Uncovering Zone 12: Secrets Behind the US Plant Hardiness Map We weren’t able to create a summary for you. Refresh your page to try again. To find the Plant Hardiness Zone at your location quickly, enter your zip code in the Quick Zip Code Search box in the map above, or click anywhere on the map to view the corresponding interactive map . To find the Plant Hardiness Zone at your location quickly, enter your zip code in the Quick Zip Code Search box in the map above, or click anywhere on the map to view the corresponding interactive map . Plant Hardiness Zone Map The USDA Plant Hardiness Zone Map w... How are the zone numbers and colors interpreted? A hardinesszone is a geographic area defined as having a certain average annual minimum temperature, a factor relevant to the survival of many plants. In some systems other statistics are included in the calculations. The legend of the planthardinesszonemap. Us Gardening Zones.TheUS Department of Agriculture (USDA) has released a new planthardinesszonesmap. To find out how this information affects your garden and your garden plans for the season ahead, read the article and save this Pin. Your Growing Zone.Note: USDA updated their hardinesszones across theUS in November of 2023. The above map & growing zone search used on site is the most updated version. Zone 8 Zone 8 comprises most of the southern US, including North Carolina, South Carolina, Georgia, Alabama, Mississippi, Louisiana, Arkansas, and Texas. Plants that are hardy to this zone thrive in warmer climates and include:[20] X Research source.