Harleton, TX frost dates
Last spring frostMar 18median date
First fall frostNov 8median date
Growing season235 daysfrost-free
Hardiness zone8bZone 8b
How Harleton compares
- In 8 years out of 10, the last spring frost in Harleton falls between February 28 and April 7, a 38-day window. The first fall frost falls between October 26 and November 30.
- The median last frost is 3 days later than the Texas median of Mar 15.
- Its 235-day growing season is longer than 31% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is typical for zone 8b, where the median is Mar 16.
- The weather station records an average of 55 nights a year at or below 32°F.
- Compared with Longview, TX, 33 km away, the last frost here is 11 days later than there and the growing season is 26 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 28 |
| 50% (median) | March 18 |
| 10% (safe for tender plants) | April 7 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 26 |
| 50% (median) | November 8 |
| 90% (late) | November 30 |
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 Harleton, TX
Harleton, TX frost dates — last frost Mar 18, first frost Nov 8, zone 8b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 24 to Jan 7Start indoors: Dec 24 to Jan 7Transplant outside: Feb 18 to Mar 4
Start indoors: Jan 7 to Jan 21Transplant outside: Apr 1 to Apr 15
Start indoors: Jan 7 to Jan 21Transplant outside: Apr 1 to Apr 15
Start indoors: Jan 21 to Feb 4Transplant outside: Mar 25 to Apr 8
Start indoors: Jan 21 to Feb 4Transplant outside: Feb 25 to Mar 11Sow outdoors: Feb 18 to Mar 25Plant for fall: Sep 13 to Oct 11
Start indoors: Jan 21 to Feb 4Transplant outside: Feb 18 to Mar 4Sow outdoors: Feb 18 to Mar 4Plant for fall: Aug 30 to Sep 20
Start indoors: Jan 21 to Feb 4Transplant outside: Mar 4 to Mar 18Plant for fall: Aug 2 to Aug 23
Start indoors: Jan 21 to Feb 4Transplant outside: Feb 25 to Mar 11Plant for fall: Aug 2 to Aug 23
Start indoors: Jan 21 to Feb 4Transplant outside: Mar 4 to Mar 18Plant for fall: Aug 2 to Aug 23
Start indoors: Feb 4 to Feb 18Transplant outside: Apr 8 to Apr 22Sow outdoors: Apr 8 to Apr 22
Start indoors: Feb 4 to Feb 18Transplant outside: Mar 25 to Apr 8
Sow outdoors: Feb 4 to Feb 25Plant for fall: Aug 16 to Sep 6
Sow outdoors: Feb 4 to Feb 25Plant for fall: Sep 13 to Oct 4
Sow outdoors: Feb 11 to Mar 25Plant for fall: Sep 27 to Oct 18
Start indoors: Feb 18 to Feb 25Transplant outside: Apr 1 to Apr 8Sow outdoors: Mar 25 to Apr 8Plant for fall: Aug 23 to Sep 6
Start indoors: Feb 18 to Feb 25Sow outdoors: Mar 25 to Apr 8Plant for fall: Aug 30 to Sep 13
Start indoors: Feb 18 to Feb 25Sow outdoors: Mar 25 to Apr 8
Start indoors: Feb 18 to Feb 25Transplant outside: Apr 1 to Apr 15
Sow outdoors: Feb 25 to Mar 25Plant for fall: Aug 16 to Aug 30
Sow outdoors: Feb 25 to Mar 25Plant for fall: Aug 30 to Sep 13
Sow outdoors: Feb 25 to Mar 18
Sow outdoors: Mar 4 to Apr 1Plant for fall: Aug 30 to Sep 13
