Frost Dates for Forney, TX
In Forney, TX, the average last spring frost is around Mar 11 and the average first fall frost around Nov 18, for a growing season of about 250 days. For frost-tender plants, wait until Mar 29, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Terrell Muni Airport, TX weather station, 11 miles away, elevation 475 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 29 | Nov 2 |
| 20% | Mar 22 | Nov 6 |
| 30% | Mar 17 | Nov 10 |
| 40% | Mar 13 | Nov 14 |
| 50% | Mar 11 | Nov 18 |
| 60% | Mar 8 | Nov 21 |
| 70% | Mar 3 | Nov 25 |
| 80% | Feb 27 | Dec 1 |
| 90% | Feb 21 | Dec 6 |
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 24 | Nov 7 |
| Frost / freeze (32°F) | Mar 11 | Nov 18 |
| Hard freeze (28°F) | Feb 28 | Nov 30 |
Planting calendar for Forney
Transplant Mar 18 – Apr 1
Transplant Mar 25 – Apr 8
Transplant Mar 25 – Apr 8
Transplant Mar 18 – Apr 1
Sow or transplant Mar 18 – Apr 1
Sow or transplant Mar 18 – Apr 1
Sow or transplant Mar 25 – Apr 8
Sow or transplant Feb 11 – Feb 25
Fall sowing Sep 23 – Oct 21
Fall sowing Sep 23 – Oct 14
Fall sowing Sep 9 – Sep 23
Sow or transplant Feb 11 – Feb 25
Fall sowing Sep 9 – Oct 7
Transplant Feb 25 – Mar 11
Fall sowing Aug 26 – Sep 9
Transplant Feb 18 – Mar 4
Fall sowing Aug 26 – Sep 9
Fall sowing Aug 26 – Sep 9
Fall sowing Oct 7 – Oct 28
Fall sowing Sep 9 – Sep 23
Plant Feb 11 – Feb 25
Based on the average last frost (Mar 11) and first frost (Nov 18). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.