When to plant in Spartanburg, SC
USDA Zone 8aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Spartanburg, South Carolina — all computed from Spartanburg's nearest NOAA weather station.
In zone 8a, Spartanburg supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Spartanburg is now 6 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
SPARTANBURG 3 SSE · 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 Spartanburg’s own odds, recorded at SPARTANBURG 3 SSE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 7 | Apr 21 | Apr 5 | Oct 10 | Oct 22 | Nov 3 |
| 32°F | Apr 23 | Apr 8 | Mar 20 | Oct 17 | Nov 1 | Nov 14 |
| 28°F | Apr 10 | Mar 24 | Mar 3 | Oct 29 | Nov 11 | Dec 1 |
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 Spartanburg, 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.
Spartanburg planting FAQ
When is the last spring frost in Spartanburg, SC?
Spartanburg's average last spring frost falls near April 8 — 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 Spartanburg, SC?
The first fall frost in Spartanburg typically arrives around November 1 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Spartanburg in?
Spartanburg is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Spartanburg?
Spartanburg has about 207 frost-free days — a moderate growing season — between the average last spring frost (April 8) and first fall frost (November 1).
When should I plant tomatoes in Spartanburg?
For Spartanburg, sow tomatoes indoors about February 11–February 25 and move the seedlings out around April 15, after the last spring frost.
Never miss a window in Spartanburg
An email when it’s time to start seeds, transplant, and sow — timed to Spartanburg’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Boiling Springs · 12 km
- Greer · 28 km
- Gaffney · 28 km
- Five Forks · 31 km
- Taylors · 36 km
- Fountain Inn · 37 km
- Wade Hampton · 38 km
- Simpsonville · 39 km
Frost dates recorded at SPARTANBURG 3 SSE, 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 Spartanburg, SC — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00388188. Retrieved from https://blissgarden.com/south-carolina/spartanburg.