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CUES: Center for Urban Ecology and Sustainability

Weather and Exposure Stresses - Slide 4

Occasionally, evergreens suffer from freeze drying which is more common when they are exposed to either very early (autumn) freezing conditions or very late (spring) freezing conditions. They haven't hardened off enough or have emerged from their full winter dormancy and are more vulnerable to temperature extremes, such as this white fir that was exposed to temperatures less than 10 degrees F in mid-April.
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Last modified on March 06, 2013