Manassas, GA frost dates
Last spring frostMar 9median date
First fall frostNov 24median date
Growing season260 daysfrost-free
Hardiness zone9aZone 9a
How Manassas compares
- In 8 years out of 10, the last spring frost in Manassas falls between February 16 and March 30, a 42-day window. The first fall frost falls between November 5 and December 15.
- The median last frost is 12 days earlier than the Georgia median of Mar 21.
- Its 260-day growing season is longer than 86% of the 618 Georgia places with a regular frost season (state median 235 days).
- The last frost is 6 days later than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 30 nights a year at or below 32°F.
- Compared with Savannah, GA, 89 km away, the last frost here is 7 days later than there and the growing season is 13 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 16 |
| 50% (median) | March 9 |
| 10% (safe for tender plants) | March 30 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 5 |
| 50% (median) | November 24 |
| 90% (late) | December 15 |
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 Manassas, GA
Manassas, GA frost dates — last frost Mar 9, first frost Nov 24, zone 9a. whenisthelastfrost.com
Crop
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Start indoors: Dec 15 to Dec 29Transplant outside: Feb 9 to Feb 23
Start indoors: Dec 29 to Jan 12Start indoors: Dec 29 to Jan 12Transplant outside: Mar 23 to Apr 6
Start indoors: Dec 29 to Jan 12Start indoors: Dec 29 to Jan 12Transplant outside: Mar 23 to Apr 6
Start indoors: Jan 12 to Jan 26Transplant outside: Mar 16 to Mar 30
Start indoors: Jan 12 to Jan 26Transplant outside: Feb 16 to Mar 2Sow outdoors: Feb 9 to Mar 16Plant for fall: Sep 29 to Oct 27
Start indoors: Jan 12 to Jan 26Transplant outside: Feb 9 to Feb 23Sow outdoors: Feb 9 to Feb 23Plant for fall: Sep 15 to Oct 6
Start indoors: Jan 12 to Jan 26Transplant outside: Feb 23 to Mar 9Plant for fall: Aug 18 to Sep 8
Start indoors: Jan 12 to Jan 26Transplant outside: Feb 16 to Mar 2Plant for fall: Aug 18 to Sep 8
Start indoors: Jan 12 to Jan 26Transplant outside: Feb 23 to Mar 9Plant for fall: Aug 18 to Sep 8
Start indoors: Jan 26 to Feb 9Transplant outside: Mar 30 to Apr 13Sow outdoors: Mar 30 to Apr 13
Start indoors: Jan 26 to Feb 9Transplant outside: Mar 16 to Mar 30
Sow outdoors: Jan 26 to Feb 16Plant for fall: Sep 1 to Sep 22
Sow outdoors: Jan 26 to Feb 16Plant for fall: Sep 29 to Oct 20
Sow outdoors: Feb 2 to Mar 16Plant for fall: Oct 13 to Nov 3
Start indoors: Feb 9 to Feb 16Transplant outside: Mar 23 to Mar 30Sow outdoors: Mar 16 to Mar 30Plant for fall: Sep 8 to Sep 22
Start indoors: Feb 9 to Feb 16Sow outdoors: Mar 16 to Mar 30Plant for fall: Sep 15 to Sep 29
Start indoors: Feb 9 to Feb 16Sow outdoors: Mar 16 to Mar 30
Start indoors: Feb 9 to Feb 16Transplant outside: Mar 23 to Apr 6
Sow outdoors: Feb 16 to Mar 16Plant for fall: Sep 1 to Sep 15
Sow outdoors: Feb 16 to Mar 16Plant for fall: Sep 15 to Sep 29
Sow outdoors: Feb 16 to Mar 9
