USDA hardiness zone 7a
USDA plant hardiness zone 7a covers areas whose average annual extreme minimum winter temperature is 0 to 5 °F — the standard USDA measure of which perennials survive an average winter. Hardiness zone sets winter survival, but planting DATES depend on your local frost calendar, which varies within a zone. 809 locations on this site fall in zone 7a (Adamstown, PA, Adrian, TX, Advance, MO, Alderson, WV, Allison, TX, Altamont, KS, Alton, MO, Alum Creek, WV, and 801 more); open one to see its frost dates, growing-season length, and a printable per-crop planting calendar.
Locations in zone 7a — 60 of 809
| Location | Last frost | First frost | Season (days) |
|---|---|---|---|
| Adamstown, PA | Apr 26 | Oct 19 | 176 |
| Anna, IL | Apr 8 | Oct 29 | 203 |
| Avon Lake, OH | Apr 22 | Nov 1 | 192 |
| Bella Vista, AR | Apr 5 | Oct 28 | 204 |
| Billings, OK | Apr 15 | Oct 26 | 194 |
| Boonville, IN | Apr 12 | Oct 25 | 196 |
| Brookneal, VA | Apr 15 | Oct 24 | 191 |
| Cairo, IL | Apr 2 | Oct 31 | 211 |
| Carlisle, PA | Apr 23 | Oct 18 | 177 |
| Chambersburg, PA | Apr 18 | Oct 25 | 188 |
| Chesterfield, MO | Apr 4 | Oct 29 | 206 |
| Clovis, NM | Apr 20 | Oct 24 | 184 |
| Conchas Dam, NM | Apr 4 | Nov 2 | 210 |
| Creston, WA | Jun 1 | Sep 22 | 112 |
| Dayton, NV | May 12 | Oct 17 | 155 |
| Dryden, VA | Apr 20 | Oct 23 | 186 |
| Egg Harbor, NJ | Apr 18 | Oct 29 | 190 |
| Erda, UT | May 2 | Oct 16 | 165 |
| Falmouth, MA | May 7 | Oct 9 | 156 |
| Fort Sumner, NM | Apr 9 | Oct 30 | 201 |
| Gainesboro, TN | Apr 20 | Oct 22 | 183 |
| Goldendale, WA | May 19 | Sep 25 | 126 |
| Greenville, MO | Apr 2 | Nov 2 | 215 |
| Hardinsburg, KY | Apr 17 | Oct 23 | 187 |
| Hazard, KY | Apr 6 | Nov 1 | 208 |
| Hillsborough, NJ | Apr 16 | Oct 27 | 192 |
| Horsham, PA | Apr 4 | Nov 7 | 216 |
| Isabella, OK | Apr 7 | Nov 2 | 208 |
| Kansas, MO | Apr 4 | Nov 2 | 211 |
| Kissee Mills, MO | Apr 6 | Oct 31 | 205 |
| Lake Santeetlah, NC | Apr 17 | Oct 27 | 193 |
| Leupp, AZ | Apr 14 | Oct 25 | 192 |
| Louisa, VA | Apr 26 | Oct 20 | 175 |
| Manchester, KY | Apr 29 | Oct 16 | 170 |
| Mayhill, NM | May 7 | Oct 11 | 155 |
| Meyers, CA | Jun 4 | Oct 3 | 120 |
| Modena, UT | May 20 | Oct 3 | 136 |
| Mount Vernon, IN | Apr 7 | Oct 28 | 202 |
| Neosho, MO | Apr 7 | Oct 31 | 206 |
| New Plymouth, ID | Apr 19 | Oct 20 | 183 |
| Okanogan, WA | Apr 30 | Oct 7 | 160 |
| Osage Beach, MO | Mar 31 | Nov 3 | 216 |
| Pendleton, OR | Apr 22 | Oct 9 | 170 |
| Pittsburgh, PA | Apr 24 | Oct 27 | 186 |
| Princeton, WV | Apr 21 | Oct 22 | 182 |
| Red Lake, AZ | May 22 | Oct 5 | 135 |
| Rocky Point, OR | Jun 8 | Sep 24 | 108 |
| Salt Lake, UT | Apr 24 | Oct 19 | 178 |
| Scottsville, VA | Apr 23 | Oct 21 | 180 |
| Sicklerville, NJ | Apr 28 | Oct 15 | 169 |
| Spanish Valley, UT | Apr 11 | Oct 23 | 192 |
| Springdale, WA | Jun 6 | Sep 11 | 94 |
| Stinnett, TX | Apr 20 | Oct 25 | 187 |
| Swannanoa, NC | Apr 22 | Oct 24 | 184 |
| Towaoc, CO | May 27 | Sep 28 | 125 |
| Vaughn, NM | Apr 18 | Oct 26 | 188 |
| Washington, DC | Mar 29 | Nov 8 | 224 |
| West Point, NY | Apr 10 | Nov 1 | 204 |
| Whittier, AK | May 20 | Oct 9 | 142 |
| Wintergreen, VA | May 2 | Oct 13 | 162 |
Data: NOAA NCEI U.S. Climate Normals 1991–2020 (public domain) and USDA Plant Hardiness Zone Map 2023. Planting windows synthesized from U.S. Cooperative Extension guides.
What zone 7a means for your garden
A plant rated "hardy to zone 7a" can be expected to survive a winter whose coldest night lands in the 0 to 5 °F range — the metric the USDA map is built on. That governs perennials, shrubs, and trees. For annual vegetables, what matters is the frost calendar: the dates of the average last spring and first fall freeze, which set when it is safe to plant and how long the season runs. Those come from the individual location pages above.
Zones are from the USDA Plant Hardiness Zone Map 2023, matched to each location's ZIP — see the methodology page. Browse all hardiness zones or crop-by-crop timing.
Frequently asked questions
- What temperature range is USDA zone 7a?
- Zone 7a covers areas whose average annual extreme minimum winter temperature is 0 to 5 °F. Each numbered zone is a 10°F band; the "a" and "b" half-zones split it into 5°F steps.
- Does zone 7a tell me when to plant?
- No — the hardiness zone tells you which perennials survive winter, not when to sow annual vegetables. Planting dates depend on your local last and first frost, which can vary within a single zone. Open one of the sample locations in zone 7a to see its frost calendar and per-crop planting windows.
- What can I grow in zone 7a?
- Almost any common vegetable can be grown in zone 7a; what changes with zone and local climate is the timing and the length of the season. Cold-hardy crops (peas, spinach, lettuce) go out earliest, tender crops (tomatoes, peppers, basil) after the last frost. Use each location's calendar for exact dates.