Frost dates for 77508 — Pasadena, 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 Pasadena compares
- In a typical year, frost nights in Pasadena 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.
- Compared with Houston, TX, 39 km away, the last frost here is 2 days earlier than there.
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 Pasadena, TX
Frost dates for 77508 — Pasadena, 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 Pasadena, 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, 11 km away (elevation 20 ft (6 m)).
ZIP codes in Pasadena: 77501 77502 77503 77504 77505 77506 77507 77508
Frost dates near Pasadena
- Webster Jan 31 · Dec 27
- League City Jan 31 · Dec 14
- Seabrook Jan 31 · Dec 14
- Kemah Jan 31 · Dec 14
- Friendswood Jan 31 · Dec 27
- Deer Park Jan 30 · Dec 28
- Bacliff Jan 31 · Dec 14
- La Porte Jan 31 · Dec 14
Frequently asked questions
When is the last frost in Pasadena, TX?
The median last spring frost in Pasadena, 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 Pasadena, 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 Pasadena, TX?
About 317 days between the median last spring frost and first fall frost.
What planting zone is Pasadena, TX?
Pasadena, TX is in USDA hardiness zone 9b.