Frost Dates for Baytown, TX
In Baytown, TX, the average last spring frost is around Feb 20 and the average first fall frost around Dec 4, for a growing season of about 292 days. For frost-tender plants, wait until Mar 14, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Baytown, TX weather station, 10 miles away, elevation 26 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 14 | Nov 12 |
| 20% | Mar 6 | Nov 19 |
| 30% | Mar 2 | Nov 25 |
| 40% | Feb 25 | Dec 1 |
| 50% | Feb 20 | Dec 4 |
| 60% | Feb 12 | Dec 9 |
| 70% | Feb 6 | Dec 16 |
| 80% | Jan 31 | Dec 25 |
| 90% | Jan 23 | Jan 4 |
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 6 | Nov 20 |
| Frost / freeze (32°F) | Feb 20 | Dec 4 |
| Hard freeze (28°F) | Jan 30 | Dec 28 |
Planting calendar for Baytown
Transplant Feb 27 – Mar 13
Transplant Mar 6 – Mar 20
Transplant Mar 6 – Mar 20
Transplant Feb 27 – Mar 13
Sow or transplant Feb 27 – Mar 13
Sow or transplant Feb 27 – Mar 13
Sow or transplant Mar 6 – Mar 20
Sow or transplant Jan 23 – Feb 6
Fall sowing Oct 9 – Nov 6
Fall sowing Oct 9 – Oct 30
Fall sowing Sep 25 – Oct 9
Sow or transplant Jan 23 – Feb 6
Fall sowing Sep 25 – Oct 23
Transplant Feb 6 – Feb 20
Fall sowing Sep 11 – Sep 25
Transplant Jan 30 – Feb 13
Fall sowing Sep 11 – Sep 25
Fall sowing Sep 11 – Sep 25
Fall sowing Oct 23 – Nov 13
Fall sowing Sep 25 – Oct 9
Plant Jan 23 – Feb 6
Based on the average last frost (Feb 20) and first frost (Dec 4). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.