When to plant in Forest Park, GA
USDA Zone 8bEverything below — frost dates, hardiness zone, and what to plant when in Forest Park, Georgia — is derived from the closest NOAA station with complete climate normals.
With about 250 frost-free days, Forest Park supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. Zone 8b means many perennials and even some tender shrubs overwinter in Forest Park, while your frost dates still decide when annuals go out.
The average last spring frost in Forest Park is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
ATLANTA HARTSFIELD INTL AP · 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 Forest Park’s own odds, recorded at ATLANTA HARTSFIELD INTL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 16 | Mar 29 | Mar 10 | Oct 28 | Nov 7 | Nov 25 |
| 32°F | Apr 4 | Mar 15 | Feb 23 | Nov 4 | Nov 20 | Dec 10 |
| 28°F | Mar 20 | Feb 28 | Feb 1 | Nov 14 | Dec 5 | Jan 3 |
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 Forest Park, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 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.
Forest Park planting FAQ
When is the last spring frost in Forest Park, GA?
On average, the last spring frost in Forest Park is around March 15 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Forest Park, GA?
In Forest Park, the first 32°F freeze of fall lands around November 20 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Forest Park in?
Forest Park is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Forest Park?
There are roughly 250 frost-free days in Forest Park (a long growing season), running from the average last frost around March 15 to the first fall frost near November 20.
When should I plant tomatoes in Forest Park?
In Forest Park, start tomato seeds indoors around January 18–February 1, then transplant seedlings outdoors around March 22 once the danger of frost has passed.
Never miss a window in Forest Park
An email when it’s time to start seeds, transplant, and sow — timed to Forest Park’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Riverdale · 8 km
- College Park · 10 km
- East Point · 12 km
- Candler-McAfee · 14 km
- Stockbridge · 15 km
- Atlanta · 17 km
- Belvedere Park · 17 km
- Decatur · 18 km
Frost dates recorded at ATLANTA HARTSFIELD INTL AP, 8 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 Forest Park, GA — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013874. Retrieved from https://blissgarden.com/georgia/forest-park.