| Zone 1 |
Delaware (DL), New York (NY) |
| Zone 2 |
Connecticut (CT), Massachusetts (MA),
Maine (ME), New Hampshire (NH), Rhode Island (RI), Vermont (VT) |
| Zone 3 |
New Jersey (NJ) and Pennsylvania |
| Zone 4 |
Washington DC, Maryland (MD),
Virginia (VA), West Virginia (WV) |
| Zone 5 |
Arkansas (AR), Colorado (CO), Kansas
(KS), Louisiana (LA), Oklahoma (OK), Texas (TX), Utah (UT) |
| Zone 6 |
Alabama (AL), Florida (FL), Georgia
(GA), Missouri (MO), Mississippi (MS), North Carolina (NC),
South Carolina (SC), Tennessee (TN) |
| Zone 7 |
Alaska (AK), Iowa (IA), Illinois
(IL), Minnesota (MN), North Dakota (ND), Nebraska (NE), South
Dakota (SD), Wisconsin (WI), Wyoming (WY) |
| Zone 8 |
Indiana (IN), Kentucky (KY), Michigan
(MI), Ohio (OH) |
| Zone 9 |
Northern California (CA), Idaho (ID),
Montana (MT), Oregon (OR), Washington (WA) |
| Zone 10 |
Arizona (AZ), Southern California
(CA), Hawaii (HI), New Mexico (NM), Nevada (NV) |
|
