Frost dates for 30830Waynesboro, GA
The average last spring frost in Waynesboro is March 21 and the average first fall frost is November 9, giving a typical growing season of about 233 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 21
- Average first fall frost
- Nov 9
- Growing season
- 233 days
Safer after Apr 8 (1-in-10 risk)
Possible by Oct 28 (1-in-10 risk)
First frost typically in 6 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 18 · Apr 4 · Apr 20 | Oct 17 · Oct 31 · Nov 13 | 210 days | 100% |
| Frost / freeze (32°F) | Feb 28 · Mar 21 · Apr 8 | Oct 28 · Nov 9 · Nov 29 | 233 days | 100% |
| Hard freeze (28°F) | Feb 10 · Mar 7 · Mar 27 | Nov 5 · Nov 25 · Dec 20 | 263 days | 100% |
Planting calendar for Waynesboro
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 18 – Apr 26 |
| Tomatoes | Transplant outdoors | Apr 6 – Jul 20 |
| Peppers | Start seeds indoors | Feb 18 – Mar 21 |
| Peppers | Transplant outdoors | Apr 20 – May 21 |
| Eggplant | Start seeds indoors | Mar 7 – Apr 5 |
| Eggplant | Transplant outdoors | Apr 20 – May 21 |
| Cucumbers | Sow outdoors | Apr 20 – Jul 30 |
| Summer squash | Sow outdoors | Apr 6 – May 21 |
| Winter squash & pumpkins | Sow outdoors | Apr 20 – May 21 |
| Snap beans | Sow outdoors | Apr 6 – Aug 22 |
| Sweet corn | Sow outdoors | Apr 6 – Jul 20 |
| Watermelon & cantaloupe | Sow outdoors | Apr 20 – May 21 |
| Okra | Sow outdoors | Apr 13 – May 6 |
| Peas | Sow outdoors (spring) | Feb 18 – Apr 5 |
| Potatoes | Plant outdoors (spring) | Feb 18 – Apr 20 |
| Onions | Start seeds indoors (spring) | Jan 7 – Feb 3 |
| Onions | Transplant outdoors (spring) | Mar 7 – Apr 5 |
| Broccoli | Start seeds indoors (spring) | Jan 31 – Mar 6 |
| Broccoli | Transplant outdoors (spring) | Mar 7 – Apr 5 |
| Broccoli | Start seeds indoors (fall) | Jul 10 – Jul 20 |
| Broccoli | Transplant outdoors (fall) | Aug 9 – Aug 20 |
| Cabbage | Start seeds indoors (spring) | Jan 21 – Feb 18 |
| Cabbage | Transplant outdoors (spring) | Feb 18 – Mar 21 |
| Cabbage | Start seeds indoors (fall) | Jun 30 – Jul 30 |
| Cabbage | Transplant outdoors (fall) | Jul 30 – Aug 30 |
| Leaf lettuce | Sow outdoors (spring) | Feb 18 – May 6 |
| Leaf lettuce | Sow outdoors (fall) | Jul 30 – Sep 15 |
| Spinach | Sow outdoors (spring) | Feb 11 – Mar 27 |
| Spinach | Sow outdoors (fall) | Aug 16 – Sep 20 |
| Radishes | Sow outdoors (spring) | Feb 18 – Apr 10 |
| Radishes | Sow outdoors (fall) | Jul 30 – Sep 30 |
| Kale | Sow outdoors (spring) | Mar 7 – Mar 27 |
| Kale | Sow outdoors (fall) | Jul 23 – Aug 30 |
| Carrots | Sow outdoors (spring) | Mar 21 – May 6 |
| Carrots | Sow outdoors (fall) | Jun 30 – Aug 15 |
| Garlic | Plant outdoors (fall) | Oct 30 – Nov 30 |
Where these dates come from
ZIP code 30830 is matched to the NOAA station Waynesboro 2 S, GA, 3.7 km away, at 277 ft elevation (11 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Waynesboro 2 S, GA (used) | 277 ft | Mar 21 | Nov 9 |
| Augusta Bush Fld Ap, GA | 132 ft | Mar 23 | Nov 9 |
| Midville Exp Stn, GA | 280 ft | Mar 18 | Nov 11 |
| Louisville 1 E, GA | 322 ft | Mar 25 | Nov 7 |
Frost dates near Waynesboro
- Keysville, GA 30816 · last Mar 21, first Nov 9
- Gough, GA 30811 · last Mar 25, first Nov 7
- Sardis, GA 30456 · last Mar 21, first Nov 9
- Perkins, GA 30822 · last Mar 21, first Nov 9
- Girard, GA 30426 · last Mar 21, first Nov 9
- Hephzibah, GA 30815 · last Mar 23, first Nov 9
- Augusta, GA 30906 · last Mar 23, first Nov 9
- Blythe, GA 30805 · last Feb 27, first Dec 4
Frequently asked questions
- When is the last frost in Waynesboro, GA?
- For ZIP code 30830, the average last spring frost (32°F) is March 21, based on NOAA 1991-2020 climate normals for the Waynesboro 2 S, GA weather station. There is a 1-in-10 chance of a frost after April 8.
- When is the first frost in Waynesboro, GA?
- The average first fall frost (32°F) is November 9. There is a 1-in-10 chance of frost by October 28, so tender plants are at risk from that point on.
- How long is the growing season in 30830?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 233 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.