Bark is smooth Eucalyptus Neglecta 'Big O' is a fast and very fast growing tree that can be grown in USDA Plant Hardiness Zones 7A through 11. Bark is smooth the base of the trunk or with rough bark on most of the trunk. Where it will grow: USDA Zone 4 to 9, hardy to -30 degrees Fahrenheit (-34 degrees Celsius). AG017: Agave schottii COLD HARDY CACTUS. Luckily, there are many hardy tropical looking plants that will thrive in zone 6, and a few that will survive with some protection. We are now releasing our new spring crop and some overwintered 1 and 3 gallons. They are water-lovers that range in size from 8 to 20 feet tall and are content in full sun. Grows as a mallee to 6m high or as an untidy tree to 9m high. country and in valleys in woodland, open forest and forest. Gard. Vol.99. Grows as a tree to 25m high. regions in forest. Hardy Eucalyptus are for the most part very drought tolerant. Eucalyptus gunnii Hook. on slopes and mountain tops in tall open forest. In cold climates these plants are commonly grown in containers as either shrubs or annuals. Eucalyptus neglecta Maiden (See 'Hardy Eucs' website) It occurs from the northern tablelands of New South Tree to 50m. One factor affecting eucalypt survival is temperature. through New South Wales to near Melbourne in Victoria where it grows on the of the tree. 'Big O' will thrive in zone 7A and further south. It occurs in south-eastern plateau and near Hobart in Tasmania where it grows on poorly drained flats, Cold Hardy Camellias For Zone 6. She has written professionally for six years since then. It should be avoided. (1974). Identification Guide: Ritter, Matt (1014) 'Field Guide to the Cultivated Eucalypts (Myrtaceae) and How to Identify Them', Ann.Missouri Bot. niphophila (Maiden & Only stake plants less than 3â² tall- from that height on let it form its own sturdy trunk or trunks. There are four main factors that must be weighted that determine how cold-hardy a Eucalyptus is for a given location: 1. 'Hardy Eucs' website) Tree to 18m high. âAthens Blue Spireâ will survive temperatures ranging down to -5°F to -10°F. Thanks for info another thread re. Eucalyptus gregsoniana L.A.S. Commonly known as Jounama Snow Gum. points to note. and forest. Commonly known as Tingiringi Gum. f. (H 114) (See EE pg.65) Mountain gum (Eucalyptus dairympleana) grows up to 120 feet tall in USDA zones 7a through 10b and is cold-hardy to 8 degrees Fahrenheit. Australian Government Publishing long and 1 - 2.5cm wide. Eucalyptus vernicosa Hook. dalrympleana (H 113) (R&T - 112 - danger zone -12° to -16°) Adult leaves in the mountains of western Tasmania where it grows on steep exposed slopes Wilsons Promontory in Victoria and widely in Tasmania where it grows on undulating Adult leaves are lanceolate Snow Gum. Spiny hedgehog cactus (Echinocereus dasyacanthus, Zone 6 â 9). Hardy Varieties. The foliage is strikingly blue and its spinning wheel name comes from the rounded juvenile foliage. pp.642-687. By this I mean simply that not every species of Eucalyptus is equally hardy, but some tend to be hardier than others. Eucalyptus coccifera Hook. (See 'Hardy Omeo gum (Eucalyptus neglecta), which grows in USDA zones 7 through 11 from 40 to 60 feet tall, survives temperatures as low as zero degrees Fahrenheit. There is often an accumulation of Vol.99. Put a modern spin on your garden with our wide variety. References in brackets after the plant name refer to sources and sometimes Commonly known as Tasmanian Blue Gum. Zone 6 covers a large area of the United States. Adult leaves elliptic to ovate, 1.5 - 2.5cm long and 1 - 1.5cm wide. Adult leaves lanceolate, 7.5 - 15cm long, 1.5 - 4.5cm wide. Prepared by Andrew Lyne, ANBG staff, 2003, There are some 800 species of Eucalyptus. Zone 6 comprises of those regions where the temperature can drop to -5-degree Fahrenheit (-20.6 degree Celsius). Eucalyptus globulus Labill. Tree to 15m high. Here are a list of frost-hardy species that either have or may prove suitable Australian soils are generally low in nutrients. Bark smooth grey, grey-green or sometimes with central tablelands of New South Wales through the southern tablelands (including Likely the most cold-hardy succulent on the list, the ever-popular Hens and Chicks (a catch-all phrase for the whole genus) are pretty much all frost-resistant. Bark is rough and fibrous, grey on trunk and larger Container plants can be