Frost Dates for Bluffton, SC
In Bluffton, SC, the average last spring frost is around Mar 2 and the average first fall frost around Nov 30, for a growing season of about 270 days. For frost-tender plants, wait until Mar 25, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Savannah Intl. Airport, GA weather station, 17 miles away, elevation 46 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% | Mar 25 | Nov 11 |
| 20% | Mar 17 | Nov 17 |
| 30% | Mar 12 | Nov 21 |
| 40% | Mar 6 | Nov 25 |
| 50% | Mar 2 | Nov 30 |
| 60% | Feb 26 | Dec 3 |
| 70% | Feb 21 | Dec 8 |
| 80% | Feb 13 | Dec 16 |
| 90% | Feb 4 | Dec 28 |
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) | Mar 19 | Nov 16 |
| Frost / freeze (32°F) | Mar 2 | Nov 30 |
| Hard freeze (28°F) | Feb 13 | Dec 22 |
Planting calendar for Bluffton
Transplant Mar 9 – Mar 23
Transplant Mar 16 – Mar 30
Transplant Mar 16 – Mar 30
Transplant Mar 9 – Mar 23
Sow or transplant Mar 9 – Mar 23
Sow or transplant Mar 9 – Mar 23
Sow or transplant Mar 16 – Mar 30
Sow or transplant Feb 2 – Feb 16
Fall sowing Oct 5 – Nov 2
Fall sowing Oct 5 – Oct 26
Fall sowing Sep 21 – Oct 5
Sow or transplant Feb 2 – Feb 16
Fall sowing Sep 21 – Oct 19
Transplant Feb 16 – Mar 2
Fall sowing Sep 7 – Sep 21
Transplant Feb 9 – Feb 23
Fall sowing Sep 7 – Sep 21
Fall sowing Sep 7 – Sep 21
Fall sowing Oct 19 – Nov 9
Fall sowing Sep 21 – Oct 5
Plant Feb 2 – Feb 16
Based on the average last frost (Mar 2) and first frost (Nov 30). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.