Frost dates for 77572 — La Porte, TX
Frost is light and occasional here — typically a few cold nights around midwinter (about 9 a year). Cover tender plants when frost is forecast.
How La Porte compares
- In a typical year, frost nights in La Porte fall between December 14 and January 31. In 1 year in 10 the first frost comes as early as November 19, or the last frost as late as March 5.
- Nearby Baytown, TX, 12 km away, has a regular frost season (last frost Feb 20), a reminder of how much elevation and distance from the coast matter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | December 25 |
| 50% (median) | January 31 |
| 10% (safe for tender plants) | March 5 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 19 |
| 50% (median) | December 14 |
| 90% (late) | January 19 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for La Porte, TX
Frost dates for 77572 — La Porte, TX — last frost Jan 31, first frost Dec 14, zone 9b. whenisthelastfrost.com
In mild climates, summer heat limits many crops as much as frost does. Use this calendar for spring planting and lean on fall and winter for cool-season crops.
When to plant vegetables in La Porte, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 8 – Nov 22 | Jan 3 – Jan 17 | — | — |
| Peppers | Nov 22 – Dec 6 | Feb 14 – Feb 28 | — | — |
| Eggplant | Nov 22 – Dec 6 | Feb 14 – Feb 28 | — | — |
| Tomatoes | Dec 6 – Dec 20 | Feb 7 – Feb 21 | — | — |
| Lettuce | Dec 6 – Dec 20 | Jan 10 – Jan 24 | Jan 3 – Feb 7 | Oct 19 – Nov 16 |
| Kale | Dec 6 – Dec 20 | Jan 3 – Jan 17 | Jan 3 – Jan 17 | Oct 5 – Oct 26 |
| Broccoli | Dec 6 – Dec 20 | Jan 17 – Jan 31 | — | Sep 7 – Sep 28 |
| Cabbage | Dec 6 – Dec 20 | Jan 10 – Jan 24 | — | Sep 7 – Sep 28 |
| Cauliflower | Dec 6 – Dec 20 | Jan 17 – Jan 31 | — | Sep 7 – Sep 28 |
| Okra | Dec 20 – Jan 3 | Feb 21 – Mar 7 | Feb 21 – Mar 7 | — |
| Basil | Dec 20 – Jan 3 | Feb 7 – Feb 21 | — | — |
| Peas | — | — | Dec 20 – Jan 10 | Sep 21 – Oct 12 |
| Spinach | — | — | Dec 20 – Jan 10 | Oct 19 – Nov 9 |
| Radishes | — | — | Dec 27 – Feb 7 | Nov 2 – Nov 23 |
| Cucumbers | Jan 3 – Jan 10 | Feb 14 – Feb 21 | Feb 7 – Feb 21 | Sep 28 – Oct 12 |
| Zucchini & Summer Squash | Jan 3 – Jan 10 | — | Feb 7 – Feb 21 | Oct 5 – Oct 19 |
| Winter Squash & Pumpkins | Jan 3 – Jan 10 | — | Feb 7 – Feb 21 | — |
| Melons & Watermelon | Jan 3 – Jan 10 | Feb 14 – Feb 28 | — | — |
| Carrots | — | — | Jan 10 – Feb 7 | Sep 21 – Oct 5 |
| Beets | — | — | Jan 10 – Feb 7 | Oct 5 – Oct 19 |
| Potatoes | — | — | Jan 10 – Jan 31 | — |
| Swiss Chard | — | — | Jan 17 – Feb 14 | Oct 5 – Oct 19 |
| Cilantro | — | — | Jan 17 – Feb 7 | Oct 19 – Nov 9 |
| Green Beans | — | — | Feb 7 – Feb 28 | Sep 28 – Oct 12 |
| Sweet Corn | — | — | Feb 7 – Feb 21 | — |
| Sweet Potatoes | — | Feb 14 – Mar 7 | — | — |
| Garlic | — | — | — | Nov 30 – Jan 4 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Houston Nwso, TX weather station, 22 km away (elevation 20 ft (6 m)).
ZIP codes in La Porte: 77571 77572
Frost dates near La Porte
- Seabrook Jan 31 · Dec 14
- Deer Park Jan 30 · Dec 28
- Baytown Feb 20 · Dec 4
- Pasadena Jan 30 · Dec 28
- Kemah Jan 31 · Dec 14
- Webster Jan 31 · Dec 27
- Channelview Feb 2 · Dec 25
- League City Jan 31 · Dec 14
Frequently asked questions
When is the last frost in La Porte, TX?
The median last spring frost in La Porte, TX is January 31. There is still about a 10% chance of frost after March 5, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in La Porte, TX?
The median first fall frost is December 14, with about a 10% chance of frost before November 19.
How long is the growing season in La Porte, TX?
About 317 days between the median last spring frost and first fall frost.
What planting zone is La Porte, TX?
La Porte, TX is in USDA hardiness zone 9b.