Harlem, GA frost dates
How Harlem compares
- In 8 years out of 10, the last spring frost in Harlem falls between March 7 and April 13, a 37-day window. The first fall frost falls between October 26 and November 24.
- The median last frost is 6 days later than the Georgia median of Mar 21.
- Its 225-day growing season is longer than 31% of the 618 Georgia places with a regular frost season (state median 235 days).
- The last frost is 11 days later than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 66 nights a year at or below 32°F.
- Compared with Athens, GA, 116 km away, the last frost here is 4 days later than there and the growing season is 7 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 7 |
| 50% (median) | March 27 |
| 10% (safe for tender plants) | April 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 26 |
| 50% (median) | November 7 |
| 90% (late) | November 24 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Harlem, GA
Harlem, GA frost dates — last frost Mar 27, first frost Nov 7, zone 8b. whenisthelastfrost.com
When to plant vegetables in Harlem, GA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 2 – Jan 16 | Feb 27 – Mar 13 | — | — |
| Peppers | Jan 16 – Jan 30 | Apr 10 – Apr 24 | — | — |
| Eggplant | Jan 16 – Jan 30 | Apr 10 – Apr 24 | — | — |
| Tomatoes | Jan 30 – Feb 13 | Apr 3 – Apr 17 | — | — |
| Lettuce | Jan 30 – Feb 13 | Mar 6 – Mar 20 | Feb 27 – Apr 3 | Sep 12 – Oct 10 |
| Kale | Jan 30 – Feb 13 | Feb 27 – Mar 13 | Feb 27 – Mar 13 | Aug 29 – Sep 19 |
| Broccoli | Jan 30 – Feb 13 | Mar 13 – Mar 27 | — | Aug 1 – Aug 22 |
| Cabbage | Jan 30 – Feb 13 | Mar 6 – Mar 20 | — | Aug 1 – Aug 22 |
| Cauliflower | Jan 30 – Feb 13 | Mar 13 – Mar 27 | — | Aug 1 – Aug 22 |
| Okra | Feb 13 – Feb 27 | Apr 17 – May 1 | Apr 17 – May 1 | — |
| Basil | Feb 13 – Feb 27 | Apr 3 – Apr 17 | — | — |
| Peas | — | — | Feb 13 – Mar 6 | Aug 15 – Sep 5 |
| Spinach | — | — | Feb 13 – Mar 6 | Sep 12 – Oct 3 |
| Radishes | — | — | Feb 20 – Apr 3 | Sep 26 – Oct 17 |
| Cucumbers | Feb 27 – Mar 6 | Apr 10 – Apr 17 | Apr 3 – Apr 17 | Aug 22 – Sep 5 |
| Zucchini & Summer Squash | Feb 27 – Mar 6 | — | Apr 3 – Apr 17 | Aug 29 – Sep 12 |
| Winter Squash & Pumpkins | Feb 27 – Mar 6 | — | Apr 3 – Apr 17 | — |
| Melons & Watermelon | Feb 27 – Mar 6 | Apr 10 – Apr 24 | — | — |
| Carrots | — | — | Mar 6 – Apr 3 | Aug 15 – Aug 29 |
| Beets | — | — | Mar 6 – Apr 3 | Aug 29 – Sep 12 |
| Potatoes | — | — | Mar 6 – Mar 27 | — |
| Swiss Chard | — | — | Mar 13 – Apr 10 | Aug 29 – Sep 12 |
| Cilantro | — | — | Mar 13 – Apr 3 | Sep 12 – Oct 3 |
| Green Beans | — | — | Apr 3 – Apr 24 | Aug 22 – Sep 5 |
| Sweet Corn | — | — | Apr 3 – Apr 17 | — |
| Sweet Potatoes | — | Apr 10 – May 1 | — | — |
| Garlic | — | — | — | Oct 24 – Nov 28 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Appling 2 Nw, GA weather station, 16 km away (elevation 397 ft (121 m)).
Frost dates near Harlem
- Dearing Mar 14 · Nov 17
- Grovetown Feb 27 · Dec 4
- Blythe Mar 23 · Nov 9
- Matthews Mar 14 · Nov 17
- Thomson Mar 14 · Nov 17
- Evans Feb 27 · Dec 4
- Augusta Feb 27 · Dec 4
- Hephzibah Mar 23 · Nov 9
- Boneville Mar 14 · Nov 17
- Appling Mar 27 · Nov 7
Frequently asked questions
When is the last frost in Harlem, GA?
The median last spring frost in Harlem, GA is March 27. There is still about a 10% chance of frost after April 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Harlem, GA?
The median first fall frost is November 7, with about a 10% chance of frost before October 26.
How long is the growing season in Harlem, GA?
About 225 days between the median last spring frost and first fall frost.
What planting zone is Harlem, GA?
Harlem, GA is in USDA hardiness zone 8b.