Frost dates for 29175Westville, SC
The average last spring frost in Westville is March 23 and the average first fall frost is November 14, giving a typical growing season of about 237 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 23
- Average first fall frost
- Nov 14
- Growing season
- 237 days
Safer after Apr 7 (1-in-10 risk)
Possible by Nov 1 (1-in-10 risk)
First frost typically in 11 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Mar 19 · Apr 3 · Apr 17 | Oct 22 · Nov 3 · Nov 17 | 214 days | 100% |
| Frost / freeze (32°F) | Mar 5 · Mar 23 · Apr 7 | Nov 1 · Nov 14 · Dec 3 | 237 days | 100% |
| Hard freeze (28°F) | Feb 18 · Mar 11 · Mar 27 | Nov 10 · Dec 1 · Dec 27 | 263 days | 100% |
Planting calendar for Westville
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Feb 20 – Apr 28 |
| Tomatoes | Transplant outdoors | Apr 8 – Jul 25 |
| Peppers | Start seeds indoors | Feb 20 – Mar 23 |
| Peppers | Transplant outdoors | Apr 22 – May 23 |
| Eggplant | Start seeds indoors | Mar 9 – Apr 7 |
| Eggplant | Transplant outdoors | Apr 22 – May 23 |
| Cucumbers | Sow outdoors | Apr 22 – Aug 4 |
| Summer squash | Sow outdoors | Apr 8 – May 23 |
| Winter squash & pumpkins | Sow outdoors | Apr 22 – May 23 |
| Snap beans | Sow outdoors | Apr 8 – Aug 27 |
| Sweet corn | Sow outdoors | Apr 8 – Jul 25 |
| Watermelon & cantaloupe | Sow outdoors | Apr 22 – May 23 |
| Okra | Sow outdoors | Apr 15 – May 8 |
| Peas | Sow outdoors (spring) | Feb 20 – Apr 7 |
| Potatoes | Plant outdoors (spring) | Feb 20 – Apr 22 |
| Onions | Start seeds indoors (spring) | Jan 9 – Feb 5 |
| Onions | Transplant outdoors (spring) | Mar 9 – Apr 7 |
| Broccoli | Start seeds indoors (spring) | Feb 2 – Mar 8 |
| Broccoli | Transplant outdoors (spring) | Mar 9 – Apr 7 |
| Broccoli | Start seeds indoors (fall) | Jul 15 – Jul 25 |
| Broccoli | Transplant outdoors (fall) | Aug 14 – Aug 25 |
| Cabbage | Start seeds indoors (spring) | Jan 23 – Feb 20 |
| Cabbage | Transplant outdoors (spring) | Feb 20 – Mar 23 |
| Cabbage | Start seeds indoors (fall) | Jul 5 – Aug 4 |
| Cabbage | Transplant outdoors (fall) | Aug 4 – Sep 4 |
| Leaf lettuce | Sow outdoors (spring) | Feb 20 – May 8 |
| Leaf lettuce | Sow outdoors (fall) | Aug 4 – Sep 20 |
| Spinach | Sow outdoors (spring) | Feb 13 – Mar 29 |
| Spinach | Sow outdoors (fall) | Aug 21 – Sep 25 |
| Radishes | Sow outdoors (spring) | Feb 20 – Apr 12 |
| Radishes | Sow outdoors (fall) | Aug 4 – Oct 5 |
| Kale | Sow outdoors (spring) | Mar 9 – Mar 29 |
| Kale | Sow outdoors (fall) | Jul 28 – Sep 4 |
| Carrots | Sow outdoors (spring) | Mar 23 – May 8 |
| Carrots | Sow outdoors (fall) | Jul 5 – Aug 20 |
| Garlic | Plant outdoors (fall) | Nov 4 – Dec 5 |
Where these dates come from
ZIP code 29175 is matched to the NOAA station Wateree Dam, SC, 15 km away, at 230 ft elevation (216 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Wateree Dam, SC (used) | 230 ft | Mar 23 | Nov 14 |
| Lugoff 2Ne, SC | 190 ft | Mar 27 | Nov 7 |
| Camden 3 W, SC | 140 ft | Apr 4 | Nov 4 |
| Pageland, SC | 520 ft | Mar 27 | Nov 8 |
Frost dates near Westville
- Kershaw, SC 29067 · last Mar 23, first Nov 14
- Cassatt, SC 29032 · last Mar 29, first Nov 4
- Camden, SC 29021 · last Mar 27, first Nov 7
- Liberty Hill, SC 29074 · last Mar 23, first Nov 14
- Heath Springs, SC 29058 · last Mar 31, first Nov 5
- Bethune, SC 29009 · last Mar 29, first Nov 4
- Lugoff, SC 29078 · last Mar 22, first Nov 15
- Great Falls, SC 29055 · last Mar 31, first Nov 6
Frequently asked questions
- When is the last frost in Westville, SC?
- For ZIP code 29175, the average last spring frost (32°F) is March 23, based on NOAA 1991-2020 climate normals for the Wateree Dam, SC weather station. There is a 1-in-10 chance of a frost after April 7.
- When is the first frost in Westville, SC?
- The average first fall frost (32°F) is November 14. There is a 1-in-10 chance of frost by November 1, so tender plants are at risk from that point on.
- How long is the growing season in 29175?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 237 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.