Gardening Zones – page 4

Zone Definition: Zone 4b is defined by the USDA Plant Hardiness Zones as regions with average annual minimum temperatures ranging from -25°F to -20°F (-31.7°C...

Zone Definition: Zone 4a is defined by the USDA Plant Hardiness Zones as regions with average annual minimum temperatures ranging from -30°F to -25°F (-34.4°C...

Zone Definition: Zone 3b is defined by the USDA Plant Hardiness Zones as regions with average annual minimum temperatures ranging from -35°F to -30°F (-37.2°C...

Zone Definition: Zone 3a is defined by the USDA Plant Hardiness Zones as regions with average annual minimum temperatures ranging from -40°F to -35°F (-40°C...

Zone Definition: Zone 2b is defined by the USDA Plant Hardiness Zones as regions with average annual minimum temperatures ranging from -45°F to -40°F (-42.8°C...

Zone Definition: Zone 2a is defined by the USDA Plant Hardiness Zones as regions with average annual minimum temperatures ranging from -50°F to -45°F (-45.6°C...