When to plant in Thomasville, GA
USDA Zone 9aThomasville, Georgia frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Thomasville enjoys a long ~255-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. These dates come from a station roughly 23 km away, the closest with full normals; terrain around Thomasville (elevation, water, pavement) can move your real frost dates a few days either way. Zone 9a is warm enough that Thomasville can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
CAIRO 1SW · 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 Thomasville’s own odds, recorded at CAIRO 1SW.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 12 | Mar 27 | Mar 9 | Oct 26 | Nov 10 | Dec 1 |
| 32°F | Mar 31 | Mar 11 | Feb 20 | Nov 4 | Nov 21 | Dec 15 |
| 28°F | Mar 18 | Feb 25 | Jan 29 | Nov 16 | Dec 6 | Jan 10 |
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 Thomasville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 43 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.
Thomasville planting FAQ
When is the last spring frost in Thomasville, GA?
Thomasville's average last spring frost falls near March 11 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Thomasville, GA?
The first fall frost in Thomasville typically arrives around November 21 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Thomasville in?
Thomasville is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Thomasville?
There are roughly 255 frost-free days in Thomasville (a long growing season), running from the average last frost around March 11 to the first fall frost near November 21.
When should I plant tomatoes in Thomasville?
In Thomasville, start tomato seeds indoors around January 14–January 28, then transplant seedlings outdoors around March 18 once the danger of frost has passed.
Never miss a window in Thomasville
An email when it’s time to start seeds, transplant, and sow — timed to Thomasville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Cairo · 22 km
- Bradfordville · 37 km
- Moultrie · 42 km
- Tallahassee · 50 km
- Bainbridge · 57 km
- Valdosta · 67 km
- Tifton · 82 km
- Albany · 84 km
Frost dates recorded at CAIRO 1SW, 23 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 Thomasville, GA — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00091463. Retrieved from https://blissgarden.com/georgia/thomasville.