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

Planting zone for 35622 — Falkville, AL

ZIP code 35622 (Falkville, Morgan County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is April 5 and the first fall frost November 1.

Where ZIP 35622 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 frostApr 5
First frostNov 1
2012 zone7b

Was 7b 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 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Falkville, 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 Falkville, AL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 5median — 50% chance of a later frost
Safe for tender plantsApril 22only 10% chance of frost after
First fall frostNovember 1median — 10% chance by Oct 19
Growing season210 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 21 and returns around November 11.

From the NOAA station Cullman 3 Ene, AL — 12 miles away, elevation 801 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 35622

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 22 – Mar 8
SpinachSow outdoors · Feb 22 – Mar 15
Broccoli, cabbageStart indoors · Jan 25 – Feb 8
Broccoli, cabbageTransplant · Mar 15 – Mar 29
Onion setsPlant outdoors · Mar 8 – Mar 22
PotatoesPlant outdoors · Mar 15 – Mar 29
LettuceSow outdoors · Mar 8 – Mar 22
Carrots, beetsSow outdoors · Mar 15 – Mar 29
TomatoesStart indoors · Feb 8 – Feb 22
TomatoesTransplant · Apr 12 – Apr 26
Peppers, eggplantStart indoors · Jan 25 – Feb 8
Peppers, eggplantTransplant · Apr 19 – May 3
BeansSow outdoors · Apr 12 – Apr 26
Sweet cornSow outdoors · Apr 12 – Apr 26
Cucumbers, squashSow outdoors · Apr 12 – Apr 26
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 5) 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 35622 came on Feb 16 — 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).

Soil in Falkville, AL

The soil mapped at the center of ZIP 35622 is Dewey — silty clay loam, well drained.

TextureSilty clay loamholds water and nutrients; slow to drain and warm up
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter0.75%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classprime farmlandUSDA classification

Map unit: Dewey silty clay loam, 2 to 6 percent slopes, eroded.

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 35622; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Falkville, AL

Summer high88 °Faverage high, July
Winter low31 °Faverage low, January
Hot days39days a year at 90 °F or more
Freezing nights70nights a year at 32 °F or less
Growing degree days4,630base 50 °F — the season’s usable heat
Longest day14 h 27 mindaylight on June 21
Shortest day9 h 51 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation62.5 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 51 °F, low 31 °F 51°31° JanFebruary: average high 55 °F, low 34 °F 55°34° FebMarch: average high 63 °F, low 40 °F 63°40° MarApril: average high 72 °F, low 47 °F 72°47° AprMay: average high 79 °F, low 55 °F 79°55° MayJune: average high 86 °F, low 64 °F 86°64° JunJuly: average high 88 °F, low 68 °F 88°68° JulAugust: average high 88 °F, low 67 °F 88°67° AugSeptember: average high 83 °F, low 60 °F 83°60° SepOctober: average high 74 °F, low 48 °F 74°48° OctNovember: average high 62 °F, low 38 °F 62°38° NovDecember: average high 54 °F, low 34 °F 54°34° Dec

Precipitation by month inches

0″2″4″6″January: 6.20 in precipitation 6.2 JanFebruary: 6.27 in precipitation 6.3 FebMarch: 5.87 in precipitation 5.9 MarApril: 5.87 in precipitation 5.9 AprMay: 4.59 in precipitation 4.6 MayJune: 5.44 in precipitation 5.4 JunJuly: 4.43 in precipitation 4.4 JulAugust: 4.20 in precipitation 4.2 AugSeptember: 4.88 in precipitation 4.9 SepOctober: 3.87 in precipitation 3.9 OctNovember: 4.66 in precipitation 4.7 NovDecember: 6.19 in precipitation 6.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Cullman 3 Ene, AL (12 mi away); precipitation: Falkville 5.1 E, AL (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

351798a
Vinemont, AL · 6 mi
356408a
Hartselle, AL · 7 mi
356218a
Eva, AL · 10 mi
350578a
Cullman, AL · 12 mi
350588a
Cullman, AL · 12 mi
350568a
Cullman, AL · 12 mi
356708a
Somerville, AL · 13 mi
356038a
Decatur, AL · 14 mi

Alabama planting zones →

Questions about 35622

What planting zone is ZIP code 35622?

ZIP code 35622 (Falkville, 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 Falkville, AL?

The median last spring frost (32 °F) near 35622 is April 5; after April 22 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Cullman 3 Ene station.

When is the first frost in Falkville, AL?

The median first fall frost near 35622 is November 1, giving a median frost-free growing season of 210 days.

When should I plant tomatoes in 35622?

Start tomato seeds indoors around Feb 8 – Feb 22 and set transplants outside around Apr 12 – Apr 26, one to three weeks after the median last frost.

How much rain and snow does 35622 get?

About 62.5 inches of precipitation a year (NOAA 1991–2020 normals, Falkville 5.1 E station).

How hot do summers get in Falkville, AL?

The average high peaks at 88 °F in July, with about 39 days a year at 90 °F or more.

What kind of soil does 35622 have?

The USDA soil survey maps Dewey at the center of ZIP 35622: silty clay loam, well drained, pH about 5.0 (strongly acidic).

Did spring come early in Falkville, AL in 2026?

Spring leaf-out near 35622 came on Feb 16 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 Falkville, AL?

Intermediate onions: the longest day near 35622 is 14 h 27 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 35622 change?

Yes. The 2012 USDA map put 35622 in zone 7b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.