Frost Dates for Deer Park, TX
In Deer Park, TX, the average last spring frost is around Jan 30 and the average first fall frost around Dec 28, for a growing season of about 330 days. For frost-tender plants, wait until Mar 1, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Houston Hobby Airport, TX weather station, 11 miles away, elevation 44 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 1 | Nov 27 |
| 20% | Feb 21 | Dec 5 |
| 30% | Feb 10 | Dec 10 |
| 40% | Feb 4 | Dec 20 |
| 50% | Jan 30 | Dec 28 |
| 60% | Jan 24 | Jan 2 |
| 70% | Jan 18 | Jan 7 |
| 80% | Jan 10 | Jan 15 |
| 90% | Dec 29 | Jan 27 |
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 17 | Dec 4 |
| Frost / freeze (32°F) | Jan 30 | Dec 28 |
| Hard freeze (28°F) | Jan 17 | Jan 8 |
Planting calendar for Deer Park
Transplant Feb 6 – Feb 20
Transplant Feb 13 – Feb 27
Transplant Feb 13 – Feb 27
Transplant Feb 6 – Feb 20
Sow or transplant Feb 6 – Feb 20
Sow or transplant Feb 6 – Feb 20
Sow or transplant Feb 13 – Feb 27
Sow or transplant Jan 2 – Jan 16
Fall sowing Nov 2 – Nov 30
Fall sowing Nov 2 – Nov 23
Fall sowing Oct 19 – Nov 2
Sow or transplant Jan 2 – Jan 16
Fall sowing Oct 19 – Nov 16
Transplant Jan 16 – Jan 30
Fall sowing Oct 5 – Oct 19
Transplant Jan 9 – Jan 23
Fall sowing Oct 5 – Oct 19
Fall sowing Oct 5 – Oct 19
Fall sowing Nov 16 – Dec 7
Fall sowing Oct 19 – Nov 2
Plant Jan 2 – Jan 16
Based on the average last frost (Jan 30) and first frost (Dec 28). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.