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The Berry Botanic Garden in Portland, Oregon, like the Peavy Arboretum, proves that Metasequoias may grow as well in Oregon as they do in the Delaware Valley region. The Berry Botanic Garden was established in 1978 on grounds belonging to a well known local gardener The one Metasequoia here is growing extremely well. The climate in the northwest is well known for its constant rain and temperate conditions. The ecosystem is the Pacific lowland mixed forest, and the Hardiness Zone is Zone 8, which is a tropical zone. While obviously the northwest is not tropical, hardiness zones refer only to the average low temperature, and the Pacific Northwest is famous for having very moderate temperatures, typically not reaching too high or too low. Winds are low in the Willamette Valley where the Berry Botanic Garden is, while they are high in the surrounding mountainous regions. Precipitation is average to above average, but certainly not as high as the areas surrounding the valley. The dominant soil orders are Alfisols, Inceptisols, Mollisols, and Ultisols. |
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Clearly Metasequoias thrive in the Willamette Valley in Oregon, while they would not be nearly as suited for the surrounding mountainous areas where there is a huge amount of rainfall and heavy winds. There is only one Metasequoia at the Berry, but it has grown well. It was received in 1965 from the Lichuan Forest Research Institute and was planted on moist hill seep. It has grown well, currently 90 feet tall with a base that is 29 inches in diameter. While this tree has not grown as tall as the 140 foot giant at the Peavy, it is nonetheless very impressive. Berry Botanic Garden 11505 SW Summerville Avenue Portland, Oregon 97219 |
Data courtesy the Berry Botanic Garden. Photo courtesy Berry Botanic Garden and Raj Sarda.
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