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Eucalyptus pauciflora subsp. debeuzevillei – the Amazing Jounama Snow Gum – The No. 1 For Hardiness

Original price was: £79.00.Current price is: £60.00.

Eucalyptus pauciflora subsp. debeuzevillei

I love this tree. Crazy name for the most fabulous hard-working and beautiful Snow Gum.  In fact, once established, the Jounama Snow Gum is the most garden hardy of ALL the Eucalyptus species.  For all the jobs it can do for you – look at the ‘How to Use’ tab

If you are struggling with saying the botanical name – here’s my stab at it: pronounced Duh-burr-zee-vill-ee-eye.   Frankly, life is too short,  just call it the Jounama Snow Gum or in the nursery, we call them all Debi.  See the Trivia tab for more details on this matter.

The Jounama Snow Gum is an exceptionally hardy, small to medium sized Eucalypt with bags of personality and attitude, great for winter garden interest

Why we like this variety:

  • Gorgeous translucent, wine-red fresh spring growth
  • Beautifully detailed silver white, pearl-grey bark
  • Smaller tree – never grows into a monster
  • Great in a planter or terrace pot especially as a multistemmed plant
  • Easy – Normal to free draining soils including limestone

Sizes Quoted are the approximate height band of the tree above compost level, ie. the height of the tree once planted into the ground. Please note: Eucalyptus are living plants and can grow almost all year round, occasionally we may supply you with a plant that is slightly taller than your order. If this might cause you problems, please include a note with your order.

Click the dropdown below to view our different sizes & prices.



Eucalyptus pauciflora subsp. debeuzevillei

Down to the nitty gritty – Debi  (Eucalyptus pauciflora subsp. debeuzevillei – Jounama Snow Gum) is a member and sub-species of the pauciflora (Snow Gum) group.

A good specimen variety, it grows to form a relatively small to medium sized tree or mallee with an attractive crown.

If you follow our growing guidance notes, it takes about two full seasons to become established, before eventually shooting away strongly.

If you like this tree, but want something faster or taller? Check out its cousin Eucalyptus pauciflora subsp. pauciflora – White Sally.

Want something similar, but for a wettish clay soil?  Check out Eucalyptus stellulata – Black Sally

Biometrics for the Jounama Snow Gum

Shoots ‘n Leaves: Young shoots and emerging leaves on young plants are a striking translucent copper crimson with a white bloom (protective wax), which is very attractive when back lit by the sun…like stained-glass windows

Juvenile foliage – bags of attitude. Huge, boxy, almost oblong angular blue leaves of an incredibly thick leathery texture – very substantial and wind resistant

Adult foliage is of a blue/green hue maturing sometimes to glossy olive green. Leaves are often broadly lanceolate with prominent lateral veins.

Bark: Beautifully patterned bark.  Smooth, pearl grey to pure chalk white with an additional mosaic highlights of russet, cream, olive and silvery grey, which shreds in small flakes and ribbons from both the trunk and branches. Great when under-lit at night. Excellent Winter-garden interest

Flowers: White flowers in groups of 9 to 15. Loved by honey bees.

Leaf Aroma: fruity eucalyptus, but not overwhelming because it is a snow gum – see trivia

Rate of Growth: Medium rate of growth at 1.0-1.5m per year, once established – takes a couple of years to get its roots down, so slow to take off. Slow for a Eucalypt – still fast for an evergreen!

Height in maturity, if left unpruned:   Eucalyptus pauciflora subsp. debeuzevillei could reach approximately 8-10 m, after about 15-20 years. Easy to keep smaller by regular pruning – March 18th and end of May.

If pruned, it can be trained to form a bushy screening tree, a lollipop standard or a multi-stemmed bush like a species rose or coppiced Hazel tree.  Responds well to coppicing and pollarding, when done at the right time of year.  Unless you are growing for cut foliage, please refrain from voluntarily electing to prune your Eucalyptus from August through to February; it can kill it.     To receive monthly pruning and aftercare advice, sign up to our Gumnut Club – its free and you can unsubscribe at any time.  To subscribe – just call or ping us an email to [email protected]

Click here for a video on how to prune Eucalyptus

Click here to see our guidance notes on pruning with diagrams

Hardiness: Jounama Snow Gum is the hardiest of All Eucalyptus. Excellent hardiness rating, root-system should be happy down to around -18°C, once mature.

It has been introduced to Norway – which is impressive! Please note, if not encouraged to root deeply by planting correctly and given subsequent cultural support, younger trees are less tolerant of frost and may suffer exposure damage at low temperatures, in the early years.  See our Blog post on Hardiness in Eucalyptus.

