Zone 1
New Jersey
Zone 2
Connecticut, Delaware, Maryland, New York, Pennsylvania
Zone 3
Massachusetts, New Hampshire, Rhode Island, Vermont, Virginia
Zone 4
Indiana, Kentucky, Maine, Michigan, North Carolina, Ohio, South Carolina, West Virginia
Zone 5
Alabama, Arkansas, Florida, Georgia, Illinois, Iowa, Minnesota, Mississippi, Missouri, Tennessee, Wisconsin
Zone 6
Kansas, Louisiana, Nebraska, North Dakota, Oklahoma, South Dakota
Zone 7
Colorado, Montana, New Mexico, Texas, Wyoming
Zone 8
Arizona, California, Idaho, Nevada, Oregon, Utah, Washington
Zone 9
Alaska, Hawai'i