Frost Dates for Denton, TX
In Denton, TX, the average last spring frost is around Mar 13 and the average first fall frost around Nov 20, for a growing season of about 251 days. For frost-tender plants, wait until Mar 31, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Denton 2 Se, TX weather station, 2 miles away, elevation 630 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 31 | Nov 3 |
| 20% | Mar 26 | Nov 8 |
| 30% | Mar 21 | Nov 12 |
| 40% | Mar 17 | Nov 16 |
| 50% | Mar 13 | Nov 20 |
| 60% | Mar 10 | Nov 23 |
| 70% | Mar 5 | Nov 29 |
| 80% | Mar 1 | Dec 2 |
| 90% | Feb 24 | Dec 8 |
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 28 | Nov 10 |
| Frost / freeze (32°F) | Mar 13 | Nov 20 |
| Hard freeze (28°F) | Mar 1 | Dec 1 |
Planting calendar for Denton
Transplant Mar 20 – Apr 3
Transplant Mar 27 – Apr 10
Transplant Mar 27 – Apr 10
Transplant Mar 20 – Apr 3
Sow or transplant Mar 20 – Apr 3
Sow or transplant Mar 20 – Apr 3
Sow or transplant Mar 27 – Apr 10
Sow or transplant Feb 13 – Feb 27
Fall sowing Sep 25 – Oct 23
Fall sowing Sep 25 – Oct 16
Fall sowing Sep 11 – Sep 25
Sow or transplant Feb 13 – Feb 27
Fall sowing Sep 11 – Oct 9
Transplant Feb 27 – Mar 13
Fall sowing Aug 28 – Sep 11
Transplant Feb 20 – Mar 6
Fall sowing Aug 28 – Sep 11
Fall sowing Aug 28 – Sep 11
Fall sowing Oct 9 – Oct 30
Fall sowing Sep 11 – Sep 25
Plant Feb 13 – Feb 27
Based on the average last frost (Mar 13) and first frost (Nov 20). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.