Ozark, AL planting zone & frost dates

Ozark is in USDA hardiness zone 8b. The last spring frost usually comes around March 1 and the first fall frost around November 24, for a growing season of about 270 days.

USDA hardiness zone8bavg. extreme winter low 15°F to 20°F
Average last spring frostMarch 190% chance of no frost after March 21
Average first fall frostNovember 2410% chance of frost by November 7
Growing season270 daysfrost-free days in an average year

Planting calendar for Ozark

Dates are counted from the average last spring frost (March 1) 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 4 – Jan 18
Transplant outdoors: Mar 8 – Mar 15
PeppersStart seeds indoors: Dec 21 – Jan 4
Transplant outdoors: Mar 15 – Mar 22
EggplantStart seeds indoors: Dec 21 – Jan 4
Transplant outdoors: Mar 15 – Mar 22
BroccoliStart seeds indoors: Dec 21 – Jan 4
Transplant outdoors: Feb 1 – Feb 15
CabbageStart seeds indoors: Dec 21 – Jan 4
Transplant outdoors: Feb 1 – Feb 15
Onions (sets)Plant outdoors: Feb 1 – Feb 15
PeasSow outdoors: Jan 18 – Feb 1
SpinachSow outdoors: Jan 18 – Feb 1
LettuceSow outdoors: Feb 1 – Feb 15
CarrotsSow outdoors: Feb 1 – Feb 15
PotatoesPlant outdoors: Feb 1 – Feb 15
BeansSow outdoors: Mar 8 – Mar 15
Sweet cornSow outdoors: Mar 8 – Mar 15
CucumbersSow outdoors: Mar 8 – Mar 15
Squash & zucchiniSow outdoors: Mar 8 – Mar 15
BasilStart seeds indoors: Jan 18 – Feb 1
Transplant outdoors: Mar 8 – Mar 15

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 29 (8 weeks before the average first fall frost on Nov 24).

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 3Mar 1Mar 21
First 32°F frost in fall is beforeDec 24Nov 24Nov 7

How to read it: in spring there is a 10% chance of a frost after March 21, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 7. A hard freeze (28°F) usually ends around February 12.

Hardiness zone by ZIP code in Ozark

Nearby cities

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

Questions

What growing zone is Ozark, AL?

Ozark 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 Ozark?

The average last spring frost (32°F) in Ozark is March 1. There is still a 10% chance of frost until March 21.

When can I plant tomatoes in Ozark?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 8 – Mar 15. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Dothan Rgnl Ap, AL (USW00013839), 23.7 km (14.7 mi) from the city center, elevation 113 m, based on 17 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.