Jarrell, TX frost dates
How Jarrell compares
- In 8 years out of 10, the last spring frost in Jarrell falls between February 13 and March 30, a 45-day window. The first fall frost falls between November 5 and December 10.
- The median last frost is 9 days earlier than the Texas median of Mar 15.
- Its 263-day growing season is longer than 76% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 10 days earlier than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 28 nights a year at or below 32°F.
- Jarrell shares its weather station with Georgetown, TX, 21 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 13 |
| 50% (median) | March 6 |
| 10% (safe for tender plants) | March 30 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 5 |
| 50% (median) | November 24 |
| 90% (late) | December 10 |
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 Jarrell, TX
Jarrell, TX frost dates — last frost Mar 6, first frost Nov 24, zone 8b. whenisthelastfrost.com
When to plant vegetables in Jarrell, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 12 – Dec 26 | Feb 6 – Feb 20 | — | — |
| Peppers | Dec 26 – Jan 9 | Mar 20 – Apr 3 | — | — |
| Eggplant | Dec 26 – Jan 9 | Mar 20 – Apr 3 | — | — |
| Tomatoes | Jan 9 – Jan 23 | Mar 13 – Mar 27 | — | — |
| Lettuce | Jan 9 – Jan 23 | Feb 13 – Feb 27 | Feb 6 – Mar 13 | Sep 29 – Oct 27 |
| Kale | Jan 9 – Jan 23 | Feb 6 – Feb 20 | Feb 6 – Feb 20 | Sep 15 – Oct 6 |
| Broccoli | Jan 9 – Jan 23 | Feb 20 – Mar 6 | — | Aug 18 – Sep 8 |
| Cabbage | Jan 9 – Jan 23 | Feb 13 – Feb 27 | — | Aug 18 – Sep 8 |
| Cauliflower | Jan 9 – Jan 23 | Feb 20 – Mar 6 | — | Aug 18 – Sep 8 |
| Okra | Jan 23 – Feb 6 | Mar 27 – Apr 10 | Mar 27 – Apr 10 | — |
| Basil | Jan 23 – Feb 6 | Mar 13 – Mar 27 | — | — |
| Peas | — | — | Jan 23 – Feb 13 | Sep 1 – Sep 22 |
| Spinach | — | — | Jan 23 – Feb 13 | Sep 29 – Oct 20 |
| Radishes | — | — | Jan 30 – Mar 13 | Oct 13 – Nov 3 |
| Cucumbers | Feb 6 – Feb 13 | Mar 20 – Mar 27 | Mar 13 – Mar 27 | Sep 8 – Sep 22 |
| Zucchini & Summer Squash | Feb 6 – Feb 13 | — | Mar 13 – Mar 27 | Sep 15 – Sep 29 |
| Winter Squash & Pumpkins | Feb 6 – Feb 13 | — | Mar 13 – Mar 27 | — |
| Melons & Watermelon | Feb 6 – Feb 13 | Mar 20 – Apr 3 | — | — |
| Carrots | — | — | Feb 13 – Mar 13 | Sep 1 – Sep 15 |
| Beets | — | — | Feb 13 – Mar 13 | Sep 15 – Sep 29 |
| Potatoes | — | — | Feb 13 – Mar 6 | — |
| Swiss Chard | — | — | Feb 20 – Mar 20 | Sep 15 – Sep 29 |
| Cilantro | — | — | Feb 20 – Mar 13 | Sep 29 – Oct 20 |
| Green Beans | — | — | Mar 13 – Apr 3 | Sep 8 – Sep 22 |
| Sweet Corn | — | — | Mar 13 – Mar 27 | — |
| Sweet Potatoes | — | Mar 20 – Apr 10 | — | — |
| Garlic | — | — | — | Nov 10 – Dec 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 Georgetown Lake, TX weather station, 19 km away (elevation 873 ft (266 m)).
Frost dates near Jarrell
- Schwertner Mar 5 · Nov 22
- Walburg Mar 6 · Nov 24
- Weir Mar 6 · Nov 24
- Bartlett Mar 5 · Nov 22
- Salado Mar 14 · Nov 20
- Granger Mar 5 · Nov 22
- Florence Mar 6 · Nov 24
- Georgetown Mar 6 · Nov 24
- Holland Mar 5 · Nov 22
- Harker Heights Mar 14 · Nov 20
Frequently asked questions
When is the last frost in Jarrell, TX?
The median last spring frost in Jarrell, TX is March 6. There is still about a 10% chance of frost after March 30, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Jarrell, TX?
The median first fall frost is November 24, with about a 10% chance of frost before November 5.
How long is the growing season in Jarrell, TX?
About 263 days between the median last spring frost and first fall frost.
What planting zone is Jarrell, TX?
Jarrell, TX is in USDA hardiness zone 8b.