Odessa, TX planting zone & frost dates

Odessa is in USDA hardiness zone 8b. The last spring frost usually comes around March 15 and the first fall frost around November 16, for a growing season of about 243 days.

USDA hardiness zone8bavg. extreme winter low 15°F to 20°F
Average last spring frostMarch 1590% chance of no frost after April 9
Average first fall frostNovember 1610% chance of frost by November 1
Growing season243 daysfrost-free days in an average year

Planting calendar for Odessa

Dates are counted from the average last spring frost (March 15) 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 18 – Feb 1
Transplant outdoors: Mar 22 – Mar 29
PeppersStart seeds indoors: Jan 4 – Jan 18
Transplant outdoors: Mar 29 – Apr 5
EggplantStart seeds indoors: Jan 4 – Jan 18
Transplant outdoors: Mar 29 – Apr 5
BroccoliStart seeds indoors: Jan 4 – Jan 18
Transplant outdoors: Feb 15 – Mar 1
CabbageStart seeds indoors: Jan 4 – Jan 18
Transplant outdoors: Feb 15 – Mar 1
Onions (sets)Plant outdoors: Feb 15 – Mar 1
PeasSow outdoors: Feb 1 – Feb 15
SpinachSow outdoors: Feb 1 – Feb 15
LettuceSow outdoors: Feb 15 – Mar 1
CarrotsSow outdoors: Feb 15 – Mar 1
PotatoesPlant outdoors: Feb 15 – Mar 1
BeansSow outdoors: Mar 22 – Mar 29
Sweet cornSow outdoors: Mar 22 – Mar 29
CucumbersSow outdoors: Mar 22 – Mar 29
Squash & zucchiniSow outdoors: Mar 22 – Mar 29
BasilStart seeds indoors: Feb 1 – Feb 15
Transplant outdoors: Mar 22 – Mar 29

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 21 (8 weeks before the average first fall frost on Nov 16).

Useful for zone 8b gardens

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Frost risk in detail

90% chance50% chance10% chance
Last 32°F frost in spring is afterFeb 25Mar 15Apr 9
First 32°F frost in fall is beforeDec 1Nov 16Nov 1

How to read it: in spring there is a 10% chance of a frost after April 9, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 1. A hard freeze (28°F) usually ends around March 3.

Hardiness zone by ZIP code in Odessa

Nearby cities

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

Questions

What growing zone is Odessa, TX?

Odessa is in USDA Plant Hardiness Zone 8b (average extreme winter low 15°F to 20°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 8a.

When is the last frost in Odessa?

The average last spring frost (32°F) in Odessa is March 15. There is still a 10% chance of frost until April 9.

When can I plant tomatoes in Odessa?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 22 – Mar 29. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Odessa, TX (USC00416502), 3.9 km (2.4 mi) from the city center, elevation 887 m, based on 13 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.