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One of the steps in this process of increasing eucalypt growing had to do with the works of an Oregonian forester, keen tree grower and adventurous fan of the Australian trees.
Lee O. Hunt (1912?-2002), who would later be President of the Douglas County Small Woodland Association, started methodic experimentation at nursery and field trials with 14 species of Eucalyptus back in 1971, focusing in those with good prospects for timber production in short rotations and having enough potential tolerance to cold as to be grown in Southwestern Oregon and survive winters there.
- North Williamette Experiment Station (Oregon State University, Clackamas County), where temperatures have reached absolute minima of -17ºC in the 1971-2000 period. Earlier Eucalyptus trials assessed by Dr. Robert L. Ticknor, who was also President of the American Rhododendron Society.
- Near Bridge (Douglas County, OR, Highway 42, in the western slope of the Coast Range): 4 species planted in 1975 by Lee O. Hunt.
- Schofield Creek (near Reedsford, Douglas County, OR, 87 km to the NW of Roseburg): 6 species planted in 1978 by Lee O. Hunt.
- Willis Creek Tree Farm (near Winston, Douglas County, OR): 7 species planted in 1979, 8 additional species in 1981, 4 extra species in 1982 by Lee O. Hunt. Suffered temperatures as low as -16ºC during the first winters, albeit in milder winters they did not reach absolute minima below -10ºC.
- Near Warren (to the Northwest of Vancouver, OR) : 3 species in 1984 by Oregon State University.
- Near Siletz (Lincoln County, OR): 3 species in 1985 by OSU.
- Near Corvallis: 2 species in 1987 by OSU.
As an example of this horticultural trend our friend Ian Barclay, currently involved in The Desert Northwest project, has tested over 115 eucalypt species in Olympia and Poulsbo (WA) from the the 1990's onwards. If you have not yet read about cold hardy eucalyptus in Ian's The Hardy Eucalyptus Page, you are certainly missing a great information resource on these plants.
Ticknor, Robert L. (1974) Landscape tree performance. Circular of Information 622. Corvallis, OR: Agricultural Experiment Station, Oregon State University.
Hunt, Lee O. (1978) Speaking for the Private Woodland Owner. Society of American Foresters Journal of Forestry, Volume 76, 12:1 , pp. 781-781
Hunt, Lee O. (1983) Adaptability of some Eucalyptus species in southwest Oregon. In: Standiford, Richard B & Ledig, F Thomas, technical coordinators. Proceedings of a work-shop on Eucalyptus in California, June 14-16, 1983, Sacramento, California. Gen. Tech. Rep. PSW 69. Berkeley, CA: Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture; 9-13
Hunt, Lee O. & Logan, Robert S. (1986) Propagation of Eucalyptus Nursery Seedlings. Tree Planters' Notes 37(2):3-7
Hibbs, David E. (1986) Stand management: Growing eucalypts in Western Oregon. Extension circular no. 1198 - Oregon State University, Extension Service (USA)
Giordano, Peter A ; Hibbs, David E; Fletcher, R; Landgren, Chal; Oester, Paul & Rogers, Bill (1993) Hardwood Species Trials in Oregon. Tree Planters' Notes 44(1):38-42
Turner, John ; Gessel, Stanley P.; & Lambert, Marcia J. (1999) Sustainable Management of Native and Exotic Plantations in Australia. In: Planted Forests: Contributions to the Quest for Sustainable Societies, Chapter 16. New Forests 7(1-3) & 8(1).
Barclay, Ian (2002) Hardy Eucalypts in the Pacific Northwest. Pacific Northwest Palm & Exotic Plant Society. Hardy Palm International, Issue #50.
© 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.