USDA Planting Zones in the Northwestern USA Range from 3a to 8a
- United States Mainland - The lower 48 States of the USA
- Northwestern USA - Washington - Montana - Oregon - Idaho
- North Central USA - Wyoming - North Dakota - Nebraska - Iowa - Minnesota - Wisconsin
- Northeastern USA - Illinois - Michigan - Maine - Vermont - New Hampshire - New York - Massachusetts - Rhode Island - Pennsylvania - Virginia - West Virginia - Ohio - Indiana
- Southwestern USA - California - Nevada - Utah - Arizona
- South Central USA - New Mexico - Colorado - Missouri - Texas - Oklahoma - Kansas - Arkansas - Louisiana
- Southeastern USA - Alabama - Mississippi - Tennessee - North Carolina - South Carolina - Georgia - Florida
- Alaska - Hawaii - East Canada - West Canada - Mexico