Frost Dates for Lafayette, LA
In Lafayette, LA, the average last spring frost is around Feb 26 and the average first fall frost around Nov 28, for a growing season of about 279 days. For frost-tender plants, wait until Mar 20, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Lafayette, LA weather station, 2 miles away, elevation 25 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 20 | Nov 7 |
| 20% | Mar 13 | Nov 13 |
| 30% | Mar 7 | Nov 19 |
| 40% | Mar 2 | Nov 24 |
| 50% | Feb 26 | Nov 28 |
| 60% | Feb 21 | Dec 1 |
| 70% | Feb 15 | Dec 6 |
| 80% | Feb 5 | Dec 13 |
| 90% | Jan 29 | Dec 26 |
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 11 | Nov 13 |
| Frost / freeze (32°F) | Feb 26 | Nov 28 |
| Hard freeze (28°F) | Feb 5 | Dec 14 |
Planting calendar for Lafayette
Transplant Mar 5 – Mar 19
Transplant Mar 12 – Mar 26
Transplant Mar 12 – Mar 26
Transplant Mar 5 – Mar 19
Sow or transplant Mar 5 – Mar 19
Sow or transplant Mar 5 – Mar 19
Sow or transplant Mar 12 – Mar 26
Sow or transplant Jan 29 – Feb 12
Fall sowing Oct 3 – Oct 31
Fall sowing Oct 3 – Oct 24
Fall sowing Sep 19 – Oct 3
Sow or transplant Jan 29 – Feb 12
Fall sowing Sep 19 – Oct 17
Transplant Feb 12 – Feb 26
Fall sowing Sep 5 – Sep 19
Transplant Feb 5 – Feb 19
Fall sowing Sep 5 – Sep 19
Fall sowing Sep 5 – Sep 19
Fall sowing Oct 17 – Nov 7
Fall sowing Sep 19 – Oct 3
Plant Jan 29 – Feb 12
Based on the average last frost (Feb 26) and first frost (Nov 28). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.