Frost dates for 29646Greenwood, SC
The average last spring frost in Greenwood is March 26 and the average first fall frost is November 12, giving a typical growing season of about 233 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 26
- Average first fall frost
- Nov 12
- Growing season
- 233 days
Safer after Apr 10 (1-in-10 risk)
Possible by Oct 28 (1-in-10 risk)
First frost typically in 9 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 6 · Apr 20 | Oct 18 · Nov 1 · Nov 16 | 210 days | 100% |
| Frost / freeze (32°F) | Mar 3 · Mar 26 · Apr 10 | Oct 28 · Nov 12 · Dec 1 | 233 days | 100% |
| Hard freeze (28°F) | Feb 14 · Mar 12 · Mar 31 | Nov 6 · Nov 25 · Dec 20 | 260 days | 100% |
Planting calendar for Greenwood
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 23 – May 1 |
| Tomatoes | Transplant outdoors | Apr 11 – Jul 23 |
| Peppers | Start seeds indoors | Feb 23 – Mar 26 |
| Peppers | Transplant outdoors | Apr 25 – May 26 |
| Eggplant | Start seeds indoors | Mar 12 – Apr 10 |
| Eggplant | Transplant outdoors | Apr 25 – May 26 |
| Cucumbers | Sow outdoors | Apr 25 – Aug 2 |
| Summer squash | Sow outdoors | Apr 11 – May 26 |
| Winter squash & pumpkins | Sow outdoors | Apr 25 – May 26 |
| Snap beans | Sow outdoors | Apr 11 – Aug 25 |
| Sweet corn | Sow outdoors | Apr 11 – Jul 23 |
| Watermelon & cantaloupe | Sow outdoors | Apr 25 – May 26 |
| Okra | Sow outdoors | Apr 18 – May 11 |
| Peas | Sow outdoors (spring) | Feb 23 – Apr 10 |
| Potatoes | Plant outdoors (spring) | Feb 23 – Apr 25 |
| Onions | Start seeds indoors (spring) | Jan 12 – Feb 8 |
| Onions | Transplant outdoors (spring) | Mar 12 – Apr 10 |
| Broccoli | Start seeds indoors (spring) | Feb 5 – Mar 11 |
| Broccoli | Transplant outdoors (spring) | Mar 12 – Apr 10 |
| Broccoli | Start seeds indoors (fall) | Jul 13 – Jul 23 |
| Broccoli | Transplant outdoors (fall) | Aug 12 – Aug 23 |
| Cabbage | Start seeds indoors (spring) | Jan 26 – Feb 23 |
| Cabbage | Transplant outdoors (spring) | Feb 23 – Mar 26 |
| Cabbage | Start seeds indoors (fall) | Jul 3 – Aug 2 |
| Cabbage | Transplant outdoors (fall) | Aug 2 – Sep 2 |
| Leaf lettuce | Sow outdoors (spring) | Feb 23 – May 11 |
| Leaf lettuce | Sow outdoors (fall) | Aug 2 – Sep 18 |
| Spinach | Sow outdoors (spring) | Feb 16 – Apr 1 |
| Spinach | Sow outdoors (fall) | Aug 19 – Sep 23 |
| Radishes | Sow outdoors (spring) | Feb 23 – Apr 15 |
| Radishes | Sow outdoors (fall) | Aug 2 – Oct 3 |
| Kale | Sow outdoors (spring) | Mar 12 – Apr 1 |
| Kale | Sow outdoors (fall) | Jul 26 – Sep 2 |
| Carrots | Sow outdoors (spring) | Mar 26 – May 11 |
| Carrots | Sow outdoors (fall) | Jul 3 – Aug 18 |
| Garlic | Plant outdoors (fall) | Nov 2 – Dec 3 |
Where these dates come from
ZIP code 29646 is matched to the NOAA station Greenwood, SC, 3 km away, at 615 ft elevation (31 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Greenwood, SC (used) | 615 ft | Mar 26 | Nov 12 |
| Greenwood Co Ap, SC | 631 ft | Apr 1 | Nov 2 |
| Greenwood 8Ne, SC | 530 ft | Mar 22 | Nov 13 |
| Lake Greenwood, SC | 422 ft | Apr 1 | Nov 4 |
Frost dates near Greenwood
- Greenwood, SC 29647 · last Mar 26, first Nov 12
- Ninety Six, SC 29666 · last Mar 26, first Nov 12
- Hodges, SC 29653 · last Apr 1, first Nov 2
- Bradley, SC 29819 · last Mar 26, first Nov 12
- Cross Hill, SC 29332 · last Mar 22, first Nov 13
- Waterloo, SC 29384 · last Apr 1, first Nov 2
- Abbeville, SC 29620 · last Mar 26, first Nov 12
- Donalds, SC 29638 · last Apr 1, first Nov 2
Frequently asked questions
- When is the last frost in Greenwood, SC?
- For ZIP code 29646, the average last spring frost (32°F) is March 26, based on NOAA 1991-2020 climate normals for the Greenwood, SC weather station. There is a 1-in-10 chance of a frost after April 10.
- When is the first frost in Greenwood, SC?
- The average first fall frost (32°F) is November 12. There is a 1-in-10 chance of frost by October 28, so tender plants are at risk from that point on.
- How long is the growing season in 29646?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 233 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.