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Eucalyptus Newsletter nº 12 - by Celso Foelkel

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by Celso Foelkel


Summary of Contents
  • Eucalyptus Online Book Chapter 7 (Portuguese): "Ecoefficient Management of Woody Forest Residues from Eucalyptus Plantation Forestry"
  • Eucalyptus Online Book Chapter 5 (English): "Industrial Solid Wastes from Eucalyptus Kraft Pulp Production. Part 1: Fibrous organic residues"
  • Online Technical References
  • References on Events and Courses
  • Euca-Links
  • Planting and Growing Eucalyptus Plantation Forests
  • Curiousities and Oddities about the Eucalyptus by Ester Foelkel
  • The Friends of the Eucalyptus - Dr. Maria Cristina Area
  • Technical mini-article by Celso Foelkel: Eucalyptus Planted Forests and Biodiversity


Previous Issues

Grau Celsius - Celsius Degree - Celso Foelkel Eucalyptus Wisdom

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Eucalyptus in Brazil: Life of a Clone

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Eucalyptus from cuttings, Life of an Eucalyptus clone in a forestry nursery in Brazil / Eucaliptos de esqueje, Vida de un Clon de Eucalipto en un vivero forestal de Brasil / Propagación Vegetativa de Eucalipto / Eucalyptus vegetative propagation / Mini Jardim Clonal de Eucalipto / Eucalyptus Clonal forestry orchard / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, Spain



Enjoy the texts of Carol Coultas and photography of Amber Waterman on their trip from Maine to Brazil to find out how Eucalyptus urograndis becomes a world class short fiber based paper.


A tale of two trees: the tortoise and the hare

Clonal Hybrid Eucalyptus urograndis (Eucalyptus urophylla x grandis) fast growth at short rotation cycles: 5 timber harvests in 35 years / Clones de eucalipto híbrido E. urograndis (E. urophylla x grandis) en Brasil: crecimiento rápido en turnos cortos: 5 cosechas de madera en 35 años / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, Spain(click to enlarge)

Eucalyptus urograndis (E. urophylla x grandis) cultivated at short rotational cycles in Brazil versus longer harvest cycled conifers: 5 timber harvests instead of 1


Also in this site...

Eucalyptus paulistana: The Brazilian Giant

A short story on Edmundo Navarro de Andrade, the man who started Eucalyptus cultivation in Brazil by planting 24 million eucalypt trees... or more.

Eucalyptus Online Book & Newsletter

A free high quality information resource on Eucalyptus delivered to the world from the Brazilian forests by Celso Foelkel

EUCALYPTOLOGICS: GIT Forestry Consulting Eucalyptus Blog / Information Resources on Eucalyptus Cultivation Worldwide / Forestry Engineering, Eucalyptus Seed, Eucalyptus Plants, Eucalyptus Wood, Eucalyptus Honey, Eucalyptus Essential Oil, Eucalyptus Forests, Eucalyptus Plantations, Eucalyptus Timber, Eucalyptus Lumber, Eucalyptus Furniture, Eucalyptus Veneer, Eucalyptus Plywood, Eucalyptus MDF Board, Eucalyptus Cellulose, Eucalyptus Paper, Eucalyptus Biomass, Eucalyptus Energy, Eucalyptus Floristry, Eucalyptus Foliage, Eucalyptus Garden / Ingenieria Forestal, Semilla de eucalipto, Plantas de eucalipto, Madera de eucalipto, Miel de eucalipto, Aceite Esencial de eucalipto, Bosque de eucalipto, Plantacion de eucalipto, Muebles de eucalipto, Tablero de eucalipto, MDF de eucalipto, Celulosa de eucalipto, Papel de eucalipto, Biomasa de eucalipto, Energia de eucalipto, Ramillo Verde Ornamental de Eucalipto, Jardin de EucaliptoGIT's Eucalyptology Topics

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Giant Trees: Eucalyptus & Friends

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A video today, depicting 11 treasures growing in the forests of the world, heritage to preserve. No wonder the music is a Sacred Spirit chant. And no wonder, three of them are Giant Eucalyptus!


