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Wednesday, January 25, 2012

2012 USDA Plant Hardiness Zone Map

In case you are wondering about where exactly you are situated in the USDA plant hardiness zone maps here are a couple to look at. One is the national map and the other is the Tennessee State map.  The maps are useful when determining which plants to plant in your area.  The zone map shows you the lowest expected temperatures in an area. 

You have to take this with a grain of salt though.  If you live in a frost pocket or have various micro-climates in your garden the plants can perform differently.  Our house is situated in a frost pocket and despite the USDA zone map which shows us in a zone 7a location and has a 0°-5° Fahrenheit low. We typically end up with temperatures below 0°F once or twice a season.  


National USDA Plant Hardiness Zone Map

(Click on the Map to see a larger picture)


Tennessee USDA Plant Hardiness Zone Map

(Click on the map to see a larger picture)

It's interesting that there is so much similarity between the USDA zone map and the Arbor Day map from a few years ago! You can look at your state or area by visiting the USDA Plant Hardiness Zone Map.

2 comments :

  1. Hard to believe we've gone from zone 4 to zone 5b in the last few years! I always play it safe and purchase zone 3-5a plants. :-) Happy 2012

    ReplyDelete

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