Frost dates for 77331Coldspring, TX
The average last spring frost in Coldspring is March 1 and the average first fall frost is November 24, giving a typical growing season of about 269 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 1
- Average first fall frost
- Nov 24
- Growing season
- 269 days
Safer after Mar 27 (1-in-10 risk)
Possible by Nov 3 (1-in-10 risk)
First frost typically in 28 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) | Feb 23 · Mar 17 · Apr 9 | Oct 30 · Nov 12 · Dec 1 | 241 days | 100% |
| Frost / freeze (32°F) | Feb 4 · Mar 1 · Mar 27 | Nov 3 · Nov 24 · Dec 23 | 269 days | 100% |
| Hard freeze (28°F) | Jan 13 · Feb 14 · Mar 12 | Nov 13 · Dec 12 · Jan 23 | 302 days | 98% |
Planting calendar for Coldspring
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 | Jan 29 – Apr 6 |
| Tomatoes | Transplant outdoors | Mar 17 – Aug 4 |
| Peppers | Start seeds indoors | Jan 29 – Mar 1 |
| Peppers | Transplant outdoors | Mar 31 – May 1 |
| Eggplant | Start seeds indoors | Feb 15 – Mar 16 |
| Eggplant | Transplant outdoors | Mar 31 – May 1 |
| Cucumbers | Sow outdoors | Mar 31 – Aug 14 |
| Summer squash | Sow outdoors | Mar 17 – May 1 |
| Winter squash & pumpkins | Sow outdoors | Mar 31 – May 1 |
| Snap beans | Sow outdoors | Mar 17 – Sep 6 |
| Sweet corn | Sow outdoors | Mar 17 – Aug 4 |
| Watermelon & cantaloupe | Sow outdoors | Mar 31 – May 1 |
| Okra | Sow outdoors | Mar 24 – Apr 16 |
| Peas | Sow outdoors (spring) | Jan 29 – Mar 16 |
| Potatoes | Plant outdoors (spring) | Jan 29 – Mar 31 |
| Onions | Start seeds indoors (spring) | Dec 18 – Jan 14 |
| Onions | Transplant outdoors (spring) | Feb 15 – Mar 16 |
| Broccoli | Start seeds indoors (spring) | Jan 11 – Feb 14 |
| Broccoli | Transplant outdoors (spring) | Feb 15 – Mar 16 |
| Broccoli | Start seeds indoors (fall) | Jul 25 – Aug 4 |
| Broccoli | Transplant outdoors (fall) | Aug 24 – Sep 4 |
| Cabbage | Start seeds indoors (spring) | Jan 1 – Jan 29 |
| Cabbage | Transplant outdoors (spring) | Jan 29 – Mar 1 |
| Cabbage | Start seeds indoors (fall) | Jul 15 – Aug 14 |
| Cabbage | Transplant outdoors (fall) | Aug 14 – Sep 14 |
| Leaf lettuce | Sow outdoors (spring) | Jan 29 – Apr 16 |
| Leaf lettuce | Sow outdoors (fall) | Aug 14 – Sep 30 |
| Spinach | Sow outdoors (spring) | Jan 22 – Mar 7 |
| Spinach | Sow outdoors (fall) | Aug 31 – Oct 5 |
| Radishes | Sow outdoors (spring) | Jan 29 – Mar 21 |
| Radishes | Sow outdoors (fall) | Aug 14 – Oct 15 |
| Kale | Sow outdoors (spring) | Feb 15 – Mar 7 |
| Kale | Sow outdoors (fall) | Aug 7 – Sep 14 |
| Carrots | Sow outdoors (spring) | Mar 1 – Apr 16 |
| Carrots | Sow outdoors (fall) | Jul 15 – Aug 30 |
| Garlic | Plant outdoors (fall) | Nov 14 – Dec 15 |
Where these dates come from
ZIP code 77331 is matched to the NOAA station Livingston 2 Nne, TX, 23.2 km away, at 178 ft elevation (29 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Livingston 2 Nne, TX (used) | 178 ft | Mar 1 | Nov 24 |
| Cleveland, TX | 196 ft | Mar 7 | Nov 20 |
| Conroe Montgomery Co Ap, TX | 245 ft | Mar 11 | Nov 19 |
| Huntsville, TX | 494 ft | Mar 1 | Nov 28 |
Frost dates near Coldspring
- Goodrich, TX 77335 · last Mar 1, first Nov 24
- Shepherd, TX 77371 · last Mar 7, first Nov 20
- Pointblank, TX 77364 · last Mar 1, first Nov 24
- Livingston, TX 77351 · last Mar 1, first Nov 24
- Oakhurst, TX 77359 · last Mar 2, first Nov 26
- Cleveland, TX 77328 · last Mar 7, first Nov 20
- Onalaska, TX 77360 · last Mar 1, first Nov 24
- Ace, TX 77326 · last Mar 1, first Nov 24
Frequently asked questions
- When is the last frost in Coldspring, TX?
- For ZIP code 77331, the average last spring frost (32°F) is March 1, based on NOAA 1991-2020 climate normals for the Livingston 2 Nne, TX weather station. There is a 1-in-10 chance of a frost after March 27.
- When is the first frost in Coldspring, TX?
- The average first fall frost (32°F) is November 24. There is a 1-in-10 chance of frost by November 3, so tender plants are at risk from that point on.
- How long is the growing season in 77331?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 269 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.