Where zone 7a shows up
| Location | Zone | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|---|
| Amarillo, TX | 7a | Apr 15 | Oct 29 | 197 |
| Atlantic City, NJ | 7a | Apr 18 | Oct 29 | 194 |
| Boston, MA | 7a | Apr 4 | Nov 9 | 219 |
| Charleston, WV | 7a | Apr 16 | Oct 26 | 193 |
| Erie, PA | 7a | Apr 26 | Nov 4 | 192 |
| Evansville, IN | 7a | Apr 4 | Oct 29 | 208 |
| Grand Junction, CO | 7a | Apr 23 | Oct 20 | 180 |
| Juneau, AK | 7a | May 4 | Oct 3 | 152 |
| Lexington, KY | 7a | Apr 13 | Oct 28 | 198 |
| Pittsburgh, PA | 7a | Apr 18 | Oct 28 | 193 |
| Santa Fe, NM | 7a | May 4 | Oct 15 | 164 |
| Yakima, WA | 7a | May 8 | Oct 4 | 149 |
| New York City, NY | 7a | Apr 11 | Nov 1 | 204 |
| Louisville, KY | 7a | Apr 9 | Oct 30 | 204 |
| Wichita, KS | 7a | Apr 12 | Oct 26 | 197 |
| Newark, NJ | 7a | Apr 11 | Nov 1 | 204 |
| St. Louis, MO | 7a | Apr 5 | Oct 30 | 208 |
| Jersey City, NJ | 7a | Apr 11 | Nov 1 | 204 |
| Providence, RI | 7a | Apr 18 | Oct 24 | 189 |
| Clarksville, TN | 7a | Apr 7 | Oct 29 | 205 |
| Paterson, NJ | 7a | Apr 11 | Nov 1 | 204 |
| Bridgeport, CT | 7a | Apr 20 | Oct 24 | 187 |
| West Valley City, UT | 7a | Apr 19 | Oct 24 | 188 |
| New Haven, CT | 7a | Apr 15 | Oct 31 | 199 |
| Elizabeth, NJ | 7a | Apr 11 | Nov 1 | 204 |
| Stamford, CT | 7a | Apr 21 | Oct 23 | 185 |
| Sunset Park, NY | 7a | Apr 11 | Nov 1 | 204 |
| North Stamford, CT | 7a | Apr 21 | Oct 23 | 185 |
| Provo, UT | 7a | Apr 30 | Oct 14 | 167 |
| Edison, NJ | 7a | Apr 11 | Nov 1 | 204 |
| New Bedford, MA | 7a | Apr 21 | Oct 23 | 185 |
| Sparks, NV | 7a | May 5 | Oct 15 | 163 |
| Orem, UT | 7a | Apr 30 | Oct 14 | 167 |
| Fall River, MA | 7a | Apr 18 | Oct 24 | 189 |
| Lynn, MA | 7a | Apr 19 | Oct 24 | 188 |
| Meridian, ID | 7a | May 7 | Oct 10 | 156 |
| Nampa, ID | 7a | Apr 25 | Oct 14 | 172 |
| Trenton, NJ | 7a | Apr 16 | Oct 27 | 194 |
| Norwalk, CT | 7a | Apr 20 | Oct 24 | 187 |
| Reading, PA | 7a | Apr 18 | Oct 25 | 190 |
| Greenburgh, NY | 7a | Apr 21 | Oct 23 | 185 |
| Clifton, NJ | 7a | Apr 11 | Nov 1 | 204 |
| Danbury, CT | 7a | Apr 20 | Oct 24 | 187 |
| East Norwalk, CT | 7a | Apr 20 | Oct 24 | 187 |
| Fayetteville, AR | 7a | Apr 8 | Oct 29 | 204 |
| Warwick, RI | 7a | Apr 18 | Oct 24 | 189 |
| Wilmington, DE | 7a | Apr 13 | Oct 30 | 200 |
| Huntington, WV | 7a | Apr 16 | Oct 27 | 194 |
States with zone 7a ground
Alaska
Arkansas
Colorado
Connecticut
Delaware
Idaho
Indiana
Kansas
Kentucky
Massachusetts
Missouri
New Jersey
New Mexico
Nevada
New York
Pennsylvania
Rhode Island
Tennessee
Texas
Utah
Washington
West Virginia
Bottom line: zone 7a tells you what will survive your
winter. It does not tell you when to plant — two zone-7a gardens in this list are
34 days apart on last frost.
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