Hardiness in Eucalyptus is governed by

  • provenance of seed (all our seed is sourced from the frostiest or coldest locations we can find)
  • how it is grown (i.e. high nitrogen levels reduces cold tolerance),
  • the age of the tree – the older your tree, the hardier it will be. Younger Eucs are more susceptible to frost damage, particularly if the preceding weather has been unseasonally warm.
  • how long it has been planted in the ground. The deeper you can encourage the rooting by digging a 0.5-0.6m (2 feet) deep planting pit at the time of installation, the quicker your tree will establish and you will increase its ability to survive cold winters. See our planting notes for more details.

Additional information

Weight 5 kg
Dimensions 150 × 30 × 30 cm

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Planting Position and Soil


  • Sun: Enjoys full sun and open sky above. Avoid shade cast by other tall trees and buildings.
  • Soil type: not as fussy as some of the alpine Eucs. happy in normal to free draining garden soils that are acidic, neutral and even alkaline pH. Snow gums are tolerant of alkaline ground including those with chunks of limestone. Please note that growth will be slower in higher alkalinity. In a garden setting, an annual supplement of Iron sequestrene in March will make it even happier and improve its depth of foliage colour. Also give Iron sequestrene to Japanese Maples, Hydrangea, Magnolia and similar calcifuge plants.
  • Soil moisture levels: Requires a free draining soil in winter, hates having wet feet.  Avoid swampy and non-draining clay soils
  • Water well during the summer, for 2 growing seasons, to ensure your tree establishes well.
  • Environment: Good in exposed locations once established – see ‘How to Use’ tab. It is very happy growing in cooler climates like the UK, but can be persuaded to grow in hotter countries, if given sufficient water in the summer months.


  • If planting a large number for firewood or cut foliage, subsoiling may be a good practice to follow, especially if pastureland has previously been used by livestock.
  • For the best results, follow our planting and aftercare watering instructions, issued with every order; they can also be found under the Help and Advice tab on this website.
  • Improve poor soils with our planting kit, at the time of planting.
  • To encourage deep rooting and therefore good stability, prepare a deep planting pit as per our instructions.
  • Ensure there is no competition from weeds or grass around the base of the young tree as this will seriously cramp its style and slow down establishment. Our research has found that grass around the trunks of newly planted Eucalypts can completely stop them from growing and may lead to failure
  • 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.

How to Use

How to use in the landscape and/or garden: How to grow or train it to get the best out of it

The hardiest of all Eucalyptus once established. Fabulous colourful tactile bark, beautiful French-blue juvenile foliage, nice table manners. Great Specimen Tree or multi-stem tree for the wider landscape, arboretum collection or avenue planting and for the smaller, medium and larger garden.

Commercially: a good choice for open public spaces, parks, business parks, university campus

Growing a full-sized standard: planting the tree and running away is an option, but it won’t necessarily give you the best results.

We suggest you maintain a leading shoot and tip prune the lateral shoots to encourage bushiness.  Keep all the sides shoots, but prune to control, as they are building up the strength of the main trunk.

  • To grow a large specimen, leave the tree to grow up naturally thereafter.
  • For a small tree, tip prune the leader when it reaches 1.2m, thereafter let the head develop. Then prune the tree every March 18th and end of May to keep your tree small and bushy.

For more, see our guidance notes for growing specimen Eucalyptus in our Help and Advice section and our Pruning Guidance Notes in our Blogs.

For monthly emails on how and when to prune and care for your Eucalyptus, sign up to our Gumnut Club and we’ll send you the Bush Telegraph – it’s totally free and you can unsubscribe at any time.

Growing shrub-on-a-stick clipped standard: this is an opportunity to grow a Eucalyptus in a confined space like a courtyard and also control its overall size. You can produce a small tree on a trunk with a height of anywhere between 2.4m (8ft) and 4m (12ft). Prune back growth every March 18th or thereabouts and tip prune the annual growth back by up to 90% at the end of May. Light tip pruning can be done again during July, but no later. Don’t prune from August through to February.

Growing a multi-stemmed bush or tree.  Eucalyptus pauciflora subsp. debeuzevillei will respond to coppicing and readily produces a multi-stemmed specimen, BUT ONLY once it has attained a trunk of some 125 mm in diameter. However, it is a snow gum and they generally do not enjoy regular, aggressive pruning practices such as pollarding and coppicing – so perhaps only every 5 years or so.  By all means light prune it annually.

Coppicing and Pollarding – Why would you want to do this?

