Frost dates for 29675Richland, SC
The average last spring frost in Richland is April 11 and the average first fall frost is October 30, giving a typical growing season of about 203 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 11
- Average first fall frost
- Oct 30
- Growing season
- 203 days
Safer after Apr 25 (1-in-10 risk)
Possible by Oct 17 (1-in-10 risk)
Last frost typically in 159 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) | Apr 7 · Apr 22 · May 6 | Oct 10 · Oct 22 · Nov 2 | 181 days | 100% |
| Frost / freeze (32°F) | Mar 23 · Apr 11 · Apr 25 | Oct 17 · Oct 30 · Nov 11 | 203 days | 100% |
| Hard freeze (28°F) | Mar 8 · Mar 30 · Apr 16 | Oct 27 · Nov 9 · Nov 28 | 227 days | 100% |
Planting calendar for Richland
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 | Mar 11 – May 17 |
| Tomatoes | Transplant outdoors | Apr 27 – Jul 10 |
| Peppers | Start seeds indoors | Mar 11 – Apr 11 |
| Peppers | Transplant outdoors | May 11 – Jun 11 |
| Eggplant | Start seeds indoors | Mar 28 – Apr 26 |
| Eggplant | Transplant outdoors | May 11 – Jun 11 |
| Cucumbers | Sow outdoors | May 11 – Jul 20 |
| Summer squash | Sow outdoors | Apr 27 – Jun 11 |
| Winter squash & pumpkins | Sow outdoors | May 11 – Jun 11 |
| Snap beans | Sow outdoors | Apr 27 – Aug 12 |
| Sweet corn | Sow outdoors | Apr 27 – Jul 10 |
| Watermelon & cantaloupe | Sow outdoors | May 11 – Jun 11 |
| Okra | Sow outdoors | May 4 – May 27 |
| Peas | Sow outdoors (spring) | Mar 11 – Apr 26 |
| Potatoes | Plant outdoors (spring) | Mar 11 – May 11 |
| Onions | Start seeds indoors (spring) | Jan 28 – Feb 24 |
| Onions | Transplant outdoors (spring) | Mar 28 – Apr 26 |
| Broccoli | Start seeds indoors (spring) | Feb 21 – Mar 27 |
| Broccoli | Transplant outdoors (spring) | Mar 28 – Apr 26 |
| Broccoli | Start seeds indoors (fall) | Jun 30 – Jul 10 |
| Broccoli | Transplant outdoors (fall) | Jul 30 – Aug 10 |
| Cabbage | Start seeds indoors (spring) | Feb 11 – Mar 11 |
| Cabbage | Transplant outdoors (spring) | Mar 11 – Apr 11 |
| Cabbage | Start seeds indoors (fall) | Jun 20 – Jul 20 |
| Cabbage | Transplant outdoors (fall) | Jul 20 – Aug 20 |
| Leaf lettuce | Sow outdoors (spring) | Mar 11 – May 27 |
| Leaf lettuce | Sow outdoors (fall) | Jul 20 – Sep 5 |
| Spinach | Sow outdoors (spring) | Mar 4 – Apr 17 |
| Spinach | Sow outdoors (fall) | Aug 6 – Sep 10 |
| Radishes | Sow outdoors (spring) | Mar 11 – May 1 |
| Radishes | Sow outdoors (fall) | Jul 20 – Sep 20 |
| Kale | Sow outdoors (spring) | Mar 28 – Apr 17 |
| Kale | Sow outdoors (fall) | Jul 13 – Aug 20 |
| Carrots | Sow outdoors (spring) | Apr 11 – May 27 |
| Carrots | Sow outdoors (fall) | Jun 20 – Aug 5 |
| Garlic | Plant outdoors (fall) | Oct 20 – Nov 20 |
Where these dates come from
ZIP code 29675 is matched to the NOAA station Walhalla, SC, 1.6 km away, at 980 ft elevation (6 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Walhalla, SC (used) | 980 ft | Apr 11 | Oct 30 |
| Long Creek, SC | 1,625 ft | Apr 9 | Oct 29 |
| Clemson Oconee Co Ap, SC | 891 ft | Mar 21 | Nov 11 |
| Jocassee 8 Wnw, SC | 2,540 ft | Apr 26 | Oct 17 |
Frost dates near Richland
- Walhalla, SC 29691 · last Apr 11, first Oct 30
- West Union, SC 29696 · last Apr 11, first Oct 30
- Westminster, SC 29693 · last Apr 11, first Oct 30
- Mountain Rest, SC 29664 · last Apr 9, first Oct 29
- Seneca, SC 29672 · last Mar 21, first Nov 11
- Tamassee, SC 29686 · last Apr 11, first Oct 30
- Salem, SC 29676 · last Apr 11, first Oct 30
- Newry, SC 29665 · last Mar 21, first Nov 11
Frequently asked questions
- When is the last frost in Richland, SC?
- For ZIP code 29675, the average last spring frost (32°F) is April 11, based on NOAA 1991-2020 climate normals for the Walhalla, SC weather station. There is a 1-in-10 chance of a frost after April 25.
- When is the first frost in Richland, SC?
- The average first fall frost (32°F) is October 30. There is a 1-in-10 chance of frost by October 17, so tender plants are at risk from that point on.
- How long is the growing season in 29675?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 203 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.