Port Bolivar, TX frost dates
Last spring frostJan 25median date
First fall frostJan 1median date
Growing season341 daysfrost-free
Hardiness zone10aZone 10a
Frost is light and occasional here — typically a few cold nights around midwinter (about 3 a year). Cover tender plants when frost is forecast.
How Port Bolivar compares
- In a typical year, frost nights in Port Bolivar fall between January 1 and January 25. In 1 year in 10 the first frost comes as early as December 9, or the last frost as late as February 21.
- Compared with Galveston, TX, 23 km away, the last frost here is 7 days later than there.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | December 23 |
| 50% (median) | January 25 |
| 10% (safe for tender plants) | February 21 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | December 9 |
| 50% (median) | January 1 |
| 90% (late) | February 1 |
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 Port Bolivar, TX
Port Bolivar, TX frost dates — last frost Jan 25, first frost Jan 1, zone 10a. 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.
Crop
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Start indoors: Nov 2 to Nov 16Transplant outside: Dec 28 to Jan 11Transplant outside: Dec 28 to Jan 11
Start indoors: Nov 16 to Nov 30Transplant outside: Feb 8 to Feb 22
Start indoors: Nov 16 to Nov 30Transplant outside: Feb 8 to Feb 22
Start indoors: Nov 30 to Dec 14Transplant outside: Feb 1 to Feb 15
Start indoors: Nov 30 to Dec 14Transplant outside: Jan 4 to Jan 18Sow outdoors: Dec 28 to Feb 1Sow outdoors: Dec 28 to Feb 1Plant for fall: Nov 6 to Dec 4
Start indoors: Nov 30 to Dec 14Transplant outside: Dec 28 to Jan 11Transplant outside: Dec 28 to Jan 11Sow outdoors: Dec 28 to Jan 11Sow outdoors: Dec 28 to Jan 11Plant for fall: Oct 23 to Nov 13
Start indoors: Nov 30 to Dec 14Transplant outside: Jan 11 to Jan 25Plant for fall: Sep 25 to Oct 16
Start indoors: Nov 30 to Dec 14Transplant outside: Jan 4 to Jan 18Plant for fall: Sep 25 to Oct 16
Start indoors: Nov 30 to Dec 14Transplant outside: Jan 11 to Jan 25Plant for fall: Sep 25 to Oct 16
Start indoors: Dec 14 to Dec 28Transplant outside: Feb 15 to Mar 1Sow outdoors: Feb 15 to Mar 1
Start indoors: Dec 14 to Dec 28Transplant outside: Feb 1 to Feb 15
Sow outdoors: Dec 14 to Jan 4Sow outdoors: Dec 14 to Jan 4Plant for fall: Oct 9 to Oct 30
Sow outdoors: Dec 14 to Jan 4Sow outdoors: Dec 14 to Jan 4Plant for fall: Nov 6 to Nov 27
Sow outdoors: Dec 21 to Feb 1Sow outdoors: Dec 21 to Feb 1Plant for fall: Nov 20 to Dec 11
Start indoors: Dec 28 to Jan 4Start indoors: Dec 28 to Jan 4Transplant outside: Feb 8 to Feb 15Sow outdoors: Feb 1 to Feb 15Plant for fall: Oct 16 to Oct 30
Start indoors: Dec 28 to Jan 4Start indoors: Dec 28 to Jan 4Sow outdoors: Feb 1 to Feb 15Plant for fall: Oct 23 to Nov 6
Start indoors: Dec 28 to Jan 4Start indoors: Dec 28 to Jan 4Sow outdoors: Feb 1 to Feb 15
Start indoors: Dec 28 to Jan 4Start indoors: Dec 28 to Jan 4Transplant outside: Feb 8 to Feb 22
Sow outdoors: Jan 4 to Feb 1Plant for fall: Oct 9 to Oct 23
Sow outdoors: Jan 4 to Feb 1Plant for fall: Oct 23 to Nov 6