Sow outdoors: Mar 4 to Mar 25Plant for fall: Sep 13 to Oct 4
Sow outdoors: Mar 25 to Apr 15Plant for fall: Aug 23 to Sep 6
Sow outdoors: Mar 25 to Apr 8
Transplant outside: Apr 1 to Apr 22
Plant for fall: Oct 25 to Nov 29
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Harleton, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 24 – Jan 7 | Feb 18 – Mar 4 | — | — |
| Peppers | Jan 7 – Jan 21 | Apr 1 – Apr 15 | — | — |
| Eggplant | Jan 7 – Jan 21 | Apr 1 – Apr 15 | — | — |
| Tomatoes | Jan 21 – Feb 4 | Mar 25 – Apr 8 | — | — |
| Lettuce | Jan 21 – Feb 4 | Feb 25 – Mar 11 | Feb 18 – Mar 25 | Sep 13 – Oct 11 |
| Kale | Jan 21 – Feb 4 | Feb 18 – Mar 4 | Feb 18 – Mar 4 | Aug 30 – Sep 20 |
| Broccoli | Jan 21 – Feb 4 | Mar 4 – Mar 18 | — | Aug 2 – Aug 23 |
| Cabbage | Jan 21 – Feb 4 | Feb 25 – Mar 11 | — | Aug 2 – Aug 23 |
| Cauliflower | Jan 21 – Feb 4 | Mar 4 – Mar 18 | — | Aug 2 – Aug 23 |
| Okra | Feb 4 – Feb 18 | Apr 8 – Apr 22 | Apr 8 – Apr 22 | — |
| Basil | Feb 4 – Feb 18 | Mar 25 – Apr 8 | — | — |
| Peas | — | — | Feb 4 – Feb 25 | Aug 16 – Sep 6 |
| Spinach | — | — | Feb 4 – Feb 25 | Sep 13 – Oct 4 |
| Radishes | — | — | Feb 11 – Mar 25 | Sep 27 – Oct 18 |
| Cucumbers | Feb 18 – Feb 25 | Apr 1 – Apr 8 | Mar 25 – Apr 8 | Aug 23 – Sep 6 |
| Zucchini & Summer Squash | Feb 18 – Feb 25 | — | Mar 25 – Apr 8 | Aug 30 – Sep 13 |
| Winter Squash & Pumpkins | Feb 18 – Feb 25 | — | Mar 25 – Apr 8 | — |
| Melons & Watermelon | Feb 18 – Feb 25 | Apr 1 – Apr 15 | — | — |
| Carrots | — | — | Feb 25 – Mar 25 | Aug 16 – Aug 30 |
| Beets | — | — | Feb 25 – Mar 25 | Aug 30 – Sep 13 |
| Potatoes | — | — | Feb 25 – Mar 18 | — |
| Swiss Chard | — | — | Mar 4 – Apr 1 | Aug 30 – Sep 13 |
| Cilantro | — | — | Mar 4 – Mar 25 | Sep 13 – Oct 4 |
| Green Beans | — | — | Mar 25 – Apr 15 | Aug 23 – Sep 6 |
| Sweet Corn | — | — | Mar 25 – Apr 8 | — |
| Sweet Potatoes | — | Apr 1 – Apr 22 | — | — |
| Garlic | — | — | — | Oct 25 – Nov 29 |
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 Jefferson, TX weather station, 16 km away (elevation 210 ft (64 m)).
Frost dates near Harleton
- Woodlawn Mar 18 · Nov 8
- Marshall Mar 20 · Nov 11
- Hallsville Mar 15 · Nov 15
- Jefferson Mar 18 · Nov 8
- Avinger Mar 8 · Nov 22
- Scottsville Mar 20 · Nov 11
- Karnack Mar 20 · Nov 11
- Diana Mar 10 · Nov 15
- Judson Mar 7 · Nov 23
- Lodi Mar 18 · Nov 8
Frequently asked questions
When is the last frost in Harleton, TX?
The median last spring frost in Harleton, TX is March 18. There is still about a 10% chance of frost after April 7, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Harleton, TX?
The median first fall frost is November 8, with about a 10% chance of frost before October 26.
How long is the growing season in Harleton, TX?
About 235 days between the median last spring frost and first fall frost.
What planting zone is Harleton, TX?
Harleton, TX is in USDA hardiness zone 8b.