placed on patios or sunk into the ground, but must be brought indoors in fall before first frost for overwintering. and is bronze, grey or white-green in colour. lanceolate, 7 - 11cm long and 1.5 - 2.5cm wide. Flora of Australia Vol. hills and slopes in woodland and open forest. (See 'Hardy Eucs' zone -14° to -19°) (See EE pg.65) then smooth and grey or grey-green above. This article will help with that. f. (H 114) (R&I 120 danger zone Commonly known as Cider Gum. Tree to 70m high. Grows as a mallee or straggly tree to c. 9m high. Eucalyptus pauciflora subsp. Adult Grows as a tree to 15m high. It occurs southwards from the wide. - 15cm long and 2.5 - 4cm wide. Tree to 40m usually although sometimes to 90m high. on the southern tablelands (particularly the Budawang Range) in New South Wales It matures to an average height of 30 feet to 50 feet and an average width of 20 feet to 30 feet, depending on climate and other environmental factors. Adult Eucalyptus urnigera Hook. Red-flowering gum (Eucalyptus ficifolia), growing in U.S. Department of Agriculture plant hardiness zones 10 through 11, reaches 40 feet tall and 25 feet wide, making it a good choice for smaller yards. Needless to say, we were excited to find a pure almond cultivar that has grown well for us in zone 6: Javidâs Iranian Almond, first grown and sold by Englandâs Orchard and Nursery in Kentucky. narrowly lanceolate and are 13 - 24cm long and 1.5 - 2.5cm wide. red-brown. Occurs widely in the south-eastern mainland to 10m high. A general beginner's guide to the most cold-hardy palms for planting in USDA zone 5, 6, and 7 gardens. Tree to 12m high. genera.). It occurs from southern New South Classified as an invasive species in some parts of the country and rated as a high fire hazard, eucalyptus (Eucalyptus) nonetheless has deep historical roots in states including California, Hawaii and Arizona, where early settlers planted the trees for windbreaks, shade and hardwood timber. where it grows on exposed sandstone plateaus. all over and is white, grey or grey-green in colour. where it grows in a variety of situations from the coast through to the mountains temperatures. Grows as a mallee to 4m high or more rarely as a tree to 20m high. steeper slopes of the ranges. and sometimes with pink and green to olive. Blakely) L.A.S.Johnson & Blaxell (H 114) shed bark at the base of the trunk. (See 'Hardy Eucs' website) New South Wales, the Australian Capital Territory and Victoria on higher mountains website) Eucs' website) It occurs from Omeo to south of Bright in Victoria Read the Label. Multi-stemmed shrub or a crooked tree to 9m high although sometimes to 18m high. plateau and eastwards to the coast in swampy areas in valleys. tops in mallee and shrubland vegetation. Adult leaves are elliptic or obovate This zone generally experiences a mild climate with cold winter and mild to hot summer season. ridges and mountain tops. and is white, grey or grey-green in colour. danger zone -10° to -16°) on high plateaus and mountain tops. Yuccas for zone 6 must be able to withstand temperatures below 0 degrees Fahrenheit. Though I now have apples, pears and plums in my front yard, I miss the citrus. EE pg.65) subsp. The majority of these occur New South Wales in areas around Dorrigo, Barrington tops and southwards from Commonly known as Black Sallee. Eucalyptus nitens (Deane & Maiden) Maiden (H 114) Wales southwards to north-eastern Victoria where it grows on exposed high mountains Shrub or tree to 10m high. A simple row cover in zone 3 or 4 will extend the fresh greens season for several months, allowing for a winter crop of greens without a greenhouse. Wales southwards to eastern Victoria and also in eastern Tasmania and in and Commonly known as Alpine Ash. and are 5 - 9cm long by 0.5 - 1.5cm wide. Anyone have any experience trying it out here in NEPA zone 6? The deep green leaves are edged with white filaments. Budawang Range and south of Braidwood in New South Wales where it grows on mountain Eucalyptus rodwayi R.T.Baker & H.G.Sm. It occurs in Tasmania where it grows on the central Tasmania where it grows subalpine woodland on plateaus and slopes. Bark fibrous, grey to brown While Adamâs Needle is a good option due to its attractive rosette form, low growth at 3 feet and USDA hardiness of 4 to 9, most of its many cultivars are not hardy to zone 6, so check plant tags to ensure the suitability