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

Planting zone for 36571 — Saraland, AL

ZIP code 36571 (Saraland, Mobile County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is March 3 and the first fall frost November 25.

Where ZIP 36571 is

Outlined: the ZIP code area · 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.

Zone9a20 to 25 °F

Coldest night−6.7 to −3.9 °C

Last frostMar 3

First frostNov 25

2012 zone8b

Was 8b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Saraland, AL…

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 Saraland, AL

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMarch 3median — 50% chance of a later frost

Safe for tender plantsMarch 21only 10% chance of frost after

First fall frostNovember 25median — 10% chance by Nov 8

Growing season268 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 13 and returns around December 14.

From the NOAA station Mobile, AL — 14 miles away, elevation 207 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 36571

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Jan 20 – Feb 3

SpinachSow outdoors · Jan 20 – Feb 10

Broccoli, cabbageStart indoors · Dec 23 – Jan 6

Broccoli, cabbageTransplant · Feb 10 – Feb 24

Onion setsPlant outdoors · Feb 3 – Feb 17

PotatoesPlant outdoors · Feb 10 – Feb 24

LettuceSow outdoors · Feb 3 – Feb 17

Carrots, beetsSow outdoors · Feb 10 – Feb 24

TomatoesStart indoors · Jan 6 – Jan 20

TomatoesTransplant · Mar 10 – Mar 24

Peppers, eggplantStart indoors · Dec 23 – Jan 6

Peppers, eggplantTransplant · Mar 17 – Mar 31

BeansSow outdoors · Mar 10 – Mar 24

Sweet cornSow outdoors · Mar 10 – Mar 24

Cucumbers, squashSow outdoors · Mar 10 – Mar 24

Fall lettuce, spinachSow outdoors · Sep 30 – Oct 14

GarlicPlant cloves · Nov 11 – Dec 16

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 3) and first fall frost (Nov 25) 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 36571 came on Jan 16 — 12 days earlier than the 1991–2020 average (Jan 28).

average
Jan 282026
Jan 16

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 9a in Alabama

582 plants native to the lower 48 states, recorded in Alabama, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. 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 Saraland, AL.

Soil in Saraland, AL

The soil mapped at the center of ZIP 36571 is Bibb — fine sandy loam, poorly drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding

pH5.1strongly acidic; most vegetables like 6.0–7.0

DrainagePoorly drainedconsider raised beds

Organic matter2%moderate

Hydrologic groupC/Dslow when drained; wet otherwise

Farmland classNot prime farmlandUSDA classification

Map unit: Johnston, Bibb and Smithton soils, 0 to 3 percent slopes, frequently flooded.

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 36571; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Saraland, AL

Summer high91 °Faverage high, July

Winter low41 °Faverage low, January

Hot days78days a year at 90 °F or more

Freezing nights21nights a year at 32 °F or less

Growing degree days6,719base 50 °F — the season’s usable heat

Longest day14 h 09 mindaylight on June 21

Shortest day10 h 09 mindaylight on December 21

Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb

Precipitation68.9 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Mobile, AL (14 mi away); precipitation: Mobile 5.0 Wnw, AL (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

3 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

365728b

Satsuma, AL · 3 mi

366139a

Eight Mile, AL · 6 mi

Alabama planting zones →

Questions about 36571

What planting zone is ZIP code 36571?

ZIP code 36571 (Saraland, AL) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).

When is the last frost in Saraland, AL?

The median last spring frost (32 °F) near 36571 is March 3; after March 21 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Mobile station.

When is the first frost in Saraland, AL?

The median first fall frost near 36571 is November 25, giving a median frost-free growing season of 268 days.

When should I plant tomatoes in 36571?

Start tomato seeds indoors around Jan 6 – Jan 20 and set transplants outside around Mar 10 – Mar 24, one to three weeks after the median last frost.

How much rain and snow does 36571 get?

About 68.9 inches of precipitation a year (NOAA 1991–2020 normals, Mobile 5.0 Wnw station).

How hot do summers get in Saraland, AL?

The average high peaks at 91 °F in July, with about 78 days a year at 90 °F or more.

What kind of soil does 36571 have?

The USDA soil survey maps Bibb at the center of ZIP 36571: fine sandy loam, poorly drained, pH about 5.1 (strongly acidic).

Did spring come early in Saraland, AL in 2026?

Spring leaf-out near 36571 came on Jan 16 in 2026, 12 days earlier than the 1991–2020 average (Jan 28), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Saraland, AL?

Short-day onions: the longest day near 36571 is 14 h 09 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 36571 change?

Yes. The 2012 USDA map put 36571 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.