Video courtesy of Steve1Nova and Tree Species...



And following, a list of the twelve treasures with links to images of other Eucalyptus giants around this site.

Twelve Treasures

  • Douglas Fir - Pseudotsuga menziesii
  • Mountain Ash - Eucalyptus regnans
  • Karri - Eucalyptus diversicolor
  • Kauri - Agathis australis
  • Turkey Oak - Quercus cerris
  • Coast Redwood - Sequoia sempervirens
  • Sitka Spruce - Picea sitchensis
  • Montezuma Cypress - Taxodium mucronatum
  • Grandidier's Baobab - Adansonia grandidieri
  • Jarrah - Eucalyptus marginata
  • Giant Redwood - Sequoiadendrum giganteum

More Eucalyptus Giants around this site


EUCALYPTOLOGICS: GIT Forestry Consulting Eucalyptus Blog / Information Resources on Eucalyptus Cultivation Worldwide / Forestry Engineering, Eucalyptus Seed, Eucalyptus Plants, Eucalyptus Wood, Eucalyptus Honey, Eucalyptus Essential Oil, Eucalyptus Forests, Eucalyptus Plantations, Eucalyptus Timber, Eucalyptus Lumber, Eucalyptus Furniture, Eucalyptus Veneer, Eucalyptus Plywood, Eucalyptus MDF Board, Eucalyptus Cellulose, Eucalyptus Paper, Eucalyptus Biomass, Eucalyptus Energy, Eucalyptus Floristry, Eucalyptus Foliage, Eucalyptus Garden / Ingenieria Forestal, Semilla de eucalipto, Plantas de eucalipto, Madera de eucalipto, Miel de eucalipto, Aceite Esencial de eucalipto, Bosque de eucalipto, Plantacion de eucalipto, Muebles de eucalipto, Tablero de eucalipto, MDF de eucalipto, Celulosa de eucalipto, Papel de eucalipto, Biomasa de eucalipto, Energia de eucalipto, Ramillo Verde Ornamental de Eucalipto, Jardin de EucaliptoGIT's Eucalyptology Topics

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Cold hardy Eucalyptus forestry in Galicia (II): when snow comes...

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Eucalyptus and Snow: Winter views of eucalypt timber plantations in Northwestern Spain

Gustavo Iglesias Trabado Contact GIT Forestry Consulting
GIT Forestry Consulting - Consultoría y Servicios de Ingeniería Agroforestal - www.git-forestry.com - EUCALYPTOLOGICS

Snow in a 10 year old cold hardy Eucalyptus nitens cultivated forest at 800 m above sea level in Galicia (Northwestern Spain)/ Nieve en bosque cultivado de Eucalipto nitens (Eucalipto de las heladas, Eucalipto brillante) a 800 metros de altitud en Galicia (Noroeste de España) / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, Spain
Some of the following cold hardy Eucalyptus timber plantations have resisted brief events of -10ºC as absolute minimum temperature, -8ºC as average of extreme minima, 45 to 85 frost events per year, 9 events of winds +95 km/h and several snow storms. Climatic history shows extreme maximum periods of frost risk spanning for 205 days/year (from late October to mid April), but there is a significative variation every year for each location both for severity of winter events and degrees of damage and recovery.


