When to plant in Gaffney, SC
USDA Zone 8aEverything below — frost dates, hardiness zone, and what to plant when in Gaffney, South Carolina — is derived from the closest NOAA station with complete climate normals.
These dates come from a station roughly 16 km away, the closest with full normals; terrain around Gaffney (elevation, water, pavement) can move your real frost dates a few days either way. Zone 8a means many perennials and even some tender shrubs overwinter in Gaffney, while your frost dates still decide when annuals go out.
Frost probability
NINETY NINE IS · 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 Gaffney’s own odds, recorded at NINETY NINE IS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 15 | May 1 | Apr 15 | Oct 4 | Oct 15 | Oct 29 |
| 32°F | May 6 | Apr 20 | Apr 2 | Oct 11 | Oct 24 | Nov 5 |
| 28°F | Apr 24 | Apr 6 | Mar 20 | Oct 20 | Nov 1 | Nov 16 |
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 Gaffney, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 28 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.
Gaffney planting FAQ
When is the last spring frost in Gaffney, SC?
Plan for the last spring frost in Gaffney around April 20 (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 Gaffney, SC?
The first fall frost in Gaffney typically arrives around October 24 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Gaffney in?
Gaffney is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Gaffney?
There are roughly 187 frost-free days in Gaffney (a moderate growing season), running from the average last frost around April 20 to the first fall frost near October 24.
When should I plant tomatoes in Gaffney?
In Gaffney, start tomato seeds indoors around February 23–March 9, then transplant seedlings outdoors around April 27 once the danger of frost has passed.
Never miss a window in Gaffney
An email when it’s time to start seeds, transplant, and sow — timed to Gaffney’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Shelby · 26 km
- Spartanburg · 28 km
- Boiling Springs · 29 km
- Kings Mountain · 33 km
- Gastonia · 48 km
- Lake Wylie · 54 km
- Greer · 54 km
- Belmont · 59 km
Frost dates recorded at NINETY NINE IS, 16 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 Gaffney, SC — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00386293. Retrieved from https://blissgarden.com/south-carolina/gaffney.