The online sources on our list are also jam-packed with garden information—much more than you would get if you went to a brick-and-mortar store. The best sites have video tutorials, articles ...

A hardiness zone is a geographic area with a similar average minimum temperature. The map is based on the average annual ...

A hardiness zone is a geographic area with a similar average minimum temperature. The map is based on the average annual extreme minimum temperature, so people in those areas know which plants can ...

Here's which planting region Wisconsin falls in and how to look up the plant hardiness in your zip code. Trouble seeing the map? Click here to view the planting zones for the North Central U.S ...