Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for Boaz, AL

Boaz, AL is in USDA zone 8a across its 2 ZIP codes. The median last spring frost is March 19 and the first fall frost November 13.

Boaz on the zone map

Outlined: its 2 ZIP code areas · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone8a10 to 15 °F

ZIP codes2

Last frostMar 19

First frostNov 13

Growing season240 days

8a 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

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Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Boaz, AL

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMarch 19median — 50% chance of a later frost

Safe for tender plantsApril 7only 10% chance of frost after

First fall frostNovember 13median — 10% chance by Nov 1

Growing season240 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 4 and returns around November 27.

From the NOAA station Gadsden, AL, elevation 564 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in Boaz

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 5 – Feb 19

SpinachSow outdoors · Feb 5 – Feb 26

Broccoli, cabbageStart indoors · Jan 8 – Jan 22

Broccoli, cabbageTransplant · Feb 26 – Mar 12

Onion setsPlant outdoors · Feb 19 – Mar 5

PotatoesPlant outdoors · Feb 26 – Mar 12

LettuceSow outdoors · Feb 19 – Mar 5

Carrots, beetsSow outdoors · Feb 26 – Mar 12

TomatoesStart indoors · Jan 22 – Feb 5

TomatoesTransplant · Mar 26 – Apr 9

Peppers, eggplantStart indoors · Jan 8 – Jan 22

Peppers, eggplantTransplant · Apr 2 – Apr 16

BeansSow outdoors · Mar 26 – Apr 9

Sweet cornSow outdoors · Mar 26 – Apr 9

Cucumbers, squashSow outdoors · Mar 26 – Apr 9

Fall lettuce, spinachSow outdoors · Sep 18 – Oct 2

GarlicPlant cloves · Oct 30 – Dec 4

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 19) and first fall frost (Nov 13) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 35957 came on Feb 17 — about the same time as the 1991–2020 average (Feb 15).

average
Feb 152026
Feb 17

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 8a in Alabama

550 plants native to the lower 48 states, recorded in Alabama, and rated by the USDA to survive 10 °F or colder — the bottom of zone 8a. Each links to its USDA PLANTS profile.

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Boaz, AL.

Soil in Boaz, AL

The soil mapped at the center of ZIP 35957 is Albertville — very fine sandy loam, well drained.

TextureVery fine sandy loamdrains and warms fast; dries out and needs more feeding

pH5.0strongly acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter1.25%low — add compost

Hydrologic groupCwater soaks in slowly

Farmland classFarmland of statewide importanceUSDA classification

Map unit: Albertville very fine sandy loam, eroded, sloping.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 35957; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Boaz, AL

Summer high89 °Faverage high, July

Winter low33 °Faverage low, January

Hot days49days a year at 90 °F or more

Freezing nights52nights a year at 32 °F or less

Growing degree days5,242base 50 °F — the season’s usable heat

Longest day14 h 26 mindaylight on June 21

Shortest day9 h 52 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation56.8 inper year, rain and melted snow

Snowfall1 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Guntersville, AL (12 mi away); precipitation: Boaz, AL (2 mi away). Daylight is calculated from latitude.

ZIP codes in Boaz

Alabama planting zones →

Questions about Boaz

What planting zone is Boaz, AL?

Boaz, AL is in USDA hardiness zone 8a on the 2023 map (8a: 10 to 15 °F).

When is the last frost in Boaz, AL?

The median last spring frost is March 19 and the median first fall frost is November 13 (NOAA 1991–2020 normals, Gadsden station).

When can I plant a garden in Boaz, AL?

Cool-season crops like peas and spinach go in around Feb 5 – Feb 26; tomatoes, peppers, beans and squash after about Mar 26, once frost risk has passed.

What kind of onions grow in Boaz, AL?

Intermediate onions: the longest day is 14 h 26 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

How much rain and snow does Boaz, AL get?

About 56.8 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals).