Frost dates for 30542Flowery Branch, GA
The average last spring frost in Flowery Branch is March 20 and the average first fall frost is November 14, giving a typical growing season of about 239 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 20
- Average first fall frost
- Nov 14
- Growing season
- 239 days
Safer after Apr 6 (1-in-10 risk)
Possible by Oct 31 (1-in-10 risk)
First frost typically in 11 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 16 · Apr 3 · Apr 18 | Oct 20 · Nov 3 · Nov 18 | 215 days | 100% |
| Frost / freeze (32°F) | Mar 1 · Mar 20 · Apr 6 | Oct 31 · Nov 14 · Dec 4 | 239 days | 100% |
| Hard freeze (28°F) | Feb 12 · Mar 7 · Mar 26 | Nov 9 · Nov 30 · Dec 25 | 268 days | 100% |
Planting calendar for Flowery Branch
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 17 – Apr 25 |
| Tomatoes | Transplant outdoors | Apr 5 – Jul 25 |
| Peppers | Start seeds indoors | Feb 17 – Mar 20 |
| Peppers | Transplant outdoors | Apr 19 – May 20 |
| Eggplant | Start seeds indoors | Mar 6 – Apr 4 |
| Eggplant | Transplant outdoors | Apr 19 – May 20 |
| Cucumbers | Sow outdoors | Apr 19 – Aug 4 |
| Summer squash | Sow outdoors | Apr 5 – May 20 |
| Winter squash & pumpkins | Sow outdoors | Apr 19 – May 20 |
| Snap beans | Sow outdoors | Apr 5 – Aug 27 |
| Sweet corn | Sow outdoors | Apr 5 – Jul 25 |
| Watermelon & cantaloupe | Sow outdoors | Apr 19 – May 20 |
| Okra | Sow outdoors | Apr 12 – May 5 |
| Peas | Sow outdoors (spring) | Feb 17 – Apr 4 |
| Potatoes | Plant outdoors (spring) | Feb 17 – Apr 19 |
| Onions | Start seeds indoors (spring) | Jan 6 – Feb 2 |
| Onions | Transplant outdoors (spring) | Mar 6 – Apr 4 |
| Broccoli | Start seeds indoors (spring) | Jan 30 – Mar 5 |
| Broccoli | Transplant outdoors (spring) | Mar 6 – Apr 4 |
| Broccoli | Start seeds indoors (fall) | Jul 15 – Jul 25 |
| Broccoli | Transplant outdoors (fall) | Aug 14 – Aug 25 |
| Cabbage | Start seeds indoors (spring) | Jan 20 – Feb 17 |
| Cabbage | Transplant outdoors (spring) | Feb 17 – Mar 20 |
| Cabbage | Start seeds indoors (fall) | Jul 5 – Aug 4 |
| Cabbage | Transplant outdoors (fall) | Aug 4 – Sep 4 |
| Leaf lettuce | Sow outdoors (spring) | Feb 17 – May 5 |
| Leaf lettuce | Sow outdoors (fall) | Aug 4 – Sep 20 |
| Spinach | Sow outdoors (spring) | Feb 10 – Mar 26 |
| Spinach | Sow outdoors (fall) | Aug 21 – Sep 25 |
| Radishes | Sow outdoors (spring) | Feb 17 – Apr 9 |
| Radishes | Sow outdoors (fall) | Aug 4 – Oct 5 |
| Kale | Sow outdoors (spring) | Mar 6 – Mar 26 |
| Kale | Sow outdoors (fall) | Jul 28 – Sep 4 |
| Carrots | Sow outdoors (spring) | Mar 20 – May 5 |
| Carrots | Sow outdoors (fall) | Jul 5 – Aug 20 |
| Garlic | Plant outdoors (fall) | Nov 4 – Dec 5 |
Where these dates come from
ZIP code 30542 is matched to the NOAA station Gainesville Gilmer Ap, GA, 12 km away, at 1,275 ft elevation (1 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Gainesville Gilmer Ap, GA (used) | 1,275 ft | Mar 20 | Nov 14 |
| Gainesville, GA | 1,170 ft | Mar 27 | Nov 12 |
| Cumming 2N, GA | 1,140 ft | Apr 4 | Nov 4 |
| Winder 4S, GA | 889 ft | Apr 3 | Nov 7 |
Frost dates near Flowery Branch
- Oakwood, GA 30566 · last Mar 20, first Nov 14
- Gainesville, GA 30504 · last Mar 27, first Nov 12
- Chestnut Mountain, GA 30502 · last Mar 27, first Nov 12
- Buford, GA 30518 · last Mar 27, first Nov 12
- Braselton, GA 30517 · last Mar 27, first Nov 12
- Hoschton, GA 30548 · last Mar 27, first Nov 8
- Talmo, GA 30575 · last Mar 31, first Nov 6
- Cumming, GA 30041 · last Apr 4, first Nov 4
Frequently asked questions
- When is the last frost in Flowery Branch, GA?
- For ZIP code 30542, the average last spring frost (32°F) is March 20, based on NOAA 1991-2020 climate normals for the Gainesville Gilmer Ap, GA weather station. There is a 1-in-10 chance of a frost after April 6.
- When is the first frost in Flowery Branch, GA?
- The average first fall frost (32°F) is November 14. There is a 1-in-10 chance of frost by October 31, so tender plants are at risk from that point on.
- How long is the growing season in 30542?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 239 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.