Snow in a 10 year old cold hardy Eucalyptus nitens cultivated forest at 800 m above sea level in Galicia (Northwestern Spain)/ Nieve en bosque cultivado de Eucalipto nitens (Eucalipto de las heladas, Eucalipto brillante) a 800 metros de altitud en Galicia (Noroeste de España) / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, SpainFig. 1: Winter view of a 10 year old frost tolerant Eucalyptus cultivated forest at 800 m above sea level in Galicia (Northwestern Spain). (Click image to enlarge)

Snow in a 7 year old cold hardy Eucalyptus nitens timber plantation at 750 m above sea level in Galicia (Northwestern Spain)/ Nieve en plantacion de 7 años de Eucalipto nitens (Eucalipto de las heladas, Eucalipto brillante) a 750 metros de altitud en Galicia (Noroeste de España) / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, SpainFig. 2: Winter view of a 7 year old frost tolerant Eucalyptus timber plantation at 750 m above sea level in Galicia (Northwestern Spain). (Click image to enlarge)

Snow in a 3 year old cold hardy Eucalyptus nitens timber plantation at 700 m above sea level in Galicia (Northwestern Spain)/ Nieve en plantacion de 3 años Eucalipto nitens (Eucalipto de las heladas, Eucalipto brillante) a 700 metros de altitud en Galicia (Noroeste de España) / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, SpainFig. 3: Winter view of 3 year old frost tolerant Eucalyptus saplings at 700 m above sea level in Galicia (Northwestern Spain). (Click image to enlarge)

Snow in a 5 year old cold hardy Eucalyptus nitens timber plantation at 600 m above sea level in Galicia (Northwestern Spain)/ Nieve en plantacion de Eucalipto nitens (Eucalipto de las heladas, Eucalipto brillante) a 600 metros de altitud en Galicia (Noroeste de España) / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, SpainFig. 4: Winter view of a 5 year old frost tolerant Eucalyptus timber plantation at 600 m above sea level in Galicia (Northwestern Spain). (Click image to enlarge)


Some key factors for a successful cultivation of cold hardy Eucalyptus for timber production

  • Careful choice of Eucalyptus species suitable for winter conditions in the area of introduction and suitable for target industrial lines. Results from well designed comparative species survival and growth trials for the area of introduction are good indicators.
  • Careful choice of seed provenances within the most desirable Eucalyptus species. Results from well designed provenance trials able to quantify best growth and cold tolerance for the area of introduction are good indicators.
  • Use of genetically improved Eucalyptus plant stock if available, as it normally yields better growth rates and improved physical or chemical timber properties.
  • Good matching of species to site, preferring sheltered from sustained chilly winds and and as sunny as possible areas with Southern exposure, better over soils of moderate depth and fertility.
  • Proper site prepation to encourage as fast establishment of the tender Eucalyptus seedlings as possible. Well developed root systems on deep laboured soil tend to stand better temporary freezing of the most superficial soil layers.
  • Proper planting schedule to allow quick growth during the first year. A good height growth over the coldest layer of air near soil tends to increase survival rates to radiational frost.
  • Proper understorey control during the first years to minimise competence and allow as quick formation of less fragile woody tissue as possible. Even the most resistant plant material is at risk of damage due to impredictable extreme climatic events. However survival and recovery from damage are better once eucalypts reach a certain size.
  • Regular monitoring of weather events and symptoms of cold induced damage (leaf injuries, dessication, bark cracking, newest growth burns, form defects, etc).

Interesting links

Cold hardy Eucalyptus timber production in Galicia (I)

Eucalyptus Highland Forests in Northwestern Spain and Portugal (II)

Eucalyptus globulus. Blue Gum Eucalypt Coastal Forests in Northwestern Iberia

Eucalyptus nitens. Shining Gum Eucalypt Highland Forests in Northwestern Iberia

Eucalyptus macarthurii. Camden Woollybutt Highland Forests in Northwestern Iberia

Eucalyptus delegatensis. Tasmanian Oak Highland Forests in Northwestern Iberia

Eucalyptus dalrympleana. Mountain White Gum Highland Forests in Northwestern Iberia

(more to come, we are hunting them all!)


Have you seen the Giant Eucalyptus Movie?

