Frost Dates for New Braunfels, TX
In New Braunfels, TX, the average last spring frost is around Mar 8 and the average first fall frost around Nov 18, for a growing season of about 253 days. For frost-tender plants, wait until Apr 1, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the New Braunfels, TX weather station, 4 miles away, elevation 720 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 1 | Nov 2 |
| 20% | Mar 24 | Nov 6 |
| 30% | Mar 18 | Nov 10 |
| 40% | Mar 13 | Nov 14 |
| 50% | Mar 8 | Nov 18 |
| 60% | Mar 3 | Nov 22 |
| 70% | Feb 28 | Nov 27 |
| 80% | Feb 23 | Dec 1 |
| 90% | Feb 17 | Dec 10 |
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 25 | Nov 7 |
| Frost / freeze (32°F) | Mar 8 | Nov 18 |
| Hard freeze (28°F) | Feb 24 | Dec 2 |
Planting calendar for New Braunfels
Transplant Mar 15 – Mar 29
Transplant Mar 22 – Apr 5
Transplant Mar 22 – Apr 5
Transplant Mar 15 – Mar 29
Sow or transplant Mar 15 – Mar 29
Sow or transplant Mar 15 – Mar 29
Sow or transplant Mar 22 – Apr 5
Sow or transplant Feb 8 – Feb 22
Fall sowing Sep 23 – Oct 21
Fall sowing Sep 23 – Oct 14
Fall sowing Sep 9 – Sep 23
Sow or transplant Feb 8 – Feb 22
Fall sowing Sep 9 – Oct 7
Transplant Feb 22 – Mar 8
Fall sowing Aug 26 – Sep 9
Transplant Feb 15 – Mar 1
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 8 – Feb 22
Based on the average last frost (Mar 8) and first frost (Nov 18). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.