Sow outdoors: Jan 4 to Jan 25
Sow outdoors: Jan 11 to Feb 8Plant for fall: Oct 23 to Nov 6
Sow outdoors: Jan 11 to Feb 1Plant for fall: Nov 6 to Nov 27
Sow outdoors: Feb 1 to Feb 22Plant for fall: Oct 16 to Oct 30
Sow outdoors: Feb 1 to Feb 15
Transplant outside: Feb 8 to Mar 1
Plant for fall: Dec 18 to Jan 22Plant for fall: Dec 18 to Jan 22
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Port Bolivar, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 2 – Nov 16 | Dec 28 – Jan 11 | — | — |
| Peppers | Nov 16 – Nov 30 | Feb 8 – Feb 22 | — | — |
| Eggplant | Nov 16 – Nov 30 | Feb 8 – Feb 22 | — | — |
| Tomatoes | Nov 30 – Dec 14 | Feb 1 – Feb 15 | — | — |
| Lettuce | Nov 30 – Dec 14 | Jan 4 – Jan 18 | Dec 28 – Feb 1 | Nov 6 – Dec 4 |
| Kale | Nov 30 – Dec 14 | Dec 28 – Jan 11 | Dec 28 – Jan 11 | Oct 23 – Nov 13 |
| Broccoli | Nov 30 – Dec 14 | Jan 11 – Jan 25 | — | Sep 25 – Oct 16 |
| Cabbage | Nov 30 – Dec 14 | Jan 4 – Jan 18 | — | Sep 25 – Oct 16 |
| Cauliflower | Nov 30 – Dec 14 | Jan 11 – Jan 25 | — | Sep 25 – Oct 16 |
| Okra | Dec 14 – Dec 28 | Feb 15 – Mar 1 | Feb 15 – Mar 1 | — |
| Basil | Dec 14 – Dec 28 | Feb 1 – Feb 15 | — | — |
| Peas | — | — | Dec 14 – Jan 4 | Oct 9 – Oct 30 |
| Spinach | — | — | Dec 14 – Jan 4 | Nov 6 – Nov 27 |
| Radishes | — | — | Dec 21 – Feb 1 | Nov 20 – Dec 11 |
| Cucumbers | Dec 28 – Jan 4 | Feb 8 – Feb 15 | Feb 1 – Feb 15 | Oct 16 – Oct 30 |
| Zucchini & Summer Squash | Dec 28 – Jan 4 | — | Feb 1 – Feb 15 | Oct 23 – Nov 6 |
| Winter Squash & Pumpkins | Dec 28 – Jan 4 | — | Feb 1 – Feb 15 | — |
| Melons & Watermelon | Dec 28 – Jan 4 | Feb 8 – Feb 22 | — | — |
| Carrots | — | — | Jan 4 – Feb 1 | Oct 9 – Oct 23 |
| Beets | — | — | Jan 4 – Feb 1 | Oct 23 – Nov 6 |
| Potatoes | — | — | Jan 4 – Jan 25 | — |
| Swiss Chard | — | — | Jan 11 – Feb 8 | Oct 23 – Nov 6 |
| Cilantro | — | — | Jan 11 – Feb 1 | Nov 6 – Nov 27 |
| Green Beans | — | — | Feb 1 – Feb 22 | Oct 16 – Oct 30 |
| Sweet Corn | — | — | Feb 1 – Feb 15 | — |
| Sweet Potatoes | — | Feb 8 – Mar 1 | — | — |
| Garlic | — | — | — | Dec 18 – Jan 22 |
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 Galveston, TX weather station, 18 km away (elevation 7 ft (2 m)).
Frost dates near Port Bolivar
- Texas City Jan 18 · Jan 7
- Gilchrist Feb 12 · Dec 6
- Galveston Jan 18 · Jan 7
- Anahuac Feb 12 · Dec 6
- High Island Feb 12 · Dec 6
- La Marque Jan 18 · Jan 7
- Bacliff Jan 31 · Dec 14
- Hitchcock Jan 18 · Jan 7
- Dickinson Jan 31 · Dec 14
- Kemah Jan 31 · Dec 14
Frequently asked questions
When is the last frost in Port Bolivar, TX?
The median last spring frost in Port Bolivar, TX is January 25. There is still about a 10% chance of frost after February 21, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Port Bolivar, TX?
The median first fall frost is January 1, with about a 10% chance of frost before December 9.
How long is the growing season in Port Bolivar, TX?
About 341 days between the median last spring frost and first fall frost.
What planting zone is Port Bolivar, TX?
Port Bolivar, TX is in USDA hardiness zone 10a.