Frost dates for 76578Thrall, TX
The average last spring frost in Thrall is March 8 and the average first fall frost is November 21, giving a typical growing season of about 257 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 8
- Average first fall frost
- Nov 21
- Growing season
- 257 days
Safer after Mar 30 (1-in-10 risk)
Possible by Nov 2 (1-in-10 risk)
First frost typically in 18 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 1 · Mar 21 · Apr 10 | Oct 26 · Nov 9 · Nov 30 | 233 days | 100% |
| Frost / freeze (32°F) | Feb 14 · Mar 8 · Mar 30 | Nov 2 · Nov 21 · Dec 12 | 257 days | 100% |
| Hard freeze (28°F) | Jan 22 · Feb 24 · Mar 15 | Nov 12 · Dec 4 · Jan 2 | 286 days | 99% |
Planting calendar for Thrall
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 5 – Apr 13 |
| Tomatoes | Transplant outdoors | Mar 24 – Aug 1 |
| Peppers | Start seeds indoors | Feb 5 – Mar 8 |
| Peppers | Transplant outdoors | Apr 7 – May 8 |
| Eggplant | Start seeds indoors | Feb 22 – Mar 23 |
| Eggplant | Transplant outdoors | Apr 7 – May 8 |
| Cucumbers | Sow outdoors | Apr 7 – Aug 11 |
| Summer squash | Sow outdoors | Mar 24 – May 8 |
| Winter squash & pumpkins | Sow outdoors | Apr 7 – May 8 |
| Snap beans | Sow outdoors | Mar 24 – Sep 3 |
| Sweet corn | Sow outdoors | Mar 24 – Aug 1 |
| Watermelon & cantaloupe | Sow outdoors | Apr 7 – May 8 |
| Okra | Sow outdoors | Mar 31 – Apr 23 |
| Peas | Sow outdoors (spring) | Feb 5 – Mar 23 |
| Potatoes | Plant outdoors (spring) | Feb 5 – Apr 7 |
| Onions | Start seeds indoors (spring) | Dec 25 – Jan 21 |
| Onions | Transplant outdoors (spring) | Feb 22 – Mar 23 |
| Broccoli | Start seeds indoors (spring) | Jan 18 – Feb 21 |
| Broccoli | Transplant outdoors (spring) | Feb 22 – Mar 23 |
| Broccoli | Start seeds indoors (fall) | Jul 22 – Aug 1 |
| Broccoli | Transplant outdoors (fall) | Aug 21 – Sep 1 |
| Cabbage | Start seeds indoors (spring) | Jan 8 – Feb 5 |
| Cabbage | Transplant outdoors (spring) | Feb 5 – Mar 8 |
| Cabbage | Start seeds indoors (fall) | Jul 12 – Aug 11 |
| Cabbage | Transplant outdoors (fall) | Aug 11 – Sep 11 |
| Leaf lettuce | Sow outdoors (spring) | Feb 5 – Apr 23 |
| Leaf lettuce | Sow outdoors (fall) | Aug 11 – Sep 27 |
| Spinach | Sow outdoors (spring) | Jan 29 – Mar 14 |
| Spinach | Sow outdoors (fall) | Aug 28 – Oct 2 |
| Radishes | Sow outdoors (spring) | Feb 5 – Mar 28 |
| Radishes | Sow outdoors (fall) | Aug 11 – Oct 12 |
| Kale | Sow outdoors (spring) | Feb 22 – Mar 14 |
| Kale | Sow outdoors (fall) | Aug 4 – Sep 11 |
| Carrots | Sow outdoors (spring) | Mar 8 – Apr 23 |
| Carrots | Sow outdoors (fall) | Jul 12 – Aug 27 |
| Garlic | Plant outdoors (fall) | Nov 11 – Dec 12 |
Where these dates come from
ZIP code 76578 is matched to the NOAA station Taylor 1Nw, TX, 12.1 km away, at 571 ft elevation (23 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Taylor 1Nw, TX (used) | 571 ft | Mar 8 | Nov 21 |
| Granger Dam, TX | 555 ft | Mar 5 | Nov 22 |
| Elgin 1 N, TX | 594 ft | Mar 4 | Nov 24 |
| Lexington, TX | 423 ft | Mar 5 | Nov 21 |
Frost dates near Thrall
- Thorndale, TX 76577 · last Mar 5, first Nov 22
- Taylor, TX 76574 · last Mar 8, first Nov 21
- Coupland, TX 78615 · last Mar 8, first Nov 21
- Davilla, TX 76523 · last Mar 5, first Nov 22
- Granger, TX 76530 · last Mar 5, first Nov 22
- Bartlett, TX 76511 · last Mar 5, first Nov 22
- Hutto, TX 78634 · last Mar 8, first Nov 21
- Rockdale, TX 76567 · last Mar 6, first Nov 23
Frequently asked questions
- When is the last frost in Thrall, TX?
- For ZIP code 76578, the average last spring frost (32°F) is March 8, based on NOAA 1991-2020 climate normals for the Taylor 1Nw, TX weather station. There is a 1-in-10 chance of a frost after March 30.
- When is the first frost in Thrall, TX?
- The average first fall frost (32°F) is November 21. There is a 1-in-10 chance of frost by November 2, so tender plants are at risk from that point on.
- How long is the growing season in 76578?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 257 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.