Frost dates for 76137Fort Worth, TX
The average last spring frost in Fort Worth is March 10 and the average first fall frost is November 20, giving a typical growing season of about 255 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 10
- Average first fall frost
- Nov 20
- Growing season
- 255 days
Safer after Mar 31 (1-in-10 risk)
Possible by Nov 4 (1-in-10 risk)
First frost typically in 25 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Mar 6 · Mar 26 · Apr 16 | Oct 26 · Nov 9 · Nov 26 | 230 days | 100% |
| Frost / freeze (32°F) | Feb 21 · Mar 10 · Mar 31 | Nov 4 · Nov 20 · Dec 8 | 255 days | 100% |
| Hard freeze (28°F) | Feb 2 · Feb 26 · Mar 17 | Nov 13 · Dec 1 · Dec 23 | 278 days | 100% |
Planting calendar for Fort Worth
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Feb 7 – Apr 15 |
| Tomatoes | Transplant outdoors | Mar 26 – Jul 31 |
| Peppers | Start seeds indoors | Feb 7 – Mar 10 |
| Peppers | Transplant outdoors | Apr 9 – May 10 |
| Eggplant | Start seeds indoors | Feb 24 – Mar 25 |
| Eggplant | Transplant outdoors | Apr 9 – May 10 |
| Cucumbers | Sow outdoors | Apr 9 – Aug 10 |
| Summer squash | Sow outdoors | Mar 26 – May 10 |
| Winter squash & pumpkins | Sow outdoors | Apr 9 – May 10 |
| Snap beans | Sow outdoors | Mar 26 – Sep 2 |
| Sweet corn | Sow outdoors | Mar 26 – Jul 31 |
| Watermelon & cantaloupe | Sow outdoors | Apr 9 – May 10 |
| Okra | Sow outdoors | Apr 2 – Apr 25 |
| Peas | Sow outdoors (spring) | Feb 7 – Mar 25 |
| Potatoes | Plant outdoors (spring) | Feb 7 – Apr 9 |
| Onions | Start seeds indoors (spring) | Dec 27 – Jan 23 |
| Onions | Transplant outdoors (spring) | Feb 24 – Mar 25 |
| Broccoli | Start seeds indoors (spring) | Jan 20 – Feb 23 |
| Broccoli | Transplant outdoors (spring) | Feb 24 – Mar 25 |
| Broccoli | Start seeds indoors (fall) | Jul 21 – Jul 31 |
| Broccoli | Transplant outdoors (fall) | Aug 20 – Aug 31 |
| Cabbage | Start seeds indoors (spring) | Jan 10 – Feb 7 |
| Cabbage | Transplant outdoors (spring) | Feb 7 – Mar 10 |
| Cabbage | Start seeds indoors (fall) | Jul 11 – Aug 10 |
| Cabbage | Transplant outdoors (fall) | Aug 10 – Sep 10 |
| Leaf lettuce | Sow outdoors (spring) | Feb 7 – Apr 25 |
| Leaf lettuce | Sow outdoors (fall) | Aug 10 – Sep 26 |
| Spinach | Sow outdoors (spring) | Jan 31 – Mar 16 |
| Spinach | Sow outdoors (fall) | Aug 27 – Oct 1 |
| Radishes | Sow outdoors (spring) | Feb 7 – Mar 30 |
| Radishes | Sow outdoors (fall) | Aug 10 – Oct 11 |
| Kale | Sow outdoors (spring) | Feb 24 – Mar 16 |
| Kale | Sow outdoors (fall) | Aug 3 – Sep 10 |
| Carrots | Sow outdoors (spring) | Mar 10 – Apr 25 |
| Carrots | Sow outdoors (fall) | Jul 11 – Aug 26 |
| Garlic | Plant outdoors (fall) | Nov 10 – Dec 11 |
Where these dates come from
ZIP code 76137 is matched to the NOAA station Ft Worth Wsfo, TX, 3.7 km away, at 644 ft elevation (40 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Ft Worth Wsfo, TX (used) | 644 ft | Mar 10 | Nov 20 |
| Ft Worth Meacham Fld Naaf, TX | 705 ft | Mar 5 | Nov 24 |
| Ft Worth Meacham Fld, TX | 687 ft | Mar 11 | Nov 19 |
| Ft Worth Alliance Ap, TX | 685 ft | Mar 12 | Nov 17 |
Frost dates near Fort Worth
- Fort Worth, TX 76148 · last Mar 10, first Nov 20
- Haltom City, TX 76117 · last Mar 10, first Nov 20
- North Richland Hills, TX 76180 · last Mar 10, first Nov 20
- Keller, TX 76244 · last Mar 12, first Nov 17
- Arlington, TX 76005 · last Mar 10, first Nov 20
- Hurst, TX 76054 · last Mar 10, first Nov 20
- Haslet, TX 76052 · last Mar 12, first Nov 17
- Colleyville, TX 76034 · last Mar 14, first Nov 17
Frequently asked questions
- When is the last frost in Fort Worth, TX?
- For ZIP code 76137, the average last spring frost (32°F) is March 10, based on NOAA 1991-2020 climate normals for the Ft Worth Wsfo, TX weather station. There is a 1-in-10 chance of a frost after March 31.
- When is the first frost in Fort Worth, TX?
- The average first fall frost (32°F) is November 20. There is a 1-in-10 chance of frost by November 4, so tender plants are at risk from that point on.
- How long is the growing season in 76137?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 255 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.