To create:

  • a tree with more body or ‘mass’ of branches and foliage for screening purposes. Once grown back up to its full potential, it will now have several main trunks
  • an attractive multi-stemmed architectural tree, especially if it has exceptional bark
  • to control height, whereby your Euc can be usefully maintained anywhere between 2.4m (8ft) and 7m (20ft), but genetically it will want to grow taller if ignored.

REMEMBER: No grass, no weeds and a thick, boring (no frills) bark chip mulch, to a depth of 150 mm (6 inches) are essential to assist with good establishment. Our research trials have demonstrated that grass around the trunk of Eucalyptus prevent the trees from quickly establishing and can completely stop them from growing.

Pot Culture outdoors:  Eucalyptus pauciflora subsp. debeuzevillei  is an excellent choice and can be successfully grown as a multi-stemmed shrub in a container provided you are prepared to pot on at the recommended intervals and to supply it with sufficient water and food during the growing season.

Tip: prune back new spring growth on every shoot by 50% during the 1st week in June to keep a compact bushy habit. More serious pruning can be done earlier in March (National Eucalyptus Day is March 18th).

Always keep pot-grown Eucalyptus in the air-pot container system for healthy and happy trees.😊  They do not thrive in smooth-walled containers ☹

For Guidance Notes on how to successfully grow Eucs in pots, visit our Blog entitled ‘How to grow a Eucalyptus in a pot and keep it alive!’

Hedge-Screens:  Eucalyptus pauciflora subsp. debeuzevillei is a good choice for a hedge-screen as it readily produces sub-lateral shoots – i.e. branches off the side-branches and finds no problem in becoming bushy.  This is unusual for most Eucs.

Always prune your hedge-screen March 18th and maintain a profile like a capital ‘A’.  That is broad bottom, narrow shoulders and a flat head.  This allows light to all parts of the hedge and keeps it bushy.  If you let your hedge develop into the shape of a capital ‘V’, its bottom will open up…not a great look!

Floral Art:  Eucalyptus pauciflora subsp. debeuzevillei is not on our ‘Cut foliage’ list, but I see no reason why you could not use the odd branch in a vase of flowers. Its large juvenile leavess look great with Paeony, Hydrangea and Dahlias

Firewood Production:  Eucalyptus pauciflora subsp. debeuzevillei  is not on our selected species list for Biomass or Firewood.  Snow gums are too slow growing to make them viable for cropping. However, their wood does burn well – it’s very dense..

Do give us a call on our nursery mobile 07307 413 052 if you would like to discuss growing firewood with one of our consultants


  • Eucalyptus pauciflora subsp. debeuzevillei is extremely tough and will survive well in exposed conditions, provided it is planted deep, short cross stake and pruned to allow deep root establishment in its formative years. Root rock must be avoided at all costs. Planted as a screen for sheltering livestock either as single species or a mixed plantation is an option for free draining soils.


  • All Eucalyptus produce flowers with nectar and pollen, but this species has particularly spectacular flowers making it a real draw for honey bees and other pollinators.
  • 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, but see notes above under ‘agricultural use’. Birds enjoy roosting in Eucalyptus trees and Pheasants like rootling around underneath them.
  • Chickens: snow gums are light on eucalyptol – the highly aromatic oil. They don’t need it as they live high up in the cold mountains where flying biting bugs are less prevalent. So Eucalyptus pauciflora subsp. debeuzevillei is not as good as other species for chicken bedding. 


  • Growing on the Coast Snow gums have extra-thick leaf cuticles, which make them extremely tolerant of cold exposed conditions and salt laden winds, once mature in the ground. To make this work, we recommend that:
  1. you plant a smaller specimen (5 litre, around 1m-1.2m tall),
  2. encourage fast establishment in a deeply prepared planting pit (follow our planting advice), to encourage deep rooting to grow an upright, stable tree.
  • Staking will be required.
  1. Newly planted trees will very likely require a wind break shelter of netlon netting, sail cloth or paraweb for their first winter in the ground with you.
  2. Zero grass or weeds during the period of establishment is non-negotiable!
  • Shelter Belts and Windbreaks Eucalyptus pauciflora subsp. debeuzevillei can be grown to form a good evergreen windbreak when planted as a single species stand.  It can be mixed in with other plant species provided care is taken to mitigate competition from other plants whilst the Eucalyptus is establishing as they don’t compete well when young. We recommend that you establish the Eucalyptus for a year prior to planting additional species or you install an automatic irrigation system to ensure the Euc is receiving sufficient water.

