Frost dates for 75640Diana, TX
The average last spring frost in Diana is March 8 and the average first fall frost is November 22, giving a typical growing season of about 259 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 8
- Average first fall frost
- Nov 22
- Growing season
- 259 days
Safer after Mar 27 (1-in-10 risk)
Possible by Nov 4 (1-in-10 risk)
First frost typically in 27 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 3 · Mar 23 · Apr 11 | Oct 28 · Nov 10 · Nov 29 | 233 days | 100% |
| Frost / freeze (32°F) | Feb 17 · Mar 8 · Mar 27 | Nov 4 · Nov 22 · Dec 11 | 259 days | 100% |
| Hard freeze (28°F) | Jan 25 · Feb 24 · Mar 14 | Nov 13 · Dec 4 · Dec 31 | 287 days | 100% |
Planting calendar for Diana
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 2 |
| 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 12 |
| Summer squash | Sow outdoors | Mar 24 – May 8 |
| Winter squash & pumpkins | Sow outdoors | Apr 7 – May 8 |
| Snap beans | Sow outdoors | Mar 24 – Sep 4 |
| Sweet corn | Sow outdoors | Mar 24 – Aug 2 |
| 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 23 – Aug 2 |
| Broccoli | Transplant outdoors (fall) | Aug 22 – Sep 2 |
| Cabbage | Start seeds indoors (spring) | Jan 8 – Feb 5 |
| Cabbage | Transplant outdoors (spring) | Feb 5 – Mar 8 |
| Cabbage | Start seeds indoors (fall) | Jul 13 – Aug 12 |
| Cabbage | Transplant outdoors (fall) | Aug 12 – Sep 12 |
| Leaf lettuce | Sow outdoors (spring) | Feb 5 – Apr 23 |
| Leaf lettuce | Sow outdoors (fall) | Aug 12 – Sep 28 |
| Spinach | Sow outdoors (spring) | Jan 29 – Mar 14 |
| Spinach | Sow outdoors (fall) | Aug 29 – Oct 3 |
| Radishes | Sow outdoors (spring) | Feb 5 – Mar 28 |
| Radishes | Sow outdoors (fall) | Aug 12 – Oct 13 |
| Kale | Sow outdoors (spring) | Feb 22 – Mar 14 |
| Kale | Sow outdoors (fall) | Aug 5 – Sep 12 |
| Carrots | Sow outdoors (spring) | Mar 8 – Apr 23 |
| Carrots | Sow outdoors (fall) | Jul 13 – Aug 28 |
| Garlic | Plant outdoors (fall) | Nov 12 – Dec 13 |
Where these dates come from
ZIP code 75640 is matched to the NOAA station Daingerfield 9 S, TX, 16.8 km away, at 300 ft elevation (77 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Daingerfield 9 S, TX (used) | 300 ft | Mar 8 | Nov 22 |
| Diana 2 W, TX | 284 ft | Mar 10 | Nov 15 |
| Longview #2, TX | 504 ft | Mar 7 | Nov 23 |
| Jefferson, TX | 211 ft | Mar 18 | Nov 8 |
Frost dates near Diana
- Ore City, TX 75683 · last Mar 8, first Nov 22
- Avinger, TX 75630 · last Mar 8, first Nov 22
- Lone Star, TX 75668 · last Mar 8, first Nov 22
- Judson, TX 75660 · last Mar 7, first Nov 23
- Gilmer, TX 75645 · last Mar 16, first Nov 14
- Longview, TX 75605 · last Mar 7, first Nov 23
- Harleton, TX 75651 · last Mar 18, first Nov 8
- Hughes Springs, TX 75656 · last Mar 8, first Nov 22
Frequently asked questions
- When is the last frost in Diana, TX?
- For ZIP code 75640, the average last spring frost (32°F) is March 8, based on NOAA 1991-2020 climate normals for the Daingerfield 9 S, TX weather station. There is a 1-in-10 chance of a frost after March 27.
- When is the first frost in Diana, TX?
- The average first fall frost (32°F) is November 22. 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 75640?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 259 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.