When to plant in Mableton, GA
USDA Zone 8aEverything below — frost dates, hardiness zone, and what to plant when in Mableton, Georgia — is derived from the closest NOAA station with complete climate normals.
In zone 8a, Mableton supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
MABLETON 1 N · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Mableton’s own odds, recorded at MABLETON 1 N.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 24 | Apr 8 | Mar 23 | Oct 19 | Oct 30 | Nov 10 |
| 32°F | Apr 12 | Mar 27 | Mar 9 | Oct 27 | Nov 7 | Nov 26 |
| 28°F | Mar 31 | Mar 14 | Feb 21 | Nov 4 | Nov 19 | Dec 9 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Mableton, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 24 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Mableton planting FAQ
When is the last spring frost in Mableton, GA?
Plan for the last spring frost in Mableton around March 27 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Mableton, GA?
In Mableton, the first 32°F freeze of fall lands around November 7 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Mableton in?
Mableton is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Mableton?
Mableton has about 225 frost-free days — a long growing season — between the average last spring frost (March 27) and first fall frost (November 7).
When should I plant tomatoes in Mableton?
For Mableton, sow tomatoes indoors about January 30–February 13 and move the seedlings out around April 3, after the last spring frost.
Never miss a window in Mableton
An email when it’s time to start seeds, transplant, and sow — timed to Mableton’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Lithia Springs · 7 km
- Smyrna · 8 km
- Powder Springs · 11 km
- Vinings · 11 km
- Douglasville · 14 km
- Atlanta · 15 km
- Marietta · 16 km
- East Point · 18 km
Frost dates recorded at MABLETON 1 N, 4 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Mableton, GA — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00095404. Retrieved from https://blissgarden.com/georgia/mableton.