Frost dates / Texas / DeSoto
Frost dates in DeSoto, TX
The station on this page is DALLAS REDBIRD AP, TX US (USW00003971), 5.6 miles from the city point. Population in the Census 2024 estimate is 56,711.
Zone 8bUSDA average annual extreme minimum 15°F to 20°F, from ZIP 75115 (0.1 miles from the city point used on this page).
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Last 32°F in spring
NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.
| Probability | Date | How to read it |
|---|---|---|
| 90% | February 15 | Earlier date. A last 32°F on or after this day is common. |
| 50% | March 6 | Median. |
| 10% | March 26 | Later date. A last 32°F on or after this day is uncommon. |
First 32°F in fall
NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.
| Probability | Date | How to read it |
|---|---|---|
| 10% | November 6 | Earlier date. A first 32°F on or before this day is uncommon. |
| 50% | November 25 | Median. |
| 90% | December 14 | Later date. A first 32°F on or before this day is common. |
32°F growing-season length
Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.
| Probability the season is at least this long | Days |
|---|---|
| 10% | 291 |
| 50% | 265 |
| 90% | 239 |
28°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | March 12 | February 22 | January 24 |
| First, on or before | November 19 | December 9 | January 5 |
| Season at least | 325 days | 292 days | 263 days |
36°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | April 9 | March 19 | February 28 |
| First, on or before | October 27 | November 12 | December 1 |
| Season at least | 260 days | 238 days | 211 days |
Station DALLAS REDBIRD AP, TX US (USW00003971). Completeness flag R, 20 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 200.6 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.
Planting calendar for DeSoto · Zone 8b
Check a crop against this station
DeSoto, TX
Zone 8bAverage annual extreme minimum 15°F to 20°F
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Texas. Nearest qualified station: DALLAS REDBIRD AP, TX US (USW00003971), 5.6 miles. Median last 32°F March 6. Median first 32°F November 25. The 50% growing-season length is 265 days.
Open the ZIP page · Crop guides for Texas
32°F probabilities at this station
| 10% | 50% | 90% | |
|---|---|---|---|
| Last 32°F on or after | March 26 | March 6 | February 15 |
| First 32°F on or before | November 6 | November 25 | December 14 |
Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.

Planting calendar
Windows below are from Texas A&M AgriLife Extension, Texas Home Vegetable Gardening Guide, retrieved 2026-10-10. Table 8 is statewide and is written as weeks before or after the frost-free date (spring) and the first freeze date (fall). It is not a single calendar date for every Texas city.
Date checks use your device’s calendar and appear after the page loads.