The USDA Plant Hardiness Zone Map consists of 13 individual zones that take in all of the contiguous United States, plus Alaska, Hawaii, and Puerto Rico. The first zone lies at the coldest and ...

Zones 1-6 are the coldest, and 7-13 the warmest. Zone 1 averages -60 degrees F while zone 13 never drops below 70 degrees F.

The health benefits of avocados are numerous, and there is no need to be afraid of the fat, writes Rainer Hoenicke, a UC ...

Check USDA’s interactive Cold Hardiness Zone Map to type in your Zip code and see your exact hardiness rating. Hardiness ratings are listed on plant tags and most plant signs. Perennials are ...