Yellowstone County, Montana, MT, USA plant hardiness zones (gardening zones)

Plant hardiness zones (winter frost zones or gardening zones) range for Yellowstone County, Montana (MT), USA is:

• 4a
• 4b

by the USDA scale.

• coldest zone's winter temperature: −30 … -25 °F

• warmest zone's winter temperature: −25 … -20 °F

Cities of Yellowstone County, Montana (MT), USA

• ActonUSDA hardiness zone: 4b
• BallantineUSDA hardiness zone: 4b
• BillingsUSDA hardiness zone: 4b
• BroadviewUSDA hardiness zone: 4b
• CusterUSDA hardiness zone: 4a
• HuntleyUSDA hardiness zone: 4b
• LaurelUSDA hardiness zone: 4b
• LockwoodUSDA hardiness zone: 4b
• Pompeys PillarUSDA hardiness zone: 4a
• ShepherdUSDA hardiness zone: 4b
• WordenUSDA hardiness zone: 4b