Tynan, TX frost dates
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 Tynan compares
- In a typical year, frost nights in Tynan fall between December 23 and January 31. In 1 year in 10 the first frost comes as early as November 28, or the last frost as late as March 4.
- Compared with Corpus Christi, TX, 55 km away, the last frost here is 16 days later than there.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | December 22 |
| 50% (median) | January 31 |
| 10% (safe for tender plants) | March 4 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 28 |
| 50% (median) | December 23 |
| 90% (late) | January 28 |
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 Tynan, TX
Tynan, TX frost dates — last frost Jan 31, first frost Dec 23, 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 Tynan, 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 28 – Nov 25 |
| Kale | Dec 6 – Dec 20 | Jan 3 – Jan 17 | Jan 3 – Jan 17 | Oct 14 – Nov 4 |
| Broccoli | Dec 6 – Dec 20 | Jan 17 – Jan 31 | — | Sep 16 – Oct 7 |
| Cabbage | Dec 6 – Dec 20 | Jan 10 – Jan 24 | — | Sep 16 – Oct 7 |
| Cauliflower | Dec 6 – Dec 20 | Jan 17 – Jan 31 | — | Sep 16 – Oct 7 |
| 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 30 – Oct 21 |
| Spinach | — | — | Dec 20 – Jan 10 | Oct 28 – Nov 18 |
| Radishes | — | — | Dec 27 – Feb 7 | Nov 11 – Dec 2 |
| Cucumbers | Jan 3 – Jan 10 | Feb 14 – Feb 21 | Feb 7 – Feb 21 | Oct 7 – Oct 21 |
| Zucchini & Summer Squash | Jan 3 – Jan 10 | — | Feb 7 – Feb 21 | Oct 14 – Oct 28 |
| 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 30 – Oct 14 |
| Beets | — | — | Jan 10 – Feb 7 | Oct 14 – Oct 28 |
| Potatoes | — | — | Jan 10 – Jan 31 | — |
| Swiss Chard | — | — | Jan 17 – Feb 14 | Oct 14 – Oct 28 |
| Cilantro | — | — | Jan 17 – Feb 7 | Oct 28 – Nov 18 |
| Green Beans | — | — | Feb 7 – Feb 28 | Oct 7 – Oct 21 |
| Sweet Corn | — | — | Feb 7 – Feb 21 | — |
| Sweet Potatoes | — | Feb 14 – Mar 7 | — | — |
| Garlic | — | — | — | Dec 9 – Jan 13 |
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 Mathis 4 Ssw, TX weather station, 19 km away (elevation 138 ft (42 m)).
Frost dates near Tynan
- Skidmore Jan 31 · Dec 23
- Mathis Jan 31 · Dec 23
- Sandia Jan 31 · Dec 23
- Dinero Jan 31 · Dec 23
- Edroy Feb 1 · Dec 17
- Beeville Feb 17 · Dec 8
- Sinton Feb 1 · Dec 17
- Odem Feb 1 · Dec 17
- Orange Grove Jan 31 · Dec 23
- George West Feb 8 · Dec 6
Frequently asked questions
When is the last frost in Tynan, TX?
The median last spring frost in Tynan, TX is January 31. There is still about a 10% chance of frost after March 4, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Tynan, TX?
The median first fall frost is December 23, with about a 10% chance of frost before November 28.
How long is the growing season in Tynan, TX?
About 326 days between the median last spring frost and first fall frost.
What planting zone is Tynan, TX?
Tynan, TX is in USDA hardiness zone 9b.