Note: Blue boxes indicate counties where the crop is grown. Regions have been delineated by Interstates I-70 and I-25.
Location of Production
| Northwest | Northeast | Southeast | Southwest |
| Boulder, Larimer | Adams, Kit Carson, Logan, Morgan, Phillips, Sedgwick, Washington, Weld, and Yuma. | Arapahoe, Cheyenne, Elbert, wsprod, Lincoln |
