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Author Topic: Altitude zone vs. hardiness zone  (Read 915 times)


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Altitude zone vs. hardiness zone
« on: February 10, 2011, 06:01:15 PM »
Please can anyone direct me to information comparing orchid hardiness in meters of altitude to USDA hardiness zones or minimum temperatures?  I am a reading a book on native orchids in China and it gives all of the habitat ranges in meters.  Thanks


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