Frost Dates for Houma, LA
In Houma, LA, the average last spring frost is around Feb 5 and the average first fall frost around Dec 17, for a growing season of about 312 days. For frost-tender plants, wait until Mar 7, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Houma, LA weather station, 8 miles away, elevation 8 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 7 | Nov 23 |
| 20% | Feb 28 | Dec 1 |
| 30% | Feb 21 | Dec 6 |
| 40% | Feb 14 | Dec 11 |
| 50% | Feb 5 | Dec 17 |
| 60% | Jan 31 | Dec 22 |
| 70% | Jan 27 | Dec 28 |
| 80% | Jan 20 | Jan 2 |
| 90% | Jan 6 | Jan 13 |
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) | Feb 25 | Nov 28 |
| Frost / freeze (32°F) | Feb 5 | Dec 17 |
| Hard freeze (28°F) | Jan 26 | Jan 2 |
Planting calendar for Houma
Transplant Feb 12 – Feb 26
Transplant Feb 19 – Mar 5
Transplant Feb 19 – Mar 5
Transplant Feb 12 – Feb 26
Sow or transplant Feb 12 – Feb 26
Sow or transplant Feb 12 – Feb 26
Sow or transplant Feb 19 – Mar 5
Sow or transplant Jan 8 – Jan 22
Fall sowing Oct 22 – Nov 19
Fall sowing Oct 22 – Nov 12
Fall sowing Oct 8 – Oct 22
Sow or transplant Jan 8 – Jan 22
Fall sowing Oct 8 – Nov 5
Transplant Jan 22 – Feb 5
Fall sowing Sep 24 – Oct 8
Transplant Jan 15 – Jan 29
Fall sowing Sep 24 – Oct 8
Fall sowing Sep 24 – Oct 8
Fall sowing Nov 5 – Nov 26
Fall sowing Oct 8 – Oct 22
Plant Jan 8 – Jan 22
Based on the average last frost (Feb 5) and first frost (Dec 17). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.