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

Planting zone for 35540 — Addison, AL

ZIP code 35540 (Addison, Winston County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 4 and the first fall frost November 1.

Where ZIP 35540 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.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 4
First frostNov 1
2012 zone7b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Addison, 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 Addison, AL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 4median — 50% chance of a later frost
Safe for tender plantsApril 24only 10% chance of frost after
First fall frostNovember 1median — 10% chance by Oct 20
Growing season210 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 22 and returns around November 13.

From the NOAA station Addison, AL — 2 miles away, elevation 817 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 35540

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 21 – Mar 7
SpinachSow outdoors · Feb 21 – Mar 14
Broccoli, cabbageStart indoors · Jan 24 – Feb 7
Broccoli, cabbageTransplant · Mar 14 – Mar 28
Onion setsPlant outdoors · Mar 7 – Mar 21
PotatoesPlant outdoors · Mar 14 – Mar 28
LettuceSow outdoors · Mar 7 – Mar 21
Carrots, beetsSow outdoors · Mar 14 – Mar 28
TomatoesStart indoors · Feb 7 – Feb 21
TomatoesTransplant · Apr 11 – Apr 25
Peppers, eggplantStart indoors · Jan 24 – Feb 7
Peppers, eggplantTransplant · Apr 18 – May 2
BeansSow outdoors · Apr 11 – Apr 25
Sweet cornSow outdoors · Apr 11 – Apr 25
Cucumbers, squashSow outdoors · Apr 11 – Apr 25
Fall lettuce, spinachSow outdoors · Sep 6 – Sep 20
GarlicPlant cloves · Oct 18 – Nov 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 4) and first fall frost (Nov 1) 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 35540 came on Feb 18 — about the same time as the 1991–2020 average (Feb 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 7b in Alabama

526 plants native to the lower 48 states, recorded in Alabama, and rated by the USDA to survive 5 °F or colder — the bottom of zone 7b. Each links to its USDA PLANTS profile.

Trees 80

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °FAtlantic white cedar50 ft · blooms spring · medium shade tolerance · to −36 °F

Shrubs 117

Allegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Faloe yucca15 ft · blooms early summer · medium shade tolerance · to −1 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican beautyberry6 ft · blooms early summer · medium shade tolerance · to −8 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °F

Wildflowers & perennials 166

American bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican spongeplant0.5 ft · blooms mid spring · high shade tolerance · to −24 °FAmerican water horehound1.8 ft · blooms early summer · low shade tolerance · to −38 °F

Grasses 140

American cupscale3 ft · blooms early summer · high shade tolerance · to −18 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °Fbeaked spikerush3 ft · blooms late spring · high shade tolerance · to −28 °Fbig bluestem6 ft · blooms summer · high shade tolerance · to −46 °Fbig cordgrass8 ft · blooms spring · high shade tolerance · to −3 °F

Vines 13

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °FAmerican wisteria50 ft · blooms spring · low shade tolerance · to −3 °Fcatbird grape30 ft · blooms late spring · medium shade tolerance · to −13 °Fcupseed30 ft · blooms late spring · low shade tolerance · to −3 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °F

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 Addison, AL.

Soil in Addison, AL

The soil mapped at the center of ZIP 35540 is Sipsey — loamy sand, well drained.

TextureLoamy sanddrains and warms fast; dries out and needs more feeding
pH5.5moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Sipsey-Bankhead complex, 15 to 45 percent slopes.

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 35540; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Addison, AL

Summer high88 °Faverage high, July
Winter low29 °Faverage low, January
Hot days34days a year at 90 °F or more
Freezing nights72nights a year at 32 °F or less
Growing degree days4,640base 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
Precipitation60.8 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 50 °F, low 29 °F 50°29° JanFebruary: average high 55 °F, low 32 °F 55°32° FebMarch: average high 64 °F, low 40 °F 64°40° MarApril: average high 72 °F, low 47 °F 72°47° AprMay: average high 79 °F, low 56 °F 79°56° MayJune: average high 85 °F, low 64 °F 85°64° JunJuly: average high 88 °F, low 68 °F 88°68° JulAugust: average high 88 °F, low 66 °F 88°66° AugSeptember: average high 83 °F, low 60 °F 83°60° SepOctober: average high 73 °F, low 48 °F 73°48° OctNovember: average high 62 °F, low 39 °F 62°39° NovDecember: average high 53 °F, low 33 °F 53°33° Dec

Precipitation by month inches

0″2″4″6″January: 5.37 in precipitation, 0.2 in snowfall 5.4 JanFebruary: 5.61 in precipitation 5.6 FebMarch: 5.44 in precipitation 5.4 MarApril: 5.85 in precipitation 5.8 AprMay: 5.09 in precipitation 5.1 MayJune: 4.75 in precipitation 4.8 JunJuly: 4.78 in precipitation 4.8 JulAugust: 4.37 in precipitation 4.4 AugSeptember: 4.45 in precipitation 4.5 SepOctober: 3.91 in precipitation 3.9 OctNovember: 4.85 in precipitation 4.8 NovDecember: 6.31 in precipitation 6.3 Dec

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

Nearby ZIP codes

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

355728a
Houston, AL · 5 mi
355418a
Arley, AL · 10 mi
350987b
Logan, AL · 10 mi
356198a
Danville, AL · 12 mi
355537b
Double Springs, AL · 13 mi
350538a
Crane Hill, AL · 13 mi
351798a
Vinemont, AL · 13 mi
350578a
Cullman, AL · 15 mi

Alabama planting zones →

Questions about 35540

What planting zone is ZIP code 35540?

ZIP code 35540 (Addison, AL) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in Addison, AL?

The median last spring frost (32 °F) near 35540 is April 4; after April 24 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Addison station.

When is the first frost in Addison, AL?

The median first fall frost near 35540 is November 1, giving a median frost-free growing season of 210 days.

When should I plant tomatoes in 35540?

Start tomato seeds indoors around Feb 7 – Feb 21 and set transplants outside around Apr 11 – Apr 25, one to three weeks after the median last frost.

How much rain and snow does 35540 get?

About 60.8 inches of precipitation a year (NOAA 1991–2020 normals, Addison station).

How hot do summers get in Addison, AL?

The average high peaks at 88 °F in July, with about 34 days a year at 90 °F or more.

What kind of soil does 35540 have?

The USDA soil survey maps Sipsey at the center of ZIP 35540: loamy sand, well drained, pH about 5.5 (moderately acidic).

Did spring come early in Addison, AL in 2026?

Spring leaf-out near 35540 came on Feb 18 in 2026, about the same as the 1991–2020 average (Feb 16), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Addison, AL?

Intermediate onions: the longest day near 35540 is 14 h 26 min, so day-neutral types bulb best; long-day varieties may not bulb fully.