We recommend

  • you plant a smaller specimen (less than 1.8m tall in a 5 litre air-pot) A multi-stemmed bush will be ideal.
  • encourage fast establishment in a deeply prepared planting pit (follow our planting advice), to encourage deep rooting to grow an upright, stable tree
  • Staking will be required
  • In very exposed locations, newly planted trees will very likely require a wind break shelter, such as netlon netting horticultural fleece, sail cloth or paraweb nailed on to sturdy tree stakes, for their first winter in the ground with you
  • Zero grass or weeds during the period of establishment is non-negotiable!
  • Drying up wet soils – nope. Not this species. She’s a snow gum and they hate boggy ground. Take a look at our swamp gums under ‘wet and clay soils’ instead.
  • Tolerant of cold and exposed growing environments inland Eucalyptus pauciflora subsp. debeuzevillei will grow in open fields and pasture, once established – growing requirements tab
  • Tolerant of poor stony soils once established Eucalyptus pauciflora subsp. debeuzevillei does not require a rich soil and can survive in poor, stony soils, once established. It is essential that your Euc. is given our recommended quantity of water for its first 2 growing seasons in your grounds, during its establishment phase before you abandon it to its fate.  The tree needs to establish a good, deep root system before it can survive in dry, challenging conditions. No grass, no weeds and a thick bark chip mulch, to a depth of 150 mm (6 inches) are essential to assist with good establishment. Growth on impoverished soils will always be reduced.

Nursery Notes and Trivia

Summer 2023 going into Autumn 2023 

  • Fabulous multi-stemmed bushes 60-90cm tall, 5 litre stock ready now
  • Beautiful standards in 9 litre airpots
  • 12 litre and 20 litre stock ready in the Autumn

Nursery Notes: For some unknown reason, we find a few Eucalypts resent being grown in very small nursery pots – they don’t thrive and ‘Teddy gets thrown out of the pram’!  E. debeuzevillei is one such and therefore are only available in 5 litre pots upwards. We grow most of them as multi-stems as we find this produces a very pleasing form. Beautiful standards are also available.    

Botanical Name: Eucalyptus pauciflora subsp. debeuzevillei, syn. E. debeuzevillei 

pronounced Duh-burr-zee-vill-ee-eye 

Common Name: Jounama Snow Gum

Status: Evergreen Tree                                     MYRTACEÆ; Myrtle Family

Lignotuber:  it has one, which is a good thing!  E. debeuzevillei will regenerate off the lignotuber 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. debeuzevillei will respond to both coppicing and pollarding practices, once large enough to tolerate it. However, remember it is a snow gum and won’t like frequent, aggressive pruning practices – so not too often please!

What is a lignotuber?  See our Blog post on the subject

Origin: Native of the sub-alpine habitats of  Eastern Australia, Jounama Peaks of New South Wales, but also grows in lowland habitats, where they are sometimes known as White Sallee.

Meaning of the name:

Eucalyptus pauciflora: Latin pauci-, few and florus, flowered, of the inflorescences, a misnomer.

subsp. debeuzevillei: after Wilfred Alexander Watt de Beuzeville (1884–1954). Wilfred de Beuzeville was born in Bombala, New South Wales, and spent his early career with the Forestry Commission of that state working initially in Warialda, later becoming District Forester at Tumut and eventually working with the Forest Products Division of CSIR. He published a book Australian Trees for Australian Planting (1947), and scientific papers. He was an experienced botanist and ecologist and collected numerous eucalypt specimens, often sampling variation in a species at a locality or across altitudinal gradients. (source: Euclid)

The origin of the name Beuzeville is unknown; however the 19th century French historian Charpillon suggests that Beuze was derived from Boson, an influential family in early Norman times


Interesting Notes:

The Snow Gums are members of the Blue-leaved Ash groups of Eucalypts, preferring free draining soils. Mainly from mountainous regions, they are very well adapted to survive harsh winter conditions.  Strikingly flexible branches bend almost to vertical in heavy snow, to avoid snapping and to shed the load. New growth can be weeping in habit until later summer, when it lays down fibre and becomes more upright.

They are a slower growing member of the Euc clan. Their growth is considered and their wood is very dense

If cut down by excessively harsh weather conditions they can not only grow back through their seed (but only in Australia, not in the UK), but trees can produce epicormic shoots from buds lying dormant beneath the bark and also from lignotubers.  E. pauci. subsp debeuzevillei has a lignotuber (a woody doughnut like structure where the trunk meets the root plate), which will generate new growth if the tree is coppiced.  However, the Snow Gums do not respond well to regular, aggressive coppicing.

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