When to plant in Tega Cay, SC
USDA Zone 8aEverything below — frost dates, hardiness zone, and what to plant when in Tega Cay, South Carolina — is derived from the closest NOAA station with complete climate normals.
Zone 8a means many perennials and even some tender shrubs overwinter in Tega Cay, while your frost dates still decide when annuals go out.
Frost probability
ROCK HILL YORK CO 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 Tega Cay’s own odds, recorded at ROCK HILL YORK CO AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 28 | Apr 13 | Mar 29 | Oct 14 | Oct 26 | Nov 7 |
| 32°F | Apr 15 | Mar 31 | Mar 13 | Oct 23 | Nov 4 | Nov 19 |
| 28°F | Apr 4 | Mar 18 | Feb 27 | Nov 1 | Nov 16 | Dec 4 |
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 Tega Cay, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 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.
Tega Cay planting FAQ
When is the last spring frost in Tega Cay, SC?
Tega Cay's average last spring frost falls near March 31 — 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 Tega Cay, SC?
In Tega Cay, the first 32°F freeze of fall lands around November 4 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Tega Cay in?
Tega Cay is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Tega Cay?
There are roughly 218 frost-free days in Tega Cay (a long growing season), running from the average last frost around March 31 to the first fall frost near November 4.
When should I plant tomatoes in Tega Cay?
In Tega Cay, start tomato seeds indoors around February 3–February 17, then transplant seedlings outdoors around April 7 once the danger of frost has passed.
Never miss a window in Tega Cay
An email when it’s time to start seeds, transplant, and sow — timed to Tega Cay’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Fort Mill · 7 km
- Lake Wylie · 9 km
- Rock Hill · 11 km
- Pineville · 12 km
- Belmont · 20 km
- Charlotte · 25 km
- Weddington · 25 km
- Waxhaw · 27 km
Frost dates recorded at ROCK HILL YORK CO AP, 7 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 Tega Cay, SC — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00053871. Retrieved from https://blissgarden.com/south-carolina/tega-cay.