Frost dates for 77458Midfield, TX
The average last spring frost in Midfield is February 15 and the average first fall frost is December 8, giving a typical growing season of about 301 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Feb 15
- Average first fall frost
- Dec 8
- Growing season
- 301 days
Safer after Mar 13 (1-in-10 risk)
Possible by Nov 13 (1-in-10 risk)
First frost typically in 42 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 5 · Mar 3 · Mar 27 | Nov 4 · Nov 27 · Dec 21 | 267 days | 100% |
| Frost / freeze (32°F) | Jan 9 · Feb 15 · Mar 13 | Nov 13 · Dec 8 · Jan 11 | 301 days | 98% |
| Hard freeze (28°F) | Dec 21 · Jan 27 · Mar 2 | Dec 1 · Dec 30 · Feb 1 | 337 days | 78% |
Planting calendar for Midfield
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 15 – Mar 23 |
| Tomatoes | Transplant outdoors | Mar 3 – Aug 18 |
| Peppers | Start seeds indoors | Jan 15 – Feb 15 |
| Peppers | Transplant outdoors | Mar 17 – Apr 17 |
| Eggplant | Start seeds indoors | Feb 1 – Mar 2 |
| Eggplant | Transplant outdoors | Mar 17 – Apr 17 |
| Cucumbers | Sow outdoors | Mar 17 – Aug 28 |
| Summer squash | Sow outdoors | Mar 3 – Apr 17 |
| Winter squash & pumpkins | Sow outdoors | Mar 17 – Apr 17 |
| Snap beans | Sow outdoors | Mar 3 – Sep 20 |
| Sweet corn | Sow outdoors | Mar 3 – Aug 18 |
| Watermelon & cantaloupe | Sow outdoors | Mar 17 – Apr 17 |
| Okra | Sow outdoors | Mar 10 – Apr 2 |
| Peas | Sow outdoors (spring) | Jan 15 – Mar 2 |
| Potatoes | Plant outdoors (spring) | Jan 15 – Mar 17 |
| Onions | Start seeds indoors (spring) | Dec 4 – Dec 31 |
| Onions | Transplant outdoors (spring) | Feb 1 – Mar 2 |
| Broccoli | Start seeds indoors (spring) | Dec 28 – Jan 31 |
| Broccoli | Transplant outdoors (spring) | Feb 1 – Mar 2 |
| Broccoli | Start seeds indoors (fall) | Aug 8 – Aug 18 |
| Broccoli | Transplant outdoors (fall) | Sep 7 – Sep 18 |
| Cabbage | Start seeds indoors (spring) | Dec 18 – Jan 15 |
| Cabbage | Transplant outdoors (spring) | Jan 15 – Feb 15 |
| Cabbage | Start seeds indoors (fall) | Jul 29 – Aug 28 |
| Cabbage | Transplant outdoors (fall) | Aug 28 – Sep 28 |
| Leaf lettuce | Sow outdoors (spring) | Jan 15 – Apr 2 |
| Leaf lettuce | Sow outdoors (fall) | Aug 28 – Oct 14 |
| Spinach | Sow outdoors (spring) | Jan 8 – Feb 21 |
| Spinach | Sow outdoors (fall) | Sep 14 – Oct 19 |
| Radishes | Sow outdoors (spring) | Jan 15 – Mar 7 |
| Radishes | Sow outdoors (fall) | Aug 28 – Oct 29 |
| Kale | Sow outdoors (spring) | Feb 1 – Feb 21 |
| Kale | Sow outdoors (fall) | Aug 21 – Sep 28 |
| Carrots | Sow outdoors (spring) | Feb 15 – Apr 2 |
| Carrots | Sow outdoors (fall) | Jul 29 – Sep 13 |
| Garlic | Plant outdoors (fall) | Nov 28 – Dec 29 |
Where these dates come from
ZIP code 77458 is matched to the NOAA station Danevang 1 W, TX, 13.4 km away, at 70 ft elevation (24 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Danevang 1 W, TX (used) | 70 ft | Feb 15 | Dec 8 |
| Palacios Muni Ap, TX | 12 ft | Feb 1 | Dec 17 |
| Bay City Wtr Wks, TX | 52 ft | Feb 20 | Dec 3 |
| El Campo, TX | 110 ft | Feb 23 | Dec 5 |
Frost dates near Midfield
- Blessing, TX 77419 · last Feb 1, first Dec 17
- Elmaton, TX 77440 · last Feb 20, first Dec 3
- Markham, TX 77456 · last Feb 20, first Dec 3
- Danevang, TX 77432 · last Feb 15, first Dec 8
- Francitas, TX 77961 · last Feb 1, first Dec 17
- Collegeport, TX 77428 · last Feb 1, first Dec 17
- Palacios, TX 77465 · last Feb 1, first Dec 17
- La Ward, TX 77970 · last Feb 1, first Dec 21
Frequently asked questions
- When is the last frost in Midfield, TX?
- For ZIP code 77458, the average last spring frost (32°F) is February 15, based on NOAA 1991-2020 climate normals for the Danevang 1 W, TX weather station. There is a 1-in-10 chance of a frost after March 13.
- When is the first frost in Midfield, TX?
- The average first fall frost (32°F) is December 8. There is a 1-in-10 chance of frost by November 13, so tender plants are at risk from that point on.
- How long is the growing season in 77458?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 301 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.