Poplar Bluff, Missouri is in USDA Hardiness Zones 7a
Poplar Bluff, Missouri Hardiness Zone Map
Poplar Bluff Border
Zone 7a 0°F to 5°F
A hardiness zone is a geographically defined area in which a specific category of plant life is capable of growing, as defined by climatic conditions, including its ability to withstand the minimum temperatures of the zone.