EUCALYPTOLOGICS: GIT Forestry Consulting Eucalyptus Blog / Information Resources on Eucalyptus Cultivation Worldwide / Forestry Engineering, Eucalyptus Seed, Eucalyptus Plants, Eucalyptus Wood, Eucalyptus Honey, Eucalyptus Essential Oil, Eucalyptus Forests, Eucalyptus Plantations, Eucalyptus Timber, Eucalyptus Lumber, Eucalyptus Furniture, Eucalyptus Veneer, Eucalyptus Plywood, Eucalyptus MDF Board, Eucalyptus Cellulose, Eucalyptus Paper, Eucalyptus Biomass, Eucalyptus Energy, Eucalyptus Floristry, Eucalyptus Foliage, Eucalyptus Garden / Ingenieria Forestal, Semilla de eucalipto, Plantas de eucalipto, Madera de eucalipto, Miel de eucalipto, Aceite Esencial de eucalipto, Bosque de eucalipto, Plantacion de eucalipto, Muebles de eucalipto, Tablero de eucalipto, MDF de eucalipto, Celulosa de eucalipto, Papel de eucalipto, Biomasa de eucalipto, Energia de eucalipto, Ramillo Verde Ornamental de Eucalipto, Jardin de EucaliptoGIT's Eucalyptology Topics

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© 2007 Gustavo Iglesias Trabado. Please contact us if you want to use all or part of this text and photography elsewhere. We like to share, but we do not like rudeness.

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Eucalyptus acknowledgements go to...

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WHO READS GIT's EUCALYPTOLOGICS?

Snow Gums (Eucalyptus pauciflora ssp. niphophila) at Bogong Ridge, Thredbo, ACT / Eucaliptos de las Nieves en Bogong Ridge, Thredbo, Canberra / Merry Christmas and Happy Eucalyptic Year 2008 / Feliz Navidad y Prospero Año Eucalíptico 2008 / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Lugo, Galicia, España, Spain(click to enlarge)

GRATIAM HABEO, THANK YOU, DOMO ARIGATO, GRACIAS, DANKE, TAKK, DÊKUJI, TAK, MERCI, TACK, DANK U, GRAZIE, GRAZAS, GRACIES, KHAWP KHUN, OBRIGADO, KIITOS, DANKIE, TASHAKKUR, EFCHARISTO, SIKOMO, ISTUTI ...



For stopping by and reading our EUCALYPTOLOGICS sometime during 2007 to the following organisations:


A
AgroBioTech Park Ltd (BUL); Alpharma Inc (USA); Australian National University (AUS); Azabu University (JAP);

B
Banco Espanyol de Credito (SPA); Bankinter (SPA); Basf IT Services Gmbh (GER); Bauunternehmen Ing. Otto Ettinger (AT); Bayer Ag (GER); Beckman Coulter Inc (USA); Bergen University (NOR); Birmingham City Council (UK); Broome-Tioga Board of Cooperative Educational Services (USA); Bundesamt fuer Naturschutz (GER); Bundesanstalt fuer Zuechtungsforschung an Kulturpflanzen (GER); Bundesministerium fuer Verkehr Innovation und Technologie (GER);

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California Polytechnic State University (USA); Centro de Innovación y Servicios Tecnológicos de la Madera de Galicia (SPA); Charles Darwin University (AUS); City of El Paso (USA); City of Orlando (USA); City of Seattle (USA); City of Westminster (CAN); City of Westminster Council (UK); Comision Nacional del Agua (MEX); Commission Europeenne (BEL); Commonwealth of Pennsylvania (USA); County of Riverside (USA); Cranfield Institute of Technology (UK); Czech Technical University (CZE);

D
Danish Network for Research and Education (DEN); de Groene Prins (NL); Department of Agriculture for Northern Ireland (UK); Department of Veterans Affairs (USA); Derby City Council (UK); Deutsche Flugsicherung Gmbh (GER); Deutsche Steinzeug Cremer & Breuer (GER); Deutsche Zentrum für Luft und Raumfahrt (GER); Deutscher Wetterdienst (GER); Dickinson College (USA); Drei Banken Gmbh (GER); Dudley Metropolitan Borough Council (UK); Duke Power Company (USA);

