Frost dates by city
When is it safe to plant? Pick your city to see the average last spring frost, the date after which frost is unlikely, and a planting calendar for 16 vegetables. Everything comes from NOAA's official 1991–2020 climate normals.
Takes you to that city's frost dates.
Largest cities
| City | Last frost (50%) | Safer (10%) | First frost (50%) | Season |
|---|---|---|---|---|
| New York, NY | Apr 2 | Apr 13 | Nov 14 | 226 days |
| Los Angeles, CA | Frost uncommon | |||
| Chicago, IL | Apr 16 | May 1 | Oct 28 | 193 days |
| Houston, TX | Feb 13 | Mar 12 | Dec 9 | 300 days |
| Phoenix, AZ | Frost uncommon | |||
| Philadelphia, PA | Apr 2 | Apr 13 | Nov 10 | 224 days |
| San Antonio, TX | Feb 26 | Mar 17 | Nov 28 | 277 days |
| San Diego, CA | Frost uncommon | |||
| Dallas, TX | Mar 8 | Mar 26 | Nov 24 | 262 days |
| San Jose, CA | Frost uncommon | |||
| Austin, TX | Mar 12 | Apr 2 | Nov 16 | 252 days |
| Jacksonville, FL | Feb 25 | Mar 19 | Dec 7 | 288 days |
| Columbus, OH | Apr 18 | May 5 | Oct 27 | 191 days |
| Charlotte, NC | Mar 30 | Apr 14 | Nov 3 | 221 days |
| Indianapolis, IN | Apr 15 | May 2 | Oct 26 | 193 days |
| San Francisco, CA | Frost uncommon | |||
| Seattle, WA | Mar 2 | Mar 23 | Nov 23 | 266 days |
| Denver, CO | May 5 | May 19 | Oct 9 | 156 days |
| Washington, DC | Mar 24 | Apr 6 | Nov 18 | 241 days |
| Boston, MA | Apr 4 | Apr 17 | Nov 9 | 218 days |
| El Paso, TX | Mar 2 | Mar 19 | Nov 20 | 261 days |
| Nashville, TN | Mar 31 | Apr 16 | Nov 3 | 217 days |
| Detroit, MI | Apr 20 | May 8 | Oct 27 | 188 days |
| Oklahoma City, OK | Apr 4 | Apr 20 | Nov 2 | 213 days |
| Portland, OR | Mar 13 | Apr 1 | Nov 19 | 247 days |
| Las Vegas, NV | Frost uncommon | |||
| Louisville, KY | Mar 31 | Apr 16 | Nov 7 | 222 days |
| Baltimore, MD | Apr 10 | Apr 25 | Oct 31 | 204 days |
| Milwaukee, WI | Apr 19 | May 2 | Oct 29 | 192 days |
| Albuquerque, NM | Apr 6 | Apr 23 | Nov 3 | 208 days |
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