The US Department of Agriculture has come out with a new map of the climate zones across the nation. As can be expected, there has been some significant changes from the prior map that was issued in 1990. The map provides a guideline for which plants will be successful in gardens.The most striking changes are across the Midwest, Southern Plains, and Mountain Time Zone. Some areas have seen marked warming allowing for the growth of plants that were thought to be impossible to grow in those areas for generations.
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It is quite amazing to see how much change occurred in less than 20 years, and it will be quite interesting to see the next edition of this map 15 to 18 years down the road. That next map will be shocking.
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