Frost Dates for Myrtle Beach, SC
In Myrtle Beach, SC, the average last spring frost is around Mar 21 and the average first fall frost around Nov 13, for a growing season of about 239 days. For frost-tender plants, wait until Apr 7, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Myrtle Beach, SC weather station, 5 miles away, elevation 39 ft. Frost can come earlier in low spots and valleys and later near cities and large lakes.
Frost probability by date
Chance of a 32°F frost after the spring date, or before the fall date.
| Chance | Last spring frost | First fall frost |
|---|---|---|
| 10% | Apr 7 | Oct 31 |
| 20% | Apr 2 | Nov 3 |
| 30% | Mar 29 | Nov 7 |
| 40% | Mar 26 | Nov 10 |
| 50% | Mar 21 | Nov 13 |
| 60% | Mar 18 | Nov 16 |
| 70% | Mar 14 | Nov 19 |
| 80% | Mar 9 | Nov 25 |
| 90% | Mar 2 | Dec 3 |
Light frost vs. hard freeze
Average (50%) dates for each temperature. Tender plants are damaged at 36°F; most hardy crops survive until 28°F.
| Temperature | Last in spring | First in fall |
|---|---|---|
| Light frost (36°F) | Apr 3 | Nov 3 |
| Frost / freeze (32°F) | Mar 21 | Nov 13 |
| Hard freeze (28°F) | Mar 7 | Nov 26 |
Planting calendar for Myrtle Beach
Transplant Mar 28 – Apr 11
Transplant Apr 4 – Apr 18
Transplant Apr 4 – Apr 18
Transplant Mar 28 – Apr 11
Sow or transplant Mar 28 – Apr 11
Sow or transplant Mar 28 – Apr 11
Sow or transplant Apr 4 – Apr 18
Sow or transplant Feb 21 – Mar 7
Fall sowing Sep 18 – Oct 16
Fall sowing Sep 18 – Oct 9
Fall sowing Sep 4 – Sep 18
Sow or transplant Feb 21 – Mar 7
Fall sowing Sep 4 – Oct 2
Transplant Mar 7 – Mar 21
Fall sowing Aug 21 – Sep 4
Transplant Feb 28 – Mar 14
Fall sowing Aug 21 – Sep 4
Fall sowing Aug 21 – Sep 4
Fall sowing Oct 2 – Oct 23
Fall sowing Sep 4 – Sep 18
Plant Feb 21 – Mar 7
Based on the average last frost (Mar 21) and first frost (Nov 13). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.