in your landscape. Grows as a tree to 70m high usually although sometimes to 90m high. lanceolate, 10 - 20cm long and 1.5 - 2.5cm wide. Adult leaves are lanceolate and 7 Eucalyptus viminalis Labill. f. (H 114) (See EE pg.65) The large, tender-skinned, green fruit has a 30 percent oil content, giving the firm flesh a rich and creamy texture. Eucalypts need to planted in an open, sunny area if they are not to develop the plants growing in their natural habitats. Emigrant Eucalypts: Gum Trees as Exotics. with growing eucalypts in very cold parts of the world. White ironbark (Eucalyptus leucoxylon) reaches the same size and has gray-green, 3- to 6-inch-long leaves and is a commonly seen tree in USDA zones 8 through 10. This species has huge magenta flowers that practically glow, they are so bright. They also tolerate regular irrigation (especially the water loving species E. parvula). There are dozens of varieties of cold hardy bamboo to consider growing in Zone 6. Gum. contribute any of your own experience or knowledge with growing eucalypts in delegatensis (See 'Hardy Eucs' website) and 5 - 8cm long and 1 - 2cm wide. Lace hedgehog cactus (Echinocereus reichenbachii, Zone 5 â 9). Bark smooth and grey in colour. FREE SHIPPING. Madalene Hill (Hillâs Hardy) Species selection. It matures to an average height of 15 feet to 20 feet and an average width of 15 feet to 20 feet, depending on climate and other environmental factors. where it grows as an understorey tree along creeks at higher altitudes. Spinning Wheel Gum Eucalyptus Tree. Adult leaves 7 - 16cm long and 1 - 3.5cm wide. in tall open forest. The Spinning Wheel Gum Eucalyptus Tree is one of the most gorgeous cold hardy eucalyptus that can be grown in our climate. It occurs at Cape Otway and Adult leaves narrowly to broadly lanceolate, 5 - 17cm long and 1 - 3.5cm wide. Schottâs Century Plant is a beautiful, petite species. The coldest parts of Australia do not get as cold as some of the inhabited Eucalyptus lacrimans L.A.S.Johnson & K.D.Hill (See Bark is usually smooth, white to cream, yellow or grey with 118 - danger zone -6° to -10°) Growing with little-to-no attention in full sun or shady areas, the only real requirement is keeping the soil surrounding the plant well-drained to avoid rot due to over-watering. Whilst temperatures as low as -23°C have been withstood by eucalypts, Adult leaves are lanceolate in shape Lundman received her M.A. Bark smooth throughout, often with shed bark accumulating Mallee to 5m high. Eucalyptus produces pleasantly scented, blue-green foliage favorable to warm tropical to sub-tropical climates. Adult leaves are narrowly lanceolate to et al (1984) Forest Trees of subsp pauciflora (H 114) (See EE pg.65) Hillier and Sons, Winchester, England. Like all plants, cold hardy tropical â¦ a lean as they seek the light. my privacy problem and evergreens, deer, etc...I lived in CA grew up there and surrounded by eucalyptus frest. the Australian Alps) then westwards to The Grampians in Victoria as well as Service, Canberra. Select a variety below to get all the details, more photos and prices. It occurs in Tasmania in the central subalpine areas and on Maria Island on for growing in some of the colder regions of Europe and North America. Commonly known as Kybean Mallee Ash. Ritter, Matt (1014) 'Field Guide to the Cultivated Eucalypts (Myrtaceae) and How to Identify Them', Ann.Missouri Bot. provenance, duration of the hardening period and the age and general health branches, then smooth and white above. Adult leaves lanceolate and 5 - 7cm long and 0.5 - 1cm wide. Most of the cold hardy tropical plants featured here do not require much specialized care. (1997). Eucalyptus kybeanensis Maiden & Cambage (R&I 121 - Commonly known mountain summits and rocky sites in alpine woodland. area in the Brindabella Range, Australian Capital Territory, Jounama Peaks, Today eucalypts are to be found growing in many parts of the world for their timber and horticultural appeal. Occurs in a small and ranges. pinkish patches. It occurs only on the Mount Buffalo plateau in Victoria where it grows Adult leaves ovate at the base of the trunk, grey to grey-brown to almost black. EE - Zacharin, R.F. south-eastern New South Wales, an isolated occurrence in the Australian Capital 137pp. Bark is rough, fibrous and grey on the trunk and and plateaus in low-growing shrub communities. But it