybeanesis will regenerate off the lignotuber if cut down by man, beast or nature; producing a multi-stemmed mallee (multi-trunked specimen). It also produces many shoots from epicormic buds lying dormant beneath the bark higher up the tree; so E. kybeanesis will respond extremely well to both coppicing and pollarding practices. These buds are triggered into life, when the upper branches of the canopy are removed, either by a forest fire or you with loppers. The harder you prune, the more buds will shoot and develop.

How to use in the landscape and/or garden:

Good Specimen Tree for the wider landscape/for the smaller garden: Good Specimen Tree for the smaller and courtyard gardenGrowing a full sized standard. Planting the tree and running away is an option, but it wont necessarily give you the best results. We think that E. kybeanensis is best pruned once or twice a year.Pruning: once your tree has reached about 1.2m (4ft) in height, remove around 200-400mm (8-16 inches) off the leading shoot in April. You can repeat this exercise again in June, by lightly trimming back the growing points of the subsequent leading shoots; by a few inches. Repeat the pruning of all leading shoots every April until you have achieved the desired tree shape. As with all Eucs., choose a dry day for pruning to minimise the risk of silver leaf fungus disease.


Floral Art:  E. kybeanensis is not on the selected cut foliage list, but I find that it produces very good foliage for the house, with a vase life of around 3 weeks.  I don't  pollard the trees in the usual manner, but just snip off what I need, as required. Unlikely to give you a big yield.


Rural/Agricultural:  Green foliaged species, which looks more comfortable and not ‘foreign’ in a rural setting.



  • Bees: All Eucalyptus produce flowers with nectar and pollen, but this species flowers from November through to April making it a valuable source of food for winter foraging honey bees.
  • Habitat creation and Game Cover: this species lends itself to providing good trouble-free habitat creation for wildlife and game cover, when planted in groups, on free draining soils.
  • Birds enjoy roosting in Eucalyptus trees and Pheasants like rooting around underneath them.



  • Tolerant of cold and exposed growing environments inland. However, E. kybeanensis has a very fine, fibrous root system, which can be easily de-stabilised on windy sites.  It may be necessary to keep the tree pruned for its first couple of growing seasons to ensure good root establishment, before allowing it to grow taller into maturity.  Prune every spring, to develop a compact, bushy head.  Thick bark chip mulch, to a depth of 150 mm (6 inches) is essential to assist with good establishment
  • Tolerant of arid environments, poor stony dry soils once established. It is essential that your Euc. is given lots of water during its establishment phase before you abandon it to its fate.  The tree needs to establish a good root system before it can survive in these challenging conditions.


Patio Pot culture: E. kybeanensis can be grown in terrace pots, but do not be tempted to over-pot it, as the fine rootsystem will not develop properly. Grow in air-pot containers and increase the pot size gradually.




Shoots 'n Leaves: Young shoots are coated in fine white hairs, presumably to protect them against desiccation in exposed conditions.Juvenile foliage is small, thin, lanceolate, pointed. Begins bronze with purply shoots turning deep glossy green, and often held upright.Adult foliage is lanceolate, with rounded tips, in mid olive green to dark holly green, glossy.

Bark:  is very attractive; chocolate bark with white striations peels to reveal the smooth under layer of caramel/coffee coloured with a hint of olive green.


Flowers: This variety is fairly showy when in flower with small, white inflorescence held in groups of 7 to 11. Flowers from November through to April and smell of honey. Leaf Aroma: not overwhelming; faintly fruity eucalyptus


Rate of Growth: Relatively slow-growing for a Eucalyptus, still quite fast for an evergreen.Height in maturity, if left unpruned: medium term (about 8 years) around 4 metres tall, long term (20+ years) seldom exceeding 7m (about 25') tall. Prune to keep bushy and compact.


Hardiness:  Easily tolerates temperatures down to -14°C / -16°C but needs good drainage to succeed well.  Originating from high plateaux, E. kybeanensis is very  tolerant of exposure. The young trees in our nursery survived well, during the winter 2010/11  Hardiness in Eucalyptus is governed by provenance of seed, how it is grown (i.e. high nitrogen levels reduces cold tolerance), age of the tree - the older your tree, the hardier it will be (younger Eucs are more susceptible to frost damage). 



Planting Position and Soil Preference:


Ordinary garden soil in an open sunny position. It will tolerate exposed conditions, but we have no information as to whether it will tolerate salt laden winds.It prefers free draining soil, so avoid planting in areas prone to flooding. Very happy on stony, sandy ground and dry soils provided it is well watered during its first full growing season to get it established.Having said all the above, we have a ‘hedge-screen’ of E. kybeanensis some 30m long, growing very happily on our swampy, yellow clay; so it may be a great deal more tolerant than we give it credit.


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.



Meaning of the Name

kybeanensis: Richard Cambage first collected this variety in November 1908 near the Kydra Trig of the Kybean Range - part of the Great Dividing Range and 26 km from Nimmitabel, a town in south east New South Wales. However, the main populations of this variety are to be found on the high ground of the Australian Alps, especially around Victoria.


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