Frost dates for 77501 — Pasadena, TX
Frost is light and occasional here — typically a few cold nights around midwinter (about 5 a year). Cover tender plants when frost is forecast.
How Pasadena compares
- In a typical year, frost nights in Pasadena fall between December 25 and February 2. In 1 year in 10 the first frost comes as early as November 27, or the last frost as late as March 5.
- Pasadena shares its weather station with Houston, TX, 24 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | December 31 |
| 50% (median) | February 2 |
| 10% (safe for tender plants) | March 5 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 27 |
| 50% (median) | December 25 |
| 90% (late) | January 21 |
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 77501 — Pasadena, TX — last frost Feb 2, first frost Dec 25, 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 10 – Nov 24 | Jan 5 – Jan 19 | — | — |
| Peppers | Nov 24 – Dec 8 | Feb 16 – Mar 2 | — | — |
| Eggplant | Nov 24 – Dec 8 | Feb 16 – Mar 2 | — | — |
| Tomatoes | Dec 8 – Dec 22 | Feb 9 – Feb 23 | — | — |
| Lettuce | Dec 8 – Dec 22 | Jan 12 – Jan 26 | Jan 5 – Feb 9 | Oct 30 – Nov 27 |
| Kale | Dec 8 – Dec 22 | Jan 5 – Jan 19 | Jan 5 – Jan 19 | Oct 16 – Nov 6 |
| Broccoli | Dec 8 – Dec 22 | Jan 19 – Feb 2 | — | Sep 18 – Oct 9 |
| Cabbage | Dec 8 – Dec 22 | Jan 12 – Jan 26 | — | Sep 18 – Oct 9 |
| Cauliflower | Dec 8 – Dec 22 | Jan 19 – Feb 2 | — | Sep 18 – Oct 9 |
| Okra | Dec 22 – Jan 5 | Feb 23 – Mar 9 | Feb 23 – Mar 9 | — |
| Basil | Dec 22 – Jan 5 | Feb 9 – Feb 23 | — | — |
| Peas | — | — | Dec 22 – Jan 12 | Oct 2 – Oct 23 |
| Spinach | — | — | Dec 22 – Jan 12 | Oct 30 – Nov 20 |
| Radishes | — | — | Dec 29 – Feb 9 | Nov 13 – Dec 4 |
| Cucumbers | Jan 5 – Jan 12 | Feb 16 – Feb 23 | Feb 9 – Feb 23 | Oct 9 – Oct 23 |
| Zucchini & Summer Squash | Jan 5 – Jan 12 | — | Feb 9 – Feb 23 | Oct 16 – Oct 30 |
| Winter Squash & Pumpkins | Jan 5 – Jan 12 | — | Feb 9 – Feb 23 | — |
| Melons & Watermelon | Jan 5 – Jan 12 | Feb 16 – Mar 2 | — | — |
| Carrots | — | — | Jan 12 – Feb 9 | Oct 2 – Oct 16 |
| Beets | — | — | Jan 12 – Feb 9 | Oct 16 – Oct 30 |
| Potatoes | — | — | Jan 12 – Feb 2 | — |
| Swiss Chard | — | — | Jan 19 – Feb 16 | Oct 16 – Oct 30 |
| Cilantro | — | — | Jan 19 – Feb 9 | Oct 30 – Nov 20 |
| Green Beans | — | — | Feb 9 – Mar 2 | Oct 9 – Oct 23 |
| Sweet Corn | — | — | Feb 9 – Feb 23 | — |
| Sweet Potatoes | — | Feb 16 – Mar 9 | — | — |
| Garlic | — | — | — | Dec 11 – Jan 15 |
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-Port, TX weather station, 9 km away (elevation 20 ft (6 m)).
ZIP codes in Pasadena: 77501 77502 77503 77504 77505 77506 77507 77508
Frost dates near Pasadena
- South Houston Jan 30 · Dec 28
- Galena Park Feb 2 · Dec 25
- Deer Park Jan 30 · Dec 28
- Channelview Feb 2 · Dec 25
- Webster Jan 31 · Dec 27
- La Porte Jan 31 · Dec 14
- Pearland Jan 31 · Dec 27
- Friendswood Jan 31 · Dec 27
Frequently asked questions
When is the last frost in Pasadena, TX?
The median last spring frost in Pasadena, TX is February 2. 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 25, with about a 10% chance of frost before November 27.
How long is the growing season in Pasadena, TX?
About 326 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.