helps to be prepared and to do your research before buying. Eucalyptus dalrympleana Maiden subsp. Grows as a tree to 15m high. plateau edges. Silver dollar eucalyptus (Eucalyptus cinerea) not only provides a tall shade tree in USDA zones 8 through 11, growing 20 to 50 feet tall, but it also provides attractive, gray-green round, silver dollar-shaped leaves that you can use for indoor flower arrangements or wrap into wreaths. to be found growing in many parts of the world for their timber and horticultural leaves elliptic to broadly lanceolate, 5 - 9cm long and 1.5 - 2.5cm wide. Bark is smooth throughout, white-grey, or yellow It also produces foot-long clusters of red flowers and grows successfully in urban areas with poor soil. very cold climates, we would be happy to hear from you! Finding tropical plant specimens that can survive the cold zone 6 temperatures can be a challenge. Commonly known as Snow Gum. 307pp. valleys and plateaus. and plateaus. website) pp.642-687. debeuzevillei (Maiden) L.A.S.Johnson Adult Eucalyptus camphora R.T. Baker (H 113) Commonly It occurs in western and central Tasmania where it grows in mountainous areas known as Spinning Gum. (The genus Eucalyptus is here interpreted in the broad sense, recognising Commonly known as Small-leaved USDA Hardiness Zone 6. -12° to -23°) (See EE pg.65) (FoA 366) Many of them are tolerant of an incredible -30°F. Bark is rough and fibrous Adult leaves are lanceolate and 5 - 12cm 543pp. It occurs in or pink. Bark is smooth and white or grey in colour. with insect 'scribbles'. Tallaganda National Park to the central highlands of Victoria where it grows New South Wales and at Falls Creek, Victoria where it grows on steep slopes, 19. that there is a move by some botanists to split this genus into several smaller Australian Plants: A Guide to ex Rodway (See 'Hardy Eucs' 4. It occurs from the Brindabella Range in the Australian Capital Territory southwards Grows as a tree to 15m high. Eucalyptus globulus gets damaged when exposed to even moderate frost which makes it an indoor plant. Adult leaves Big O Cold Hardy Eucalyptus Tree Eucalyptus neglecta 'Big O' Why âBig 0â? & Blaxell (R&I 126 - danger zone -16° to website) Hardy Yucca Options. Territory into the Dargo High Plains of Victoria as well as in central and eastern Not quite as cold hardy as claret cup cactus, but just as beautiful in yellow. For USDA zones 7b through 10b, try willow-leaved peppermint (Eucalyptus nicholii), which also grows up to 40 feet tall and has leaves that smell like peppermint. Hardiness Extremely hardy. No common name recorded. areas in grassy subalpine woodland. Bark fibrous, grey to brown All of the hardy eucalyptus have an Achilles' heel in a cold climate; they keep growing until they are stopped by freezing temperatures. Eucalyptus Pauciflora 'Bonza' is a moderate growing tree that can be grown in USDA Plant Hardiness Zones 7B through 11. of Melanesia and the Philippines. from the various references listed and our own personal experience of seeing Does a Eucalyptus Tree Turn Brown in the Winter? Commonly known as Varnished It occurs south from the Tinderry Range in among rock outcrops on high plateaus and mountain-tops. The descriptions leaves are lanceolate and are 7 - 15cm long and 0.7 - 2cm wide. Four factors affecting Eucalyptus hardiness. naturally in Australia with only a few species extending naturally into parts For more information see A Discussion of Eucalyptus Cold-hardiness. - 8cm long and 1 - 2cm wide. Water requirement: Once established, water infrequently, allowing the soil to dry out before watering again. Cold tolerant to 22°F, this tree can grow to over 40 feet tall in the right conditions. Melbourne University Press, Australia. FoA - Chippendale, G.M. For its large, perfectly round leaves, hence the name. Eucalyptus grow right across the Australian Eucalyptus perriniana F.Muell. be a c. 1m high 'stocking' of persistent flaky bark at the base of the trunk) Adult 1. Eucalyptus mitchelliana Cambage (See 'Hardy Eucs' website) regions of the world outside Australia and gives some discussion of their requirements. Eucalyptus stellulata Sieber ex DC. Eucalyptus grow right across the Australian continent, from the arid to the cold sub-alpine regions. $7.00. Adult leaves narrowly lanceolate Gum. FTA - Boland, D.J., Brooker, M.I.H. Eucalyptus delegatensis R.T.Baker subsp. Adult leaves are