Frost dates for 29582North Myrtle Beach, SC
The average last spring frost in North Myrtle Beach is March 13 and the average first fall frost is November 20, giving a typical growing season of about 255 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 13
- Average first fall frost
- Nov 20
- Growing season
- 255 days
Safer after Mar 31 (1-in-10 risk)
Possible by Nov 4 (1-in-10 risk)
First frost typically in 17 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 6 · Mar 26 · Apr 10 | Oct 28 · Nov 10 · Nov 28 | 230 days | 100% |
| Frost / freeze (32°F) | Feb 20 · Mar 13 · Mar 31 | Nov 4 · Nov 20 · Dec 16 | 255 days | 100% |
| Hard freeze (28°F) | Jan 29 · Feb 26 · Mar 18 | Nov 15 · Dec 6 · Jan 6 | 287 days | 100% |
Planting calendar for North Myrtle Beach
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 10 – Apr 18 |
| Tomatoes | Transplant outdoors | Mar 29 – Jul 31 |
| Peppers | Start seeds indoors | Feb 10 – Mar 13 |
| Peppers | Transplant outdoors | Apr 12 – May 13 |
| Eggplant | Start seeds indoors | Feb 27 – Mar 28 |
| Eggplant | Transplant outdoors | Apr 12 – May 13 |
| Cucumbers | Sow outdoors | Apr 12 – Aug 10 |
| Summer squash | Sow outdoors | Mar 29 – May 13 |
| Winter squash & pumpkins | Sow outdoors | Apr 12 – May 13 |
| Snap beans | Sow outdoors | Mar 29 – Sep 2 |
| Sweet corn | Sow outdoors | Mar 29 – Jul 31 |
| Watermelon & cantaloupe | Sow outdoors | Apr 12 – May 13 |
| Okra | Sow outdoors | Apr 5 – Apr 28 |
| Peas | Sow outdoors (spring) | Feb 10 – Mar 28 |
| Potatoes | Plant outdoors (spring) | Feb 10 – Apr 12 |
| Onions | Start seeds indoors (spring) | Dec 30 – Jan 26 |
| Onions | Transplant outdoors (spring) | Feb 27 – Mar 28 |
| Broccoli | Start seeds indoors (spring) | Jan 23 – Feb 26 |
| Broccoli | Transplant outdoors (spring) | Feb 27 – Mar 28 |
| Broccoli | Start seeds indoors (fall) | Jul 21 – Jul 31 |
| Broccoli | Transplant outdoors (fall) | Aug 20 – Aug 31 |
| Cabbage | Start seeds indoors (spring) | Jan 13 – Feb 10 |
| Cabbage | Transplant outdoors (spring) | Feb 10 – Mar 13 |
| Cabbage | Start seeds indoors (fall) | Jul 11 – Aug 10 |
| Cabbage | Transplant outdoors (fall) | Aug 10 – Sep 10 |
| Leaf lettuce | Sow outdoors (spring) | Feb 10 – Apr 28 |
| Leaf lettuce | Sow outdoors (fall) | Aug 10 – Sep 26 |
| Spinach | Sow outdoors (spring) | Feb 3 – Mar 19 |
| Spinach | Sow outdoors (fall) | Aug 27 – Oct 1 |
| Radishes | Sow outdoors (spring) | Feb 10 – Apr 2 |
| Radishes | Sow outdoors (fall) | Aug 10 – Oct 11 |
| Kale | Sow outdoors (spring) | Feb 27 – Mar 19 |
| Kale | Sow outdoors (fall) | Aug 3 – Sep 10 |
| Carrots | Sow outdoors (spring) | Mar 13 – Apr 28 |
| Carrots | Sow outdoors (fall) | Jul 11 – Aug 26 |
| Garlic | Plant outdoors (fall) | Nov 10 – Dec 11 |
Where these dates come from
ZIP code 29582 is matched to the NOAA station N Myrtle Bch Ap, SC, 6.4 km away, at 32 ft elevation (6 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| N Myrtle Bch Ap, SC (used) | 32 ft | Mar 13 | Nov 20 |
| Myrtle Beach, SC | 39 ft | Mar 21 | Nov 13 |
| Longwood, NC | 40 ft | Mar 26 | Nov 11 |
| Shallotte Ag, NC | 20 ft | Mar 20 | Nov 17 |
Frost dates near North Myrtle Beach
- North Myrtle Beach, SC 29597 · last Mar 13, first Nov 20
- Little River, SC 29566 · last Mar 13, first Nov 20
- Calabash, NC 28467 · last Mar 26, first Nov 11
- Sunset Beach, NC 28468 · last Mar 20, first Nov 17
- Longs, SC 29568 · last Mar 13, first Nov 20
- Myrtle Beach, SC 29572 · last Mar 21, first Nov 13
- Longwood, NC 28452 · last Mar 26, first Nov 11
- Ocean Isle Beach, NC 28469 · last Mar 20, first Nov 17
Frequently asked questions
- When is the last frost in North Myrtle Beach, SC?
- For ZIP code 29582, the average last spring frost (32°F) is March 13, based on NOAA 1991-2020 climate normals for the N Myrtle Bch Ap, SC weather station. There is a 1-in-10 chance of a frost after March 31.
- When is the first frost in North Myrtle Beach, SC?
- The average first fall frost (32°F) is November 20. There is a 1-in-10 chance of frost by November 4, so tender plants are at risk from that point on.
- How long is the growing season in 29582?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 255 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.