Frost dates for 75670Marshall, TX
The average last spring frost in Marshall is March 20 and the average first fall frost is November 11, giving a typical growing season of about 233 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 20
- Average first fall frost
- Nov 11
- Growing season
- 233 days
Safer after Apr 7 (1-in-10 risk)
Possible by Oct 27 (1-in-10 risk)
First frost typically in 15 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 15 · Apr 4 · Apr 22 | Oct 19 · Nov 1 · Nov 16 | 211 days | 100% |
| Frost / freeze (32°F) | Feb 28 · Mar 20 · Apr 7 | Oct 27 · Nov 11 · Nov 30 | 233 days | 100% |
| Hard freeze (28°F) | Feb 12 · Mar 5 · Mar 24 | Nov 4 · Nov 24 · Dec 12 | 260 days | 100% |
Planting calendar for Marshall
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 17 – Apr 25 |
| Tomatoes | Transplant outdoors | Apr 5 – Jul 22 |
| Peppers | Start seeds indoors | Feb 17 – Mar 20 |
| Peppers | Transplant outdoors | Apr 19 – May 20 |
| Eggplant | Start seeds indoors | Mar 6 – Apr 4 |
| Eggplant | Transplant outdoors | Apr 19 – May 20 |
| Cucumbers | Sow outdoors | Apr 19 – Aug 1 |
| Summer squash | Sow outdoors | Apr 5 – May 20 |
| Winter squash & pumpkins | Sow outdoors | Apr 19 – May 20 |
| Snap beans | Sow outdoors | Apr 5 – Aug 24 |
| Sweet corn | Sow outdoors | Apr 5 – Jul 22 |
| Watermelon & cantaloupe | Sow outdoors | Apr 19 – May 20 |
| Okra | Sow outdoors | Apr 12 – May 5 |
| Peas | Sow outdoors (spring) | Feb 17 – Apr 4 |
| Potatoes | Plant outdoors (spring) | Feb 17 – Apr 19 |
| Onions | Start seeds indoors (spring) | Jan 6 – Feb 2 |
| Onions | Transplant outdoors (spring) | Mar 6 – Apr 4 |
| Broccoli | Start seeds indoors (spring) | Jan 30 – Mar 5 |
| Broccoli | Transplant outdoors (spring) | Mar 6 – Apr 4 |
| Broccoli | Start seeds indoors (fall) | Jul 12 – Jul 22 |
| Broccoli | Transplant outdoors (fall) | Aug 11 – Aug 22 |
| Cabbage | Start seeds indoors (spring) | Jan 20 – Feb 17 |
| Cabbage | Transplant outdoors (spring) | Feb 17 – Mar 20 |
| Cabbage | Start seeds indoors (fall) | Jul 2 – Aug 1 |
| Cabbage | Transplant outdoors (fall) | Aug 1 – Sep 1 |
| Leaf lettuce | Sow outdoors (spring) | Feb 17 – May 5 |
| Leaf lettuce | Sow outdoors (fall) | Aug 1 – Sep 17 |
| Spinach | Sow outdoors (spring) | Feb 10 – Mar 26 |
| Spinach | Sow outdoors (fall) | Aug 18 – Sep 22 |
| Radishes | Sow outdoors (spring) | Feb 17 – Apr 9 |
| Radishes | Sow outdoors (fall) | Aug 1 – Oct 2 |
| Kale | Sow outdoors (spring) | Mar 6 – Mar 26 |
| Kale | Sow outdoors (fall) | Jul 25 – Sep 1 |
| Carrots | Sow outdoors (spring) | Mar 20 – May 5 |
| Carrots | Sow outdoors (fall) | Jul 2 – Aug 17 |
| Garlic | Plant outdoors (fall) | Nov 1 – Dec 2 |
Where these dates come from
ZIP code 75670 is matched to the NOAA station Marshall, TX, 5.8 km away, at 302 ft elevation (85 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Marshall, TX (used) | 302 ft | Mar 20 | Nov 11 |
| Hallsville 4 S, TX | 322 ft | Mar 15 | Nov 15 |
| Jefferson, TX | 211 ft | Mar 18 | Nov 8 |
| Longview #2, TX | 504 ft | Mar 7 | Nov 23 |
Frost dates near Marshall
- Marshall, TX 75671 · last Mar 20, first Nov 11
- Scottsville, TX 75688 · last Mar 20, first Nov 11
- Woodlawn, TX 75694 · last Mar 18, first Nov 8
- Hallsville, TX 75650 · last Mar 15, first Nov 15
- Harleton, TX 75651 · last Mar 18, first Nov 8
- Karnack, TX 75661 · last Mar 20, first Nov 11
- Waskom, TX 75692 · last Mar 20, first Nov 11
- Jonesville, TX 75659 · last Mar 20, first Nov 11
Frequently asked questions
- When is the last frost in Marshall, TX?
- For ZIP code 75670, the average last spring frost (32°F) is March 20, based on NOAA 1991-2020 climate normals for the Marshall, TX weather station. There is a 1-in-10 chance of a frost after April 7.
- When is the first frost in Marshall, TX?
- The average first fall frost (32°F) is November 11. There is a 1-in-10 chance of frost by October 27, so tender plants are at risk from that point on.
- How long is the growing season in 75670?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 233 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.