lanceolate and colour. Grows as a tree to 20m high. Should you choose the latter method, any hardy species that forms a strong lignotuber (such as E. cinerea, E. nova-anglica and E. elliptica) will do. Prepared by Andrew Lyne, ANBG staff, 2003 There are some 800 species of Eucalyptus. Less cold hardy tropical plants have become a main stay of summertime landscapes like annuals and perennials throughout the country. As such, if you would like to Bark smooth, white grey, grey-yellow or yellow brown. Commonly known as Candlebark. Commonly known as Snow Gum. It should be noted that the Australian National Botanic Gardens have no experience Learn more here about Encore Azalea varieties hardy to USDA Zone 6A. Bark is smooth and white to grey in colour. See â¦ shed bark accumulating at the base of the trunk. How to Grow a Japanese Umbrella Conifer Pine, Floridata: The Flowering Plants of Hawaii, University of Florida Cooperative Extension Service: Eucalyptus Ficifolia, University of California California Agriculture: Eucalyptus Shows Unexpected Cold Tolerance, Fine Gardening: Eucalyptus Neglecta (Omeo Gum, Omeo Round-Leaved Gum), Cal Poly San Luis Obispo Urban Forest Ecosystems Institute: White Ironbark, Stanford University Buildings and Grounds Maintenance: Eucalyptus Species for Landscape Situations, Plantmaps.com: Growing Eucalyptus Trees in the Southeastern US, Cal Poly San Luis Obispo Urban Forest Ecosystems Institute: Silver Mountain Gum. Johnson and Blaxell (See by 0.5 - 1cm wide. parts of the Northern Hemisphere. to lanceolate, 12 - 25cm long and 1.5 - 2cm wide. The good news is, in this article are cold hardy carnivorous plants that can survive even in chilly, frosty weather. Commonly Eucalyptus subcrenulata Maiden and Blakely (H114 as johnstonii) occurs from near Wallangarra, New South Wales, through the Australian Capital Adult leaves are lanceolate to Tree to 40m usually although sometimes to 90m high. Bark is smooth and white, grey or red in colour. It occurs around Wallangarra, Queensland to near Glen Innes, New South Wales, from Rylstone to Adult Bark is smooth throughout and is white to red or The researcher culled it for its vigor, cold hardiness, branching, and upright growth habit â it grows to about three feet tall and two feet wide. continent, from the arid to the cold sub-alpine regions. occurring in eastern Tasmania where it grows on upper slopes in mountain forests. This page lists some of those species suitable for growing in the colder regions of tâ¦ Bark is white or grey in In the U.S., eucalyptus is hardy to portions of zone 7. Bark is smooth all over (although there may sometimes known as Omeo Gum. as parvifolia) (R&T 125 - danger zone -12° to -19°) Omeo produces white flowers and large, oval-shape leaves that turn rosy in cold weather. R&I - Ross, T. and Irons, J. Click on a picture below to get all the details, sizes, and prices  Sort by: 1 2 Next Page View All. Grows as a tree or more usually a mallee to 8m high. lanceolate in shape and 6 - 13cm long and 1 - 2cm wide. The silverdollar gum is native to the southeastern corner of Australia and is considered a zone 8 plant. I have decided to breed some hardy â¦ detail how the plant would grow in Australia in its natural environment. In colder zones, with some protection, trees are surviving as far north as zone 6B. Here in Canberra we © Copyright 2020 Hearst Communications, Inc. Occurs Grows as a tree to 6m high. It occurs in south-eastern Tasmania where it grows on high mountains and plateaus on lower half of trunk, smooth and grey-white above, usually with insect scribbles. Eucalyptus moorei Maiden & Cambage (See 'Hardy Eucs' website) Eucalyptus rubida H.Deane & Maiden (See 'Hardy Eucs' April Dawn Cold Hardy Camellia Japonica - 3 Gallon Pot. appeal. where it grows in grassy woodland in damp areas. Tree to 22m high. This is another favorite of mine. Commonly known as Shining The majority of these occur naturally in Australia with only a few species extending naturally into parts of Melanesia and the Philippines. above, or basically smooth all over on smaller trees and mallees. the magnificent cold hardy Eucalyptus selections in the Southern Eucs Collection. Adult leaves are narrowly lanceolate or lanceolate and 4 - 7cm long Australia 4th Ed, Thomas Nelson, Melbourne 687pp. Grows as a tree to 25m high. Read on to find out how one can expect the plant to perform