Usda Cold Hardiness Zone

However its important to note they do not account for maximum temperatures so some plants may. Cold Hardiness zones are based on the average annual minimum temperature in a given area of the country with USDA Zone 1 being the coldest at minus 50 degrees F and USDA Zone 13 the warmest at above 60 degrees F. USDA cold hardiness zones for Texas and the average minimum low temperatures expected for those zones. Hardiness zones are based on the average annual extreme minimum temperature during a 30-year period in the past not the lowest temperature that has ever occurred in the past or might occur in the future.

Usda Plant Hardiness Zones

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

Usda Cold Hardiness Zone. Cold Hardiness zones are based on the average annual minimum temperature in a given area of the country with USDA Zone 1 being the coldest at minus 50 degrees F -456 degrees C and USDA Zone 11 the warmest at above 40 degrees F 44 degrees C. Use this initiative to form teams around a problem and invite your community to participate. USDA Unveils New Plant Hardiness Zone Map By Kim Kaplan January 25 2012 WASHINGTONThe US.

1990 USDA Hardiness Zone Maps for Neighboring States and Provinces. This tundra environment is extremely harsh and plants must have extreme cold hardiness and drought tolerance. Each of the maps colored zones is separated by 10 degrees.

USDA Cold Hardy Zone Map Hardy Palm Tree Farm USDA Plant Hardiness Zone Map Since 2012 USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location. If they are following the zone system then each zone is 10 F higher than the last one making Zone 12 at 50 F and Zone 13 at 60 F. The majority of Zone 1 is located in Alaska.

Hardiness Zone Wikipedia