Frost dates for 75470Petty, TX
The average last spring frost in Petty is March 14 and the average first fall frost is November 16, giving a typical growing season of about 247 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 14
- Average first fall frost
- Nov 16
- Growing season
- 247 days
Safer after Apr 2 (1-in-10 risk)
Possible by Nov 1 (1-in-10 risk)
First frost typically in 20 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 28 · Apr 16 | Oct 22 · Nov 6 · Nov 23 | 223 days | 100% |
| Frost / freeze (32°F) | Feb 24 · Mar 14 · Apr 2 | Nov 1 · Nov 16 · Dec 6 | 247 days | 100% |
| Hard freeze (28°F) | Feb 9 · Mar 1 · Mar 21 | Nov 10 · Dec 1 · Dec 21 | 274 days | 100% |
Planting calendar for Petty
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 11 – Apr 19 |
| Tomatoes | Transplant outdoors | Mar 30 – Jul 27 |
| Peppers | Start seeds indoors | Feb 11 – Mar 14 |
| Peppers | Transplant outdoors | Apr 13 – May 14 |
| Eggplant | Start seeds indoors | Feb 28 – Mar 29 |
| Eggplant | Transplant outdoors | Apr 13 – May 14 |
| Cucumbers | Sow outdoors | Apr 13 – Aug 6 |
| Summer squash | Sow outdoors | Mar 30 – May 14 |
| Winter squash & pumpkins | Sow outdoors | Apr 13 – May 14 |
| Snap beans | Sow outdoors | Mar 30 – Aug 29 |
| Sweet corn | Sow outdoors | Mar 30 – Jul 27 |
| Watermelon & cantaloupe | Sow outdoors | Apr 13 – May 14 |
| Okra | Sow outdoors | Apr 6 – Apr 29 |
| Peas | Sow outdoors (spring) | Feb 11 – Mar 29 |
| Potatoes | Plant outdoors (spring) | Feb 11 – Apr 13 |
| Onions | Start seeds indoors (spring) | Dec 31 – Jan 27 |
| Onions | Transplant outdoors (spring) | Feb 28 – Mar 29 |
| Broccoli | Start seeds indoors (spring) | Jan 24 – Feb 27 |
| Broccoli | Transplant outdoors (spring) | Feb 28 – Mar 29 |
| Broccoli | Start seeds indoors (fall) | Jul 17 – Jul 27 |
| Broccoli | Transplant outdoors (fall) | Aug 16 – Aug 27 |
| Cabbage | Start seeds indoors (spring) | Jan 14 – Feb 11 |
| Cabbage | Transplant outdoors (spring) | Feb 11 – Mar 14 |
| Cabbage | Start seeds indoors (fall) | Jul 7 – Aug 6 |
| Cabbage | Transplant outdoors (fall) | Aug 6 – Sep 6 |
| Leaf lettuce | Sow outdoors (spring) | Feb 11 – Apr 29 |
| Leaf lettuce | Sow outdoors (fall) | Aug 6 – Sep 22 |
| Spinach | Sow outdoors (spring) | Feb 4 – Mar 20 |
| Spinach | Sow outdoors (fall) | Aug 23 – Sep 27 |
| Radishes | Sow outdoors (spring) | Feb 11 – Apr 3 |
| Radishes | Sow outdoors (fall) | Aug 6 – Oct 7 |
| Kale | Sow outdoors (spring) | Feb 28 – Mar 20 |
| Kale | Sow outdoors (fall) | Jul 30 – Sep 6 |
| Carrots | Sow outdoors (spring) | Mar 14 – Apr 29 |
| Carrots | Sow outdoors (fall) | Jul 7 – Aug 22 |
| Garlic | Plant outdoors (fall) | Nov 6 – Dec 7 |
Where these dates come from
ZIP code 75470 is matched to the NOAA station Paris, TX, 22.5 km away, at 542 ft elevation (108 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Paris, TX (used) | 542 ft | Mar 14 | Nov 16 |
| Bonham 3Nne, TX | 592 ft | Mar 16 | Nov 13 |
| Cooper Dam, TX | 463 ft | Mar 18 | Nov 13 |
| Hugo, OK | 520 ft | Mar 15 | Nov 15 |
Frost dates near Petty
- Roxton, TX 75477 · last Mar 14, first Nov 16
- Brookston, TX 75421 · last Mar 14, first Nov 16
- Honey Grove, TX 75446 · last Mar 16, first Nov 13
- Ben Franklin, TX 75415 · last Mar 14, first Nov 16
- Sumner, TX 75486 · last Mar 14, first Nov 16
- Windom, TX 75492 · last Mar 16, first Nov 13
- Pecan Gap, TX 75469 · last Mar 15, first Nov 14
- Paris, TX 75461 · last Mar 14, first Nov 16
Frequently asked questions
- When is the last frost in Petty, TX?
- For ZIP code 75470, the average last spring frost (32°F) is March 14, based on NOAA 1991-2020 climate normals for the Paris, TX weather station. There is a 1-in-10 chance of a frost after April 2.
- When is the first frost in Petty, TX?
- The average first fall frost (32°F) is November 16. There is a 1-in-10 chance of frost by November 1, so tender plants are at risk from that point on.
- How long is the growing season in 75470?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 247 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.