E
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F
Fondation RESTENA (LUX); Fairfax County (USA); Forschungszentrum Juelich Gmbh (GER); Forsyth County (USA);

G
General Mills (USA); Generalitat Valenciana (SPA); Georgetown University (USA); Goteborgs Universitet (SWE);

H
Heighley Gate Garden Centre (UK); Hewlett-Packard Company (USA); Hitachi Ltd. (JAP); Hogeschool Enschede (NL); Horsham District Council (UK); Horticulture and Food Research Institute Ltd (NZ); Houston Associates (USA);

I
IBM (USA); ING North America Insurance Corporation (USA); Institut de Génomique Fonctionnelle (FRA); Institut National de la Recherche Agronomique (FRA); Instituto Nacional de Tecnología Agropecuaria de Argentina, Concordia (ARG); Instituto Nacional de Tecnología Agropecuaria del Uruguay (UR); Instituto Tecnico Agrario Statual Carlo Gallina (IT); Intel Corporation (USA); Islamic Azad University of Lahijan (IR);

J
Junta de Castilla y Leon (SPA); Junta de Extremadura (SPA);

K
Kings School (UK); KLM Royal Dutch Airlines (NL); Kockums-ThyessenKrupp (SWE); Kungälv Energi Ab (SWE);

L
Lakehead University (CAN); Landratsamt Dachau (GER); Leicestershire County Council (UK); Loma Linda University (USA); London School of Hygiene and Tropical Medicine (UK); Louisiana State University (USA); Luxembourg Government (LUX);

M
Mahidol University (THA); Mairie de Toulon (FRA); Ministere de L’Agriculture (FRA); Mckinsey & Company Inc. (USA); Mead Corporation (USA); Medical University of South Carolina (USA); Medway Council (UK); Meteo-France (FRA); Michigan State Government (USA); Microsoft Corporation (USA); Mississippi Department of Information Technology (USA);

N
National Aeronautics and Space Administration (USA); National Park Service (USA); National Weather Service (USA); Navtrak Inc (USA); New Jersey Department of Transportation (USA); Norwegian University of Science and Technology (NOR); North Carolina State University (USA); Northern Ireland Civil Service (UK); New South Wales Department of Water Resources (AUS); Northrop Grumman Corporation (USA);

O
Office National des Forets (FRA); Oglethorpe Power Corporation (USA); Oregon Health & Science University (USA); Oxford University (USA);

P
Pacific Academy (CAN); Padre Dam Municipal Water District (USA); Papelera Nacional SA (PER); Patella Manufacturing Inc (CAN); Pennsylvania School for the Deaf (USA); Petrominerales Colombia Ltd (USA); Porter & Korvick P.a. (USA); Primabio (UK);

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Radford City (USA); Raiffeisen Zentralbank (AT); Red de Supercomputacion de Galicia (SPA); Renault (FRA); Robert Bosch LLC - Bosch Corporation (USA); Rodbaston College (UK); Royal Botanic Gardens, Kew (UK); Royal Botanic Gardens Sydney (AUS); Rushmoor Borough Council (UK);

S
Scottish Enviroment Protection Agency (UK); Servicio Nacional de Sanidad y Calidad Agroalimentaria (ARG); Schweizerische Bundesbahnen SBB (CH); Sharp Electronics Europe Gmbh (GER); Siemens Ag (GER); Smithsonian Institution (USA); Sniace (SPA); Southern California Gas Company (USA); Sri Lanka Education And Research Network (SRI); St Petersburg Times (USA); Stadt Dortmund (GER); Stadt Muenster (GER); Staffordshire County Council (UK); State of Alaska (USA); State of Arkansas (USA); State of Georgia (USA); State of Ohio (USA); Sunlife Assurance Company of Canada (CAN); Swedish University of Agricultural Sciences (SWE);

