Frost dates for Chatsworth 2, GA
At Chatsworth 2, the median last spring frost (32°F) is Apr 2 and the median first fall frost is Nov 1, for a typical growing season of 212 days. For a 90% chance that the last frost has passed, wait until Apr 21. Nearby ZIP codes are in USDA hardiness zones 7b to 8a.
- Apr 2Last spring frost (median)50% chance of 32°F after this date
- Apr 21Safer planting date10% chance of 32°F after this date
- Nov 1First fall frost (median)50% chance of 32°F by this date
- 212 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Mar 29 | Apr 15 | May 2 |
| 32°F | Mar 14 | Apr 2 | Apr 21 |
| 28°F | Feb 26 | Mar 19 | Apr 6 |
| 24°F | Feb 5 | Mar 3 | Mar 24 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Oct 11 | Oct 24 | Nov 5 |
| 32°F | Oct 21 | Nov 1 | Nov 17 |
| 28°F | Oct 30 | Nov 13 | Dec 4 |
| 24°F | Nov 8 | Nov 28 | Dec 23 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 168 days | 189 days | 211 days |
| 32°F | 190 days | 212 days | 239 days |
| 28°F | 214 days | 240 days | 267 days |
| 24°F | 239 days | 270 days | 303 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 30705 | 8a | 10 to 15°F | 2 km |
| 30724 | 8a | 10 to 15°F | 7 km |
| 30711 | 8a | 10 to 15°F | 19 km |
| 30540 | 7b | 5 to 10°F | 20 km |
| 30708 | 7b | 5 to 10°F | 22 km |
| 30751 | 8a | 10 to 15°F | 25 km |
| 30541 | 7b | 5 to 10°F | 29 km |
| 30555 | 7b | 5 to 10°F | 39 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00091863, at 34.7583, -84.7642, elevation 216 m (710 ft).
- Data quality: Representative (10+ years), 18 years of freeze data.
- Average days per year at or below 32°F: 74.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Dalton (11 km)
- Jasper 1 NNW (43 km)
- Chickamauga Pk Larc (50 km)
- Chickamauga 2 SW (51 km)
- Rome R B Russell Airport (58 km)
- Cartersville (62 km)
- Allatoona Dam 2 (66 km)
- Summerville (66 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.