Frost Dates for Keller, TX
In Keller, TX, the average last spring frost is around Mar 12 and the average first fall frost around Nov 17, for a growing season of about 249 days. For frost-tender plants, wait until Apr 3, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Ft Worth Alliance Airport, TX weather station, 6 miles away, elevation 685 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 3 | Oct 31 |
| 20% | Mar 27 | Nov 5 |
| 30% | Mar 21 | Nov 8 |
| 40% | Mar 16 | Nov 12 |
| 50% | Mar 12 | Nov 17 |
| 60% | Mar 9 | Nov 20 |
| 70% | Mar 4 | Nov 25 |
| 80% | Feb 28 | Nov 30 |
| 90% | Feb 21 | Dec 5 |
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 27 | Nov 6 |
| Frost / freeze (32°F) | Mar 12 | Nov 17 |
| Hard freeze (28°F) | Feb 28 | Dec 1 |
Planting calendar for Keller
Transplant Mar 19 – Apr 2
Transplant Mar 26 – Apr 9
Transplant Mar 26 – Apr 9
Transplant Mar 19 – Apr 2
Sow or transplant Mar 19 – Apr 2
Sow or transplant Mar 19 – Apr 2
Sow or transplant Mar 26 – Apr 9
Sow or transplant Feb 12 – Feb 26
Fall sowing Sep 22 – Oct 20
Fall sowing Sep 22 – Oct 13
Fall sowing Sep 8 – Sep 22
Sow or transplant Feb 12 – Feb 26
Fall sowing Sep 8 – Oct 6
Transplant Feb 26 – Mar 12
Fall sowing Aug 25 – Sep 8
Transplant Feb 19 – Mar 5
Fall sowing Aug 25 – Sep 8
Fall sowing Aug 25 – Sep 8
Fall sowing Oct 6 – Oct 27
Fall sowing Sep 8 – Sep 22
Plant Feb 12 – Feb 26
Based on the average last frost (Mar 12) and first frost (Nov 17). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.