Last frost date in Ardmore, Oklahoma
March 15
Average last frost in spring. In an early year (1 in 10) it's over by February 24; in a late year (1 in 10) it comes after April 2.
November 14
Average first frost in fall. 1 year in 10 it comes by October 29.
Source: NOAA U.S. Climate Normals 1991–2020, station Ardmore (USC00340292), 2.2 miles from Ardmore, elevation 841 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Feb 24 | Mar 15 | Apr 2 |
| First frost in fall | Oct 29 | Nov 14 | Dec 2 |
Frost-free days in an average year: 244
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Mar 27 | Nov 5 |
| Frost (32°F) | Every year | Mar 15 | Nov 14 |
| Hard freeze (28°F) | Every year | Mar 3 | Nov 26 |
Nights at 32°F or colder in an average year: 46
What to plant now in Ardmore
- Mustard greensAug 15 – Nov 1Now
- Garden peasSept 1 – Nov 1Now
- ParsleySept 1 – Nov 15Now
- RadishesSept 1 – Nov 15Now
- SpinachSept 15 – Nov 1Now
- Corn saladOct 1 – Dec 1Now
- Onion setsOct 1 – Dec 1Now
- Upland cressOct 1 – Dec 1Now
- Asparagus plantsDec 1 – Jan 1Soon
- Spring planting calendar for an average last frost around March 10 Ardmore: March 15
- Fall planting calendar for an average first frost around November 10 Ardmore: November 14
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
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