Merkel, TX frost dates
How Merkel compares
- In 8 years out of 10, the last spring frost in Merkel falls between March 15 and April 20, a 36-day window. The first fall frost falls between October 21 and November 18.
- The median last frost is 18 days later than the Texas median of Mar 15.
- Its 215-day growing season is longer than 11% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 4 days later than the zone 8a median of Mar 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8a chart.
- The weather station records an average of 68 nights a year at or below 32°F.
- Compared with Abilene, TX, 24 km away, the last frost here is 13 days later than there and the growing season is 20 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 15 |
| 50% (median) | April 2 |
| 10% (safe for tender plants) | April 20 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 21 |
| 50% (median) | November 3 |
| 90% (late) | November 18 |
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 Merkel, TX
Merkel, TX frost dates — last frost Apr 2, first frost Nov 3, zone 8a. whenisthelastfrost.com
When to plant vegetables in Merkel, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 8 – Jan 22 | Mar 5 – Mar 19 | — | — |
| Peppers | Jan 22 – Feb 5 | Apr 16 – Apr 30 | — | — |
| Eggplant | Jan 22 – Feb 5 | Apr 16 – Apr 30 | — | — |
| Tomatoes | Feb 5 – Feb 19 | Apr 9 – Apr 23 | — | — |
| Lettuce | Feb 5 – Feb 19 | Mar 12 – Mar 26 | Mar 5 – Apr 9 | Sep 8 – Oct 6 |
| Kale | Feb 5 – Feb 19 | Mar 5 – Mar 19 | Mar 5 – Mar 19 | Aug 25 – Sep 15 |
| Broccoli | Feb 5 – Feb 19 | Mar 19 – Apr 2 | — | Jul 28 – Aug 18 |
| Cabbage | Feb 5 – Feb 19 | Mar 12 – Mar 26 | — | Jul 28 – Aug 18 |
| Cauliflower | Feb 5 – Feb 19 | Mar 19 – Apr 2 | — | Jul 28 – Aug 18 |
| Okra | Feb 19 – Mar 5 | Apr 23 – May 7 | Apr 23 – May 7 | — |
| Basil | Feb 19 – Mar 5 | Apr 9 – Apr 23 | — | — |
| Peas | — | — | Feb 19 – Mar 12 | Aug 11 – Sep 1 |
| Spinach | — | — | Feb 19 – Mar 12 | Sep 8 – Sep 29 |
| Radishes | — | — | Feb 26 – Apr 9 | Sep 22 – Oct 13 |
| Cucumbers | Mar 5 – Mar 12 | Apr 16 – Apr 23 | Apr 9 – Apr 23 | Aug 18 – Sep 1 |
| Zucchini & Summer Squash | Mar 5 – Mar 12 | — | Apr 9 – Apr 23 | Aug 25 – Sep 8 |
| Winter Squash & Pumpkins | Mar 5 – Mar 12 | — | Apr 9 – Apr 23 | — |
| Melons & Watermelon | Mar 5 – Mar 12 | Apr 16 – Apr 30 | — | — |
| Carrots | — | — | Mar 12 – Apr 9 | Aug 11 – Aug 25 |
| Beets | — | — | Mar 12 – Apr 9 | Aug 25 – Sep 8 |
| Potatoes | — | — | Mar 12 – Apr 2 | — |
| Swiss Chard | — | — | Mar 19 – Apr 16 | Aug 25 – Sep 8 |
| Cilantro | — | — | Mar 19 – Apr 9 | Sep 8 – Sep 29 |
| Green Beans | — | — | Apr 9 – Apr 30 | Aug 18 – Sep 1 |
| Sweet Corn | — | — | Apr 9 – Apr 23 | — |
| Sweet Potatoes | — | Apr 16 – May 7 | — | — |
| Garlic | — | — | — | Oct 20 – Nov 24 |
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 Merkel 12 Sw, TX weather station, 18 km away (elevation 2,251 ft (686 m)).
Frost dates near Merkel
- Tye Mar 20 · Nov 10
- Trent Apr 2 · Nov 3
- Dyess Afb Mar 20 · Nov 10
- Hawley Mar 31 · Nov 6
- Abilene Mar 20 · Nov 10
- Buffalo Gap Mar 20 · Nov 10
- Nolan Apr 2 · Nov 3
- Tuscola Mar 20 · Nov 10
- Anson Mar 31 · Nov 6
- Ovalo Apr 3 · Nov 4
Frequently asked questions
When is the last frost in Merkel, TX?
The median last spring frost in Merkel, TX is April 2. There is still about a 10% chance of frost after April 20, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Merkel, TX?
The median first fall frost is November 3, with about a 10% chance of frost before October 21.
How long is the growing season in Merkel, TX?
About 215 days between the median last spring frost and first fall frost.
What planting zone is Merkel, TX?
Merkel, TX is in USDA hardiness zone 8a.