When to plant in St. Andrews, SC
USDA Zone 8bEverything below — frost dates, hardiness zone, and what to plant when in St. Andrews, South Carolina — is derived from the closest NOAA station with complete climate normals.
With about 245 frost-free days, St. Andrews supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. In zone 8b, St. Andrews supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
COLUMBIA UNIV OF SC · 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 St. Andrews’s own odds, recorded at COLUMBIA UNIV OF SC.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 13 | Mar 28 | Mar 11 | Oct 24 | Nov 5 | Nov 20 |
| 32°F | Apr 3 | Mar 16 | Feb 24 | Nov 2 | Nov 16 | Dec 6 |
| 28°F | Mar 23 | Mar 1 | Jan 31 | Nov 12 | Dec 2 | Dec 30 |
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 St. Andrews, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 14 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.
St. Andrews planting FAQ
When is the last spring frost in St. Andrews, SC?
Plan for the last spring frost in St. Andrews around March 16 (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 St. Andrews, SC?
Expect St. Andrews's first fall frost near November 16 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is St. Andrews in?
St. Andrews is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in St. Andrews?
St. Andrews has about 245 frost-free days — a long growing season — between the average last spring frost (March 16) and first fall frost (November 16).
When should I plant tomatoes in St. Andrews?
For St. Andrews, sow tomatoes indoors about January 19–February 2 and move the seedlings out around March 23, after the last spring frost.
Never miss a window in St. Andrews
An email when it’s time to start seeds, transplant, and sow — timed to St. Andrews’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Seven Oaks · 3 km
- West Columbia · 7 km
- Oak Grove · 9 km
- Irmo · 10 km
- Forest Acres · 12 km
- Lexington · 13 km
- Cayce · 13 km
- Dentsville · 14 km
Frost dates recorded at COLUMBIA UNIV OF SC, 10 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 St. Andrews, SC — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00381944. Retrieved from https://blissgarden.com/south-carolina/st-andrews.