Frost Dates for Alexandria, LA
In Alexandria, LA, the average last spring frost is around Feb 27 and the average first fall frost around Nov 27, for a growing season of about 274 days. For frost-tender plants, wait until Mar 18, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Alexandria, LA weather station, 2 miles away, elevation 87 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 18 | Nov 7 |
| 20% | Mar 11 | Nov 13 |
| 30% | Mar 6 | Nov 18 |
| 40% | Mar 2 | Nov 22 |
| 50% | Feb 27 | Nov 27 |
| 60% | Feb 24 | Dec 1 |
| 70% | Feb 19 | Dec 4 |
| 80% | Feb 11 | Dec 8 |
| 90% | Jan 31 | Dec 19 |
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 12 | Nov 14 |
| Frost / freeze (32°F) | Feb 27 | Nov 27 |
| Hard freeze (28°F) | Feb 8 | Dec 13 |
Planting calendar for Alexandria
Transplant Mar 6 – Mar 20
Transplant Mar 13 – Mar 27
Transplant Mar 13 – Mar 27
Transplant Mar 6 – Mar 20
Sow or transplant Mar 6 – Mar 20
Sow or transplant Mar 6 – Mar 20
Sow or transplant Mar 13 – Mar 27
Sow or transplant Jan 30 – Feb 13
Fall sowing Oct 2 – Oct 30
Fall sowing Oct 2 – Oct 23
Fall sowing Sep 18 – Oct 2
Sow or transplant Jan 30 – Feb 13
Fall sowing Sep 18 – Oct 16
Transplant Feb 13 – Feb 27
Fall sowing Sep 4 – Sep 18
Transplant Feb 6 – Feb 20
Fall sowing Sep 4 – Sep 18
Fall sowing Sep 4 – Sep 18
Fall sowing Oct 16 – Nov 6
Fall sowing Sep 18 – Oct 2
Plant Jan 30 – Feb 13
Based on the average last frost (Feb 27) and first frost (Nov 27). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.