Sow outdoors: Feb 23 to Mar 23Plant for fall: Sep 15 to Sep 29
Sow outdoors: Feb 23 to Mar 16Plant for fall: Sep 29 to Oct 20
Sow outdoors: Mar 16 to Apr 6Plant for fall: Sep 8 to Sep 22
Sow outdoors: Mar 16 to Mar 30
Transplant outside: Mar 23 to Apr 13
Plant for fall: Nov 10 to Dec 15
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Manassas, GA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 15 – Dec 29 | Feb 9 – Feb 23 | — | — |
| Peppers | Dec 29 – Jan 12 | Mar 23 – Apr 6 | — | — |
| Eggplant | Dec 29 – Jan 12 | Mar 23 – Apr 6 | — | — |
| Tomatoes | Jan 12 – Jan 26 | Mar 16 – Mar 30 | — | — |
| Lettuce | Jan 12 – Jan 26 | Feb 16 – Mar 2 | Feb 9 – Mar 16 | Sep 29 – Oct 27 |
| Kale | Jan 12 – Jan 26 | Feb 9 – Feb 23 | Feb 9 – Feb 23 | Sep 15 – Oct 6 |
| Broccoli | Jan 12 – Jan 26 | Feb 23 – Mar 9 | — | Aug 18 – Sep 8 |
| Cabbage | Jan 12 – Jan 26 | Feb 16 – Mar 2 | — | Aug 18 – Sep 8 |
| Cauliflower | Jan 12 – Jan 26 | Feb 23 – Mar 9 | — | Aug 18 – Sep 8 |
| Okra | Jan 26 – Feb 9 | Mar 30 – Apr 13 | Mar 30 – Apr 13 | — |
| Basil | Jan 26 – Feb 9 | Mar 16 – Mar 30 | — | — |
| Peas | — | — | Jan 26 – Feb 16 | Sep 1 – Sep 22 |
| Spinach | — | — | Jan 26 – Feb 16 | Sep 29 – Oct 20 |
| Radishes | — | — | Feb 2 – Mar 16 | Oct 13 – Nov 3 |
| Cucumbers | Feb 9 – Feb 16 | Mar 23 – Mar 30 | Mar 16 – Mar 30 | Sep 8 – Sep 22 |
| Zucchini & Summer Squash | Feb 9 – Feb 16 | — | Mar 16 – Mar 30 | Sep 15 – Sep 29 |
| Winter Squash & Pumpkins | Feb 9 – Feb 16 | — | Mar 16 – Mar 30 | — |
| Melons & Watermelon | Feb 9 – Feb 16 | Mar 23 – Apr 6 | — | — |
| Carrots | — | — | Feb 16 – Mar 16 | Sep 1 – Sep 15 |
| Beets | — | — | Feb 16 – Mar 16 | Sep 15 – Sep 29 |
| Potatoes | — | — | Feb 16 – Mar 9 | — |
| Swiss Chard | — | — | Feb 23 – Mar 23 | Sep 15 – Sep 29 |
| Cilantro | — | — | Feb 23 – Mar 16 | Sep 29 – Oct 20 |
| Green Beans | — | — | Mar 16 – Apr 6 | Sep 8 – Sep 22 |
| Sweet Corn | — | — | Mar 16 – Mar 30 | — |
| Sweet Potatoes | — | Mar 23 – Apr 13 | — | — |
| Garlic | — | — | — | Nov 10 – Dec 15 |
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 Glennville 3nw, GA weather station, 20 km away (elevation 200 ft (61 m)).
Frost dates near Manassas
- Bellville Mar 9 · Nov 24
- Hagan Mar 9 · Nov 24
- Collins Mar 2 · Nov 27
- Claxton Mar 9 · Nov 24
- Reidsville Mar 9 · Nov 24
- Cobbtown Mar 2 · Nov 27
- Daisy Mar 9 · Nov 24
- Register Mar 2 · Nov 27
- Glennville Mar 9 · Nov 24
- Pulaski Mar 2 · Nov 27
Frequently asked questions
When is the last frost in Manassas, GA?
The median last spring frost in Manassas, GA is March 9. There is still about a 10% chance of frost after March 30, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Manassas, GA?
The median first fall frost is November 24, with about a 10% chance of frost before November 5.
How long is the growing season in Manassas, GA?
About 260 days between the median last spring frost and first fall frost.
What planting zone is Manassas, GA?
Manassas, GA is in USDA hardiness zone 9a.