Re:The USDA's gardening zones shifted, this map shows you wh...
by angry_moose on Monday May 13, 2024 @10:09AM
(#40343584)
The map has an explanation:
About this data
The 2012 USDA hardiness zones were calculated using the average lowest winter temperature for the observation period of 1976-2005. The new zones are calculated using the years 1991-2020. These two observation windows overlap. Colors show the difference between the two 30-year averages for each place on the map.
About this data
The 2012 USDA hardiness zones were calculated using the average lowest winter temperature for the observation period of 1976-2005. The new zones are calculated using the years 1991-2020. These two observation windows overlap. Colors show the difference between the two 30-year averages for each place on the map.
My area is 3.8F warmer using this method.