Hoover, AL planting zone & frost dates

Hoover is in USDA hardiness zone 8b. The last spring frost usually comes around March 19 and the first fall frost around November 8, for a growing season of about 236 days.

USDA hardiness zone8bavg. extreme winter low 15°F to 20°F
Average last spring frostMarch 1990% chance of no frost after April 9
Average first fall frostNovember 810% chance of frost by October 26
Growing season236 daysfrost-free days in an average year

Planting calendar for Hoover

Dates are counted from the average last spring frost (March 19) 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 22 – Feb 5
Transplant outdoors: Mar 26 – Apr 2
PeppersStart seeds indoors: Jan 8 – Jan 22
Transplant outdoors: Apr 2 – Apr 9
EggplantStart seeds indoors: Jan 8 – Jan 22
Transplant outdoors: Apr 2 – Apr 9
BroccoliStart seeds indoors: Jan 8 – Jan 22
Transplant outdoors: Feb 19 – Mar 5
CabbageStart seeds indoors: Jan 8 – Jan 22
Transplant outdoors: Feb 19 – Mar 5
Onions (sets)Plant outdoors: Feb 19 – Mar 5
PeasSow outdoors: Feb 5 – Feb 19
SpinachSow outdoors: Feb 5 – Feb 19
LettuceSow outdoors: Feb 19 – Mar 5
CarrotsSow outdoors: Feb 19 – Mar 5
PotatoesPlant outdoors: Feb 19 – Mar 5
BeansSow outdoors: Mar 26 – Apr 2
Sweet cornSow outdoors: Mar 26 – Apr 2
CucumbersSow outdoors: Mar 26 – Apr 2
Squash & zucchiniSow outdoors: Mar 26 – Apr 2
BasilStart seeds indoors: Feb 5 – Feb 19
Transplant outdoors: Mar 26 – Apr 2

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 13 (8 weeks before the average first fall frost on Nov 8).

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 26Mar 19Apr 9
First 32°F frost in fall is beforeNov 29Nov 8Oct 26

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 October 26. A hard freeze (28°F) usually ends around March 4.

Nearby cities

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

Questions

What growing zone is Hoover, AL?

Hoover 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 Hoover?

The average last spring frost (32°F) in Hoover is March 19. There is still a 10% chance of frost until April 9.

When can I plant tomatoes in Hoover?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 26 – Apr 2. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Helena, AL (USC00013781), 14.9 km (9.3 mi) from the city center, elevation 146 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.