Frost Dates for Tuscaloosa, AL
In Tuscaloosa, AL, the average last spring frost is around Mar 18 and the average first fall frost around Nov 10, for a growing season of about 239 days. For frost-tender plants, wait until Apr 4, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Northport 2 S, AL weather station, 4 miles away, elevation 150 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 4 | Oct 29 |
| 20% | Mar 30 | Nov 1 |
| 30% | Mar 25 | Nov 5 |
| 40% | Mar 22 | Nov 7 |
| 50% | Mar 18 | Nov 10 |
| 60% | Mar 14 | Nov 14 |
| 70% | Mar 10 | Nov 17 |
| 80% | Mar 5 | Nov 22 |
| 90% | Feb 26 | Nov 29 |
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 1 | Nov 1 |
| Frost / freeze (32°F) | Mar 18 | Nov 10 |
| Hard freeze (28°F) | Mar 3 | Nov 25 |
Planting calendar for Tuscaloosa
Transplant Mar 25 – Apr 8
Transplant Apr 1 – Apr 15
Transplant Apr 1 – Apr 15
Transplant Mar 25 – Apr 8
Sow or transplant Mar 25 – Apr 8
Sow or transplant Mar 25 – Apr 8
Sow or transplant Apr 1 – Apr 15
Sow or transplant Feb 18 – Mar 4
Fall sowing Sep 15 – Oct 13
Fall sowing Sep 15 – Oct 6
Fall sowing Sep 1 – Sep 15
Sow or transplant Feb 18 – Mar 4
Fall sowing Sep 1 – Sep 29
Transplant Mar 4 – Mar 18
Fall sowing Aug 18 – Sep 1
Transplant Feb 25 – Mar 11
Fall sowing Aug 18 – Sep 1
Fall sowing Aug 18 – Sep 1
Fall sowing Sep 29 – Oct 20
Fall sowing Sep 1 – Sep 15
Plant Feb 18 – Mar 4
Based on the average last frost (Mar 18) and first frost (Nov 10). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.