Terrell, TX planting zone & frost dates

Terrell is in USDA hardiness zone 8b. The last spring frost usually comes around March 11 and the first fall frost around November 18, for a growing season of about 250 days.

USDA hardiness zone8bavg. extreme winter low 15°F to 20°F
Average last spring frostMarch 1190% chance of no frost after March 29
Average first fall frostNovember 1810% chance of frost by November 2
Growing season250 daysfrost-free days in an average year

Planting calendar for Terrell

Dates are counted from the average last spring frost (March 11) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.

CropWhen
TomatoesStart seeds indoors: Jan 14 – Jan 28
Transplant outdoors: Mar 18 – Mar 25
PeppersStart seeds indoors: Dec 31 – Jan 14
Transplant outdoors: Mar 25 – Apr 1
EggplantStart seeds indoors: Dec 31 – Jan 14
Transplant outdoors: Mar 25 – Apr 1
BroccoliStart seeds indoors: Dec 31 – Jan 14
Transplant outdoors: Feb 11 – Feb 25
CabbageStart seeds indoors: Dec 31 – Jan 14
Transplant outdoors: Feb 11 – Feb 25
Onions (sets)Plant outdoors: Feb 11 – Feb 25
PeasSow outdoors: Jan 28 – Feb 11
SpinachSow outdoors: Jan 28 – Feb 11
LettuceSow outdoors: Feb 11 – Feb 25
CarrotsSow outdoors: Feb 11 – Feb 25
PotatoesPlant outdoors: Feb 11 – Feb 25
BeansSow outdoors: Mar 18 – Mar 25
Sweet cornSow outdoors: Mar 18 – Mar 25
CucumbersSow outdoors: Mar 18 – Mar 25
Squash & zucchiniSow outdoors: Mar 18 – Mar 25
BasilStart seeds indoors: Jan 28 – Feb 11
Transplant outdoors: Mar 18 – Mar 25

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 23 (8 weeks before the average first fall frost on Nov 18).

Frost risk in detail

90% chance50% chance10% chance
Last 32°F frost in spring is afterFeb 21Mar 11Mar 29
First 32°F frost in fall is beforeDec 6Nov 18Nov 2

How to read it: in spring there is a 10% chance of a frost after March 29, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 2. A hard freeze (28°F) usually ends around February 28.

Hardiness zone by ZIP code in Terrell

Nearby cities

All cities in Texas → · Other zone 8b cities →

Questions

What growing zone is Terrell, TX?

Terrell is in USDA Plant Hardiness Zone 8b (average extreme winter low 15°F to 20°F), according to the USDA 2023 map.

When is the last frost in Terrell?

The average last spring frost (32°F) in Terrell is March 11. There is still a 10% chance of frost until March 29.

When can I plant tomatoes in Terrell?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 18 – Mar 25. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Terrell Muni Ap, TX (USW00053911), 3.0 km (1.9 mi) from the city center, elevation 145 m, based on 18 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.