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Category: Precision Gardening | Posted: Wed Nov 08, 2017 7:31 pm

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So if you've been reading my blog, then you know that what I try to do is review the different types of precision gardening tools that exist out there so that gardeners have a better chance growing their plants, specifically their home grown veggies.

so in my last blog we reviewed a company by the name of Growmigo. This week I'll review the USDA hardiness zone maps.

The hardiness zones maps are provided by the US Department of Agriculture and they are a calculation of the probability of frost occurring.

Hardiness zone maps measure the average of the lowest recorded temperatures for a specific location over the last 30 years and then places these results in a scale, also called zones.

Each area in the United States is then divided by So if you go to the USDA map it will tell you to put your zip code, and the it will tell you what zone you belong to.

Most plants cannot survive frost, so if you know what are the average lowest temperatures you can choose plants that can handle those temperatures.

The hardiness zone map is a good tool, but it is not entirely accurate. It neglects extreme hot temperatures, which are becoming more of problem and as the planet warms up will have a larger effect.

So if I compare the USDA zone map to Growmigo, then the latter is probably easier to use. The USDA zone map however is still a little more accurate.



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