Frost dates for 30187Winston, GA
The average last spring frost in Winston is March 28 and the average first fall frost is November 5, giving a typical growing season of about 222 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 28
- Average first fall frost
- Nov 5
- Growing season
- 222 days
Safer after Apr 12 (1-in-10 risk)
Possible by Oct 23 (1-in-10 risk)
First frost typically in 2 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Mar 24 · Apr 8 · Apr 26 | Oct 14 · Oct 26 · Nov 8 | 200 days | 100% |
| Frost / freeze (32°F) | Mar 7 · Mar 28 · Apr 12 | Oct 23 · Nov 5 · Nov 22 | 222 days | 100% |
| Hard freeze (28°F) | Feb 20 · Mar 15 · Mar 31 | Nov 1 · Nov 16 · Dec 7 | 249 days | 100% |
Planting calendar for Winston
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Feb 25 – May 3 |
| Tomatoes | Transplant outdoors | Apr 13 – Jul 16 |
| Peppers | Start seeds indoors | Feb 25 – Mar 28 |
| Peppers | Transplant outdoors | Apr 27 – May 28 |
| Eggplant | Start seeds indoors | Mar 14 – Apr 12 |
| Eggplant | Transplant outdoors | Apr 27 – May 28 |
| Cucumbers | Sow outdoors | Apr 27 – Jul 26 |
| Summer squash | Sow outdoors | Apr 13 – May 28 |
| Winter squash & pumpkins | Sow outdoors | Apr 27 – May 28 |
| Snap beans | Sow outdoors | Apr 13 – Aug 18 |
| Sweet corn | Sow outdoors | Apr 13 – Jul 16 |
| Watermelon & cantaloupe | Sow outdoors | Apr 27 – May 28 |
| Okra | Sow outdoors | Apr 20 – May 13 |
| Peas | Sow outdoors (spring) | Feb 25 – Apr 12 |
| Potatoes | Plant outdoors (spring) | Feb 25 – Apr 27 |
| Onions | Start seeds indoors (spring) | Jan 14 – Feb 10 |
| Onions | Transplant outdoors (spring) | Mar 14 – Apr 12 |
| Broccoli | Start seeds indoors (spring) | Feb 7 – Mar 13 |
| Broccoli | Transplant outdoors (spring) | Mar 14 – Apr 12 |
| Broccoli | Start seeds indoors (fall) | Jul 6 – Jul 16 |
| Broccoli | Transplant outdoors (fall) | Aug 5 – Aug 16 |
| Cabbage | Start seeds indoors (spring) | Jan 28 – Feb 25 |
| Cabbage | Transplant outdoors (spring) | Feb 25 – Mar 28 |
| Cabbage | Start seeds indoors (fall) | Jun 26 – Jul 26 |
| Cabbage | Transplant outdoors (fall) | Jul 26 – Aug 26 |
| Leaf lettuce | Sow outdoors (spring) | Feb 25 – May 13 |
| Leaf lettuce | Sow outdoors (fall) | Jul 26 – Sep 11 |
| Spinach | Sow outdoors (spring) | Feb 18 – Apr 3 |
| Spinach | Sow outdoors (fall) | Aug 12 – Sep 16 |
| Radishes | Sow outdoors (spring) | Feb 25 – Apr 17 |
| Radishes | Sow outdoors (fall) | Jul 26 – Sep 26 |
| Kale | Sow outdoors (spring) | Mar 14 – Apr 3 |
| Kale | Sow outdoors (fall) | Jul 19 – Aug 26 |
| Carrots | Sow outdoors (spring) | Mar 28 – May 13 |
| Carrots | Sow outdoors (fall) | Jun 26 – Aug 11 |
| Garlic | Plant outdoors (fall) | Oct 26 – Nov 26 |
Where these dates come from
ZIP code 30187 is matched to the NOAA station Carrollton, GA, 21.4 km away, at 995 ft elevation (4 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Carrollton, GA (used) | 995 ft | Mar 28 | Nov 5 |
| Newnan 7 Wnw, GA | 795 ft | Apr 3 | Nov 2 |
| Mableton 1 N, GA | 980 ft | Mar 27 | Nov 7 |
| Atlanta Fulton Co Ap, GA | 840 ft | Mar 24 | Nov 8 |
Frost dates near Winston
- Villa Rica, GA 30180 · last Mar 28, first Nov 5
- Douglasville, GA 30133 · last Mar 15, first Nov 20
- Whitesburg, GA 30185 · last Apr 3, first Nov 2
- Temple, GA 30179 · last Mar 28, first Nov 5
- Carrollton, GA 30116 · last Mar 28, first Nov 5
- Lithia Springs, GA 30122 · last Mar 24, first Nov 8
- Palmetto, GA 30268 · last Mar 15, first Nov 20
- Hiram, GA 30141 · last Apr 2, first Nov 4
Frequently asked questions
- When is the last frost in Winston, GA?
- For ZIP code 30187, the average last spring frost (32°F) is March 28, based on NOAA 1991-2020 climate normals for the Carrollton, GA weather station. There is a 1-in-10 chance of a frost after April 12.
- When is the first frost in Winston, GA?
- The average first fall frost (32°F) is November 5. There is a 1-in-10 chance of frost by October 23, so tender plants are at risk from that point on.
- How long is the growing season in 30187?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 222 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.