T
Technical University Zvolen (SVK); Technische Universitaet Dresden (GER); Technological Educational Institute of Kavala (GRE); The Boeing Company (USA); The McCrone Group (USA); The Municipality of Oslo (NOR); The National Land Survey of Sweden (SWE); The Pentagon (USA); The Sommerville Group (USA); The University of Melbourne (AUS); The Weather Channel (USA);

U
United Technologies Corporation (USA); U.S. Bureau of Indian Affairs (USA); U.S. Environmental Protection Agency (USA); U.S. Fish and Wildlife Service (USA); Universidad Austral de Chile (CHI); Universidad Autonoma Chapingo (MEX); Universidad Autonoma de Nuevo Leon (MEX); Universidad Autonoma de Sinaloa (MEX); Universidad Cardenal Herrera (SPA); Universidad Politecnica de Madrid (SPA); Universidad de A Coruña (SPA); Universidad de Castilla La Mancha (SPA); Universidad de Chile (CHI); Universidad de Concepcion (CHI); Universidad de Extremadura (SPA); Universidad de Leon (SPA); Universidad de Santiago de Compostela (SPA); Universidad de Vigo (SPA); Universidad Nacional de Buenos Aires (ARG); Universidad Nacional del Sur (ARG); Universidade de Sao Paulo (BRA); Universitaet des Saarlandes Saarbruecken (GER); Universitaet fuer Bodenkultur, Vienna (AT); Universitaet Kiel (GER); Universitaet Osnabrueck (GER); Universitaet Stuttgart (GER); Universitat de Barcelona (SPA); Universite de Fribourg (CH); Universiti Malaysia Sarawak (MLY); University College London (UK); University of Aberdeen (UK); University of Berne (CH); University of California (USA); University of California Santa Cruz (USA); University of Delaware (USA); University of Helsinki (FIN); University of Kwazulu-Natal (RSA); University of Malawi, Zomba (MW); University of Massachusetts (USA); University of Nevada Reno (USA); University of Northern British Columbia (CAN); University of San Francisco (USA); University of Tasmania (AUS); University of Texas (USA); University of Toronto (CAN); University of Wales, Aberystwyth (UK); University of West Florida (USA); University of Wolverhampton (UK); University of Zurich (CH); Union College (USA); Uppsala Universitet (SWE);

V
Virginia Commonwealth University (USA);

W
Warwick District Council (USA); Washington County Oregon (USA); West Moreton Anglican College (AUS); Wells Fargo Bank (USA);

X
Xunta de Galicia (SPA);

Y
York University (UK);

Z
Zahnradfabrik Passau GMBH (GER)...
EUCALYPTOLOGICS: GIT Forestry Consulting Eucalyptus Blog / Information Resources on Eucalyptus Cultivation Worldwide / Forestry Engineering, Seed, Plants, Wood, Honey, Essential Oil, Forests, Plantations, Timber, Lumber, Furniture, Veneer, Plywood, MDF Board, Cellulose, Paper, Biomass, Energy, Floristry, Foliage, Garden / Ingenieria Forestal, Semilla, Plantas, Madera, Miel, Aceite Esencial, Bosque, Plantacion, Muebles, Tablero, MDF, Celulosa, Papel, Biomasa, Energia, Ramillo Verde Ornamental, Jardin

And last, but not least, thanks also to all those many other individual readers worldwide who have shared the eucalyptic spirit. You know who you are.


EUCALYPTOLOGICS: 2008 Readership (ongoing)


EUCALYPTOLOGICS gets +650% traffic increase in 3 months / EUCALYPTOLOGICS is currently in the top 5% of the World Wide Web / GIT Forestry Consulting, Consultoria y Servicios de Ingenieria Agroforestal, Lugo, Galicia, España, Spain / Eucalyptologics Information Resources on Eucalyptus Cultivation Around the WorldNet Increase in Readership for GIT Forestry Consulting's EUCALYPTOLOGICS during early 2008. Majority of our readers are located in Europe & North America. (Statistics courtesy of Google Analytics)


Quality matters, but what about quantity?