after a complete winter. Eucalyptus Nicholii 'Angus'' is a fast growing tree that can be grown in USDA Plant Hardiness Zones 7B through 11. their Cultivation in Europe. Commonly known as Alpine 576 pp. One of the joys of living there was having oranges, mandarins, and lemons right in my front yard. danger zone -12° to -19°) (FoA 366) As such, heavy fertilising Native to Australia and other sub-tropical regions of the world, eucalyptus trees belong to a genus that includes 680 species, with climate zones that naturally vary. Commonly known as Mallee Snow Gum. from Stanford University. Occurs in the Blue Mountains, This page lists some of those species suitable for growing in the colder It matures to an average height of 20 feet to 40 feet and an average width of 15 feet to 30 feet, depending on climate and other environmental factors. Bark smooth, grey to white or yellow-green in colour. around the Mount Lofty Range in South Australia where it grows on tablelands, leaves lanceolate to broadly lanceolate, 6 - 10cm long and 1.5 - 2.5cm wide. Adult leaves Bark smooth, white to light grey throughout. We would like to thank all of you for your continued patience in these uncertain times. With a wide trunk, oval leaves and peeling bark, sugar gum (Eucalyptus cladocalyx) reaches 45 to 90 feet tall and 45 to 75 feet wide in USDA zones 9a through 11 and is a familiar sight on the Southern California coast. Grows as a tree or a mallee, usually to c. 5m high but occasionally reaching rarely get below about -5°C. long and 1 - 1.5cm wide. Light requirement: Full sun to filtered shade. Eucalyptus, Angophora (Myrtaceae). be some rough bark at the base of the trunk. Gum. The information presented here has been sourced Bark is usually smooth throughout It occurs in the Gibraltar Range, the Blue Mountains and Cider Gum. Tips on Growing Cold Hardy Tropical Plants. and is white, grey or grey-green in colour. 12 - 20cm long and 1 - 2cm wide. Commonly known as Tasmanian as Tasmanian Alpine Yellow Gum. It occurs in the Countegany to Kybean area of south-eastern New South Wales from south-eastern Queensland to Adelaide, South Australia and throughout Tasmania Most of them belong to either the Phyllostachys or the Fargesia genus ( group) which are the two most cold hardy groups of bamboo. No common name. While prolonged, frigid temperatures damage or even kill cold-hardy eucalyptus, some varieties do better than others. Eucalyptus parvula L.A.S.Johnson & K.D.Hill (H 114 in woodland. 'Hardy Eucs' website) Bark smooth throughout, white or yellow-white with shed bark at Commonly known A dwarf shrub to 1m high or a mallee to 3.5m high. Eucalypts require a period of hardening if they are to survive very low zone -12° to It is not reliably cold-hardy, but often comes back during the growing season, even after a hard freeze. tasmaniensis Boland The New Sunset Western Garden Book; Kathleen Norris Brenzel, Editor. Territory to near Melbourne, Victoria where it usually grows in open flat areas Given the above, you need to be prepared for disappointment. on exposed ridges, plateaus and slopes in subalpine woodland. European Fan Palm (Chamaerops humilis) â Cold Tolerant Palm Tree where it grows on the highest and coldest mountains and tablelands in woodland Commonly known as Manna Gum. Occurs to broadly lanceolate, 6 - 13cm long and 3.5 - 5cm wide. on lower half of trunk, smooth and grey-white above, usually with insect scribbles. Care Tips for Cold Hardy Varieties. of the tablelands and mountains. While zone 7b temperatures are suitable for eucalyptus, temperatures in zone 7a can drop to zero degrees Fahrenheit -- much too cold for the shrub to survive the winter. and dark grey on the lower trunk of bigger trees and then smooth and green-grey And our amazing Eucalyptus Trees! to broadly lanceolate and 5 - 8cm long and 1 - 3cm wide. Adult leaves narrowly to broadly lanceolate, 10 - 22cm long and 1.5 - 4cm wide. H - Hilliers' Manual of Trees & Shrubs. as Swamp Peppermint. Eucalyptus are completely intolerant of shade in our climate. this depends upon a number of factors including the species concerned, its Commonly known as Mountain Gum. They grow like fire and keep their leaves! Mature size: Rosettes are 0.5 to 6 inches (1.3 to 15 cm) wide, depending on the species. the Australian Capital Territory, Victoria to Mount Gambier in South Australia Commonly known as Alpine Ash.