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

Planting zone for 35447 — Carrollton, AL

ZIP code 35447 (Carrollton, Pickens County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is March 24 and the first fall frost November 8.

Where ZIP 35447 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.

Zone8a10 to 15 °F
Coldest night−12.2 to −9.4 °C
Last frostMar 24
First frostNov 8
2012 zone8a

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 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Carrollton, 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 Carrollton, AL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 24median — 50% chance of a later frost
Safe for tender plantsApril 13only 10% chance of frost after
First fall frostNovember 8median — 10% chance by Oct 26
Growing season230 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 8 and returns around November 20.

From the NOAA station Aliceville, AL — 11 miles away, elevation 194 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 35447

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 10 – Feb 24
SpinachSow outdoors · Feb 10 – Mar 3
Broccoli, cabbageStart indoors · Jan 13 – Jan 27
Broccoli, cabbageTransplant · Mar 3 – Mar 17
Onion setsPlant outdoors · Feb 24 – Mar 10
PotatoesPlant outdoors · Mar 3 – Mar 17
LettuceSow outdoors · Feb 24 – Mar 10
Carrots, beetsSow outdoors · Mar 3 – Mar 17
TomatoesStart indoors · Jan 27 – Feb 10
TomatoesTransplant · Mar 31 – Apr 14
Peppers, eggplantStart indoors · Jan 13 – Jan 27
Peppers, eggplantTransplant · Apr 7 – Apr 21
BeansSow outdoors · Mar 31 – Apr 14
Sweet cornSow outdoors · Mar 31 – Apr 14
Cucumbers, squashSow outdoors · Mar 31 – Apr 14
Fall lettuce, spinachSow outdoors · Sep 13 – Sep 27
GarlicPlant cloves · Oct 25 – Nov 29
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 24) and first fall frost (Nov 8) 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 35447 came on Feb 13 — 3 days later than the 1991–2020 average (Feb 10).

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).

Soil in Carrollton, AL

The soil mapped at the center of ZIP 35447 is Smithdale — fine sandy loam, well drained.

TextureFine 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 groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Smithdale-Luverne-Maubila complex, 15 to 35 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 35447; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Carrollton, AL

Summer high91 °Faverage high, July
Winter low33 °Faverage low, January
Hot days73days a year at 90 °F or more
Freezing nights62nights a year at 32 °F or less
Growing degree days5,569base 50 °F — the season’s usable heat
Longest day14 h 21 mindaylight on June 21
Shortest day9 h 57 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation55.1 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 55 °F, low 33 °F 55°33° JanFebruary: average high 60 °F, low 37 °F 60°37° FebMarch: average high 68 °F, low 43 °F 68°43° MarApril: average high 75 °F, low 50 °F 75°50° AprMay: average high 82 °F, low 59 °F 82°59° MayJune: average high 89 °F, low 67 °F 89°67° JunJuly: average high 91 °F, low 71 °F 91°71° JulAugust: average high 91 °F, low 70 °F 91°70° AugSeptember: average high 86 °F, low 64 °F 86°64° SepOctober: average high 77 °F, low 52 °F 77°52° OctNovember: average high 66 °F, low 42 °F 66°42° NovDecember: average high 58 °F, low 36 °F 58°36° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 5.81 in precipitation 5.8 JanFebruary: 5.52 in precipitation 5.5 FebMarch: 5.04 in precipitation 5.0 MarApril: 5.57 in precipitation 5.6 AprMay: 4.40 in precipitation 4.4 MayJune: 4.23 in precipitation 4.2 JunJuly: 4.05 in precipitation 4.0 JulAugust: 4.15 in precipitation 4.2 AugSeptember: 3.42 in precipitation 3.4 SepOctober: 3.48 in precipitation 3.5 OctNovember: 4.24 in precipitation 4.2 NovDecember: 5.20 in precipitation 5.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Aliceville, AL (11 mi away); precipitation: Aliceville L&D, AL (8 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.

Alabama planting zones →

Questions about 35447

What planting zone is ZIP code 35447?

ZIP code 35447 (Carrollton, AL) is in USDA hardiness zone 8a on the 2023 map: the coldest night of an average winter reaches 10 to 15 °F (−12.2 to −9.4 °C).

When is the last frost in Carrollton, AL?

The median last spring frost (32 °F) near 35447 is March 24; after April 13 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Aliceville station.

When is the first frost in Carrollton, AL?

The median first fall frost near 35447 is November 8, giving a median frost-free growing season of 230 days.

When should I plant tomatoes in 35447?

Start tomato seeds indoors around Jan 27 – Feb 10 and set transplants outside around Mar 31 – Apr 14, one to three weeks after the median last frost.

How much rain and snow does 35447 get?

About 55.1 inches of precipitation a year (NOAA 1991–2020 normals, Aliceville L&D station).

How hot do summers get in Carrollton, AL?

The average high peaks at 91 °F in July, with about 73 days a year at 90 °F or more.

What kind of soil does 35447 have?

The USDA soil survey maps Smithdale at the center of ZIP 35447: fine sandy loam, well drained, pH about 5.0 (strongly acidic).

Did spring come early in Carrollton, AL in 2026?

Spring leaf-out near 35447 came on Feb 13 in 2026, 3 days later than the 1991–2020 average (Feb 10), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Carrollton, AL?

Intermediate onions: the longest day near 35447 is 14 h 21 min, so day-neutral types bulb best; long-day varieties may not bulb fully.