EUCALYPTOLOGICS gets +650% traffic increase in 3 months / EUCALYPTOLOGICS is currently in the top 5% of the World Wide Web / GIT Forestry Consulting, Consultoria y Servicios de Ingenieria Agroforestal, Lugo, Galicia, España, Spain / Eucalyptologics Information Resources on Eucalyptus Cultivation Around the WorldAlexa Ranking for EUCALYPTOLOGICS, February 2008

We are very pleased with the significant increase in our high profile readership. All in all, EUCALYPTOLOGICS is a highly specialised information resource targeted to a niche audience even if we try to deliver a mix of technical and non technical information to make it less harsh. We rather quality than quantity. But... According to Alexa, the Web Information Company, EUCALYPTOLOGICS has experienced a +650% traffic increase in the last 3 months and is steadily climbing its traffic rank. According to NetCraft estimates, there are currently some 160 million websites in the World Wide Web, of which roughly 70 million are active websites. Crossing both data sets, it can be roughly estimated that GIT Forestry Consulting's Eucalyptus Blog EUCALYPTOLOGICS is currently in the top 5% of the World Wide Web. Three months ago we were in the top 15%. It is a nice progress! (and even more considering we had never started a weblog before!) These results are very pleasing, but must be taken humbly. We are a very small grain of sand compared to the giant rolling stones of the Internet beach. And a niche information resource. Our aim must always be quality.
EUCALYPTOLOGICS: GIT Forestry Consulting Eucalyptus Blog / Information Resources on Eucalyptus Cultivation Worldwide / Forestry Engineering, Eucalyptus Seed, Eucalyptus Plants, Eucalyptus Wood, Eucalyptus Honey, Eucalyptus Essential Oil, Eucalyptus Forests, Eucalyptus Plantations, Eucalyptus Timber, Eucalyptus Lumber, Eucalyptus Furniture, Eucalyptus Veneer, Eucalyptus Plywood, Eucalyptus MDF Board, Eucalyptus Cellulose, Eucalyptus Paper, Eucalyptus Biomass, Eucalyptus Energy, Eucalyptus Floristry, Eucalyptus Foliage, Eucalyptus Garden / Ingenieria Forestal, Semilla de eucalipto, Plantas de eucalipto, Madera de eucalipto, Miel de eucalipto, Aceite Esencial de eucalipto, Bosque de eucalipto, Plantacion de eucalipto, Muebles de eucalipto, Tablero de eucalipto, MDF de eucalipto, Celulosa de eucalipto, Papel de eucalipto, Biomasa de eucalipto, Energia de eucalipto, Ramillo Verde Ornamental de Eucalipto, Jardin de EucaliptoGIT's Eucalyptology Topics

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Eucalyptus as dieback perennials: taking advantage of plant resurrection

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Pictured below, three examples of Eucalyptus growing as ornamental plants in gardens where restrictive winter events lead to aerial part loss and natural regeneration from coppice favours annual regrowth.

Cold hardy ornamental Eucalyptus polyanthemos coppice regrowth as a dieback perennial in a USDA Zone 8 garden / Rebrote de cepa en Eucalipto Silver Dolar ornamental resistente a las heladas / Cold hardy ornamental Eucalyptus Silver Dollar coppice regrowth as a dieback perennial in a USDA Zone 8 garden / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Galicia, España, SpainFig 1: Yearly growth from coppice in Eucalyptus 'Silver Dollar', borderline cold hardy Eucalyptus for USDA Zone 8b (Click image to enlarge)


As we have seen previously in EUCALYPTOLOGICS, many Eucalyptus species have naturally developed an ability to survive events that destroy their aerial part. In their natural habitat fire has been the main factor that lead to some species becoming vigorous coppicers thanks to a progressive culling out of non fit strains.

