USDA Plant Hardiness Zone Maps – a new resource is added

USDA Plant Hardiness Zone Maps

Description: The US Department of Agriculture recently updated their plant hardiness zone maps, which are “the standard by which gardeners and growers can determine which plants are most likely to thrive in a certain location.” They calculate this map based on average minimum winter temperature.

Link: http://chartporn.org/2012/01/26/not-a-global-warming-map/

Note: The Washington Post has a cool visualization that allows you to compare 1990 and 2012 plant hardiness maps here (http://www.washingtonpost.com/wp-srv/special/local/planthardinesszones/index.html). Think about ways your students could use these maps to explore ideas about climate.

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