What is Your Hardiness on the Latest Map?

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26 March 2013

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It’s been slightly over a year since the USDA released the updated Hardiness zone map. Hardiness Zones, Gardening Zones, Growing Zones and Plant Zones refer to defined geographic regions that can support specific plants, flowers and trees. The zones define a minimum range of temperatures that a plant or tree can survive safely in that zone. In a winter like we’ve just gone through, this is exactly why we have these maps, and why they’re updated.

This is the first update that we’ve seen to the map since 1990. That map covered the time period of 1961 to 1990. Have you visited the new internet based website since zone map? Did you know that maps are no longer printed? Way to be green! Visit: www.planthardiness.ars.usda.gov.
This map was developed by the USDA’s Agricultural Research Service (ARS) and Oregon State University’s PRISM Climate Group. The chief intramural agency of the USDA who is responsible for scientific research is the ARS group.
The zone designations do not reflect the coldest that it has ever been, rather it covers the average lowest winter temperature for the location over a specified time. A critical factor in plant survival is at what low temperature in winter can the plant survive.
Connecticut has only 4 zones. Give it a try by zip code or state. You may be surprised to find that your zone and temperature has changed! Chat me below and let me know what you think or found that surprised you!
Can you find the state with the most zones?

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