Cold hardy ornamental Eucalyptus neglecta coppice regrowth as a dieback perennial in a USDA Zone 7 garden / Rebrote de cepa en Eucalipto de Omeo ornamental resistente a las heladas / Cold hardy ornamental Eucalyptus Omeo Gum coppice regrowth as a dieback perennial in a USDA Zone 7 garden / GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Galicia, España, Spain
Fig 2: Yearly growth from coppice in Eucalyptus 'Omeo Gum', borderline cold hardy Eucalyptus for USDA Zone 7b (Image courtesy of Triple Oaks Nursery & Herb Garden, NJ)

Human driven introduction of Australian Eucalyptus as garden elements to areas where winters are more restrictive than in their natural habitats can lead to different results. When the chosen species is cold hardy enough for its new habitat, it tends to grow freely and attain its normal size and growth habit. When it is too tender for its new habitat, total loss can be the result after a bad winter. But when it is a borderline species, and a good coppicer, it can behave like an annual perennial, shooting every spring and growing to a limited size before next frost events wipe it out again. Another example of eucalypt resurrection, where frosts play the role of fire, just with a higher frequency.

Cold hardy ornamental Eucalyptus camphora coppice regrowth as a dieback perennial in a USDA Zone 7 garden / Rebrote de cepa en Eucalipto Camphor Gum ornamental resistente a las heladas / Cold hardy ornamental Eucalyptus Camphor Gum coppice regrowth as a dieback perennial in a USDA Zone 7 garden /GIT Forestry Consulting, Consultoría y Servicios de Ingeniería Agroforestal, Galicia, España, Spain
Fig 3: Yearly growth from coppice in Eucalyptus "Camphor Gum", borderline cold hardy Eucalyptus for USDA Zone 7b (Image courtesy of Triple Oaks Nursery & Herb Garden, NJ)


Some advantages of cold hardy ornamental Eucalyptus as annual perennials
  • Natural size control mechanism for species that could become excessively big sized if cultivated small gardens
  • Display of juvenile foliage every year, excellent option for those species having in it its major ornamental features
  • Additional size control via pollarding or pruning is possible after milder than usual winters
  • Makes growing some of the cold hardiest species of Eucalyptus possible in very restrictive climates (USDA Zones 7b and 6a in some cases)

Some disadvantages of cold hardy ornamental Eucalyptus as annual perennials
  • Nutrient cycle disrupted for the yearly loss of aerial parts, being fertilising a good corrective measure in the long term
  • Possibility of decline in coppice vigour in the long term
  • Fragility of new shoots in case of late sudden and heavy frost events
  • Little chances of flowering and seed set
  • Coppice ability is not unlimited, so sooner or later plant replacement might be necessary even with the best care

Some advice to promote good coppice in cold hardy ornamental Eucalyptus
  • Choose Eucalyptus species that are reasonably cold hardy for your conditions
  • Choose Eucalyptus species that are reliable coppicers
  • Add a thick layer of protective mulching during the worst of winter to avoid ice induced injuries to the base of the trunk or to the lignotuber
  • Pay attention to good weeding so the basal area of the eucalypt is well exposed to light to aid quick growth in new shoots from coppice once frost season is over
  • Try to remove the dead aerial part (dead wood) during late winter or better once frost season is over to encourage regrowth from lignotuber instead of regrowth from the naked buds located in branchlet axils
  • Keep an schedule for organic or mineral soil fertilization to avoid nutrient depletion or to replenish easily assimilable soil nutrient pools in the long term
  • Keep good irrigation during dry spring spells and/or summer drought in arid areas to encourage bigger annual sizes
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© 2007 Gustavo Iglesias Trabado. Please contact us if you want to use all or part of this text and photography elsewhere. We like to share, but we do not like rudeness.

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