Usda Plant Hardiness Zone Map

The map is produced by the US. If they are following the zone system then each zone is 10F higher than the last one making Zone 12 at 50 F and Zone 13 at 60 F. To make it the USDA split the nation into 13 primary zones each one colder than the last by 10 degrees Fahrenheit. Regional 150dpi 300dpi 72dpi 150dpi.

Usda Plant Hardiness Zones

This map shows higher zones than the accepted USDA map allows forthe USDA hardiness zone map simply assigns Zone 11 for anywhere with an average annual minimum temperature above 40 F.

Usda Plant Hardiness Zone Map. Plant Hardiness Zone Map The 2012 USDA Plant Hardiness Zone Map website includes an interactive-GIS map that allows the viewer to click down in scale to one-half mile. Each growing zone is 10F warmer or colder in an average winter than the adjacent zone. 1982 rows Based on the 1990 USDA Hardiness Zone Map this interactive version covers the state.

It has been adapted by and to other. Based on the 1990 USDA Hardiness Zone Map this interactive version covers the state of Wyoming which ranges from USDA Zone 2a to USDA Zone 5b. 1990 USDA Hardiness Zone Maps for Neighboring States and Provinces.

Scroll down to find the map you are interested in or begin by clicking on a location in the map to access maps for that area. Hardiness zones are based on the average annual extreme minimum temperature during a 30-year period in the past not the lowest. Department of Agriculture USDA Agricultural Research Service ARS and is available on their website.

Hardiness Zone Wikipedia