Boyd County, Kentucky, KY, USA plant hardiness zones (gardening zones)
Plant hardiness zones (winter frost zones or gardening zones) range for Boyd County, Kentucky (KY), USA is:
by the USDA scale.
• coldest zone's winter temperature: −5 … 0 °F
Plant hardiness zones (winter frost zones or gardening zones) range for Boyd County, Kentucky (KY), USA is:
by the USDA scale.
• coldest zone's winter temperature: −5 … 0 °F