Knoxville, Tennessee is in USDA Hardiness Zones 7a.Click to see full answer. People also ask, what gardening zone is Tennessee?Tennessee is comprised of seven USDA hardiness zones: 5a, 5b, 6a, 6b, 7a, 7b, and 8a. Northern areas in zone 5b experience the state’s lowest temperatures dipping to minus 15 degrees Fahrenheit.Also, what planting zone is Johnson City TN? Johnson City, Tennessee is in USDA Hardiness Zones 6b and 7a. Likewise, what are the zones for planting? The USDA Hardiness Zone Map divides North America into 11 separate planting zones; each growing zone is 10°F warmer (or colder) in an average winter than the adjacent zone.What USDA zone is east Tennessee?Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Tennessee which ranges from USDA Zone 6a to USDA Zone 7b.
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