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

Planting zone for 35098 — Logan, AL

ZIP code 35098 (Logan, Cullman 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 35098 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 Logan, 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 Logan, 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 — 11 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 35098

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 35098 came on Feb 18 — 3 days later than the 1991–2020 average (Feb 15).

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 Logan, AL

The soil mapped at the center of ZIP 35098 is Pottsville (Montevallo) — channery silt loam, well drained.

TextureChannery silt loama good balance for most vegetables
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Pottsville (Montevallo) channery silt loam, 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 35098; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Logan, 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
Precipitation59 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″1″2″3″4″5″6″January: 5.71 in precipitation 5.7 JanFebruary: 5.58 in precipitation 5.6 FebMarch: 5.66 in precipitation 5.7 MarApril: 5.61 in precipitation 5.6 AprMay: 5.23 in precipitation 5.2 MayJune: 4.52 in precipitation 4.5 JunJuly: 4.51 in precipitation 4.5 JulAugust: 4.05 in precipitation 4.0 AugSeptember: 4.08 in precipitation 4.1 SepOctober: 3.71 in precipitation 3.7 OctNovember: 4.43 in precipitation 4.4 NovDecember: 5.90 in precipitation 5.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Addison, AL (11 mi away); precipitation: Cullman 7.5 Sw, AL (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

350538a
Crane Hill, AL · 5 mi
350578a
Cullman, AL · 7 mi
355418a
Arley, AL · 9 mi
351798a
Vinemont, AL · 10 mi
355407b
Addison, AL · 10 mi
350568a
Cullman, AL · 11 mi
350778a
Hanceville, AL · 14 mi
355728a
Houston, AL · 15 mi

Alabama planting zones →

Questions about 35098

What planting zone is ZIP code 35098?

ZIP code 35098 (Logan, 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 Logan, AL?

The median last spring frost (32 °F) near 35098 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 Logan, AL?

The median first fall frost near 35098 is November 1, giving a median frost-free growing season of 210 days.

When should I plant tomatoes in 35098?

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 35098 get?

About 59 inches of precipitation a year (NOAA 1991–2020 normals, Cullman 7.5 Sw station).

How hot do summers get in Logan, 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 35098 have?

The USDA soil survey maps Pottsville (Montevallo) at the center of ZIP 35098: channery silt loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in Logan, AL in 2026?

Spring leaf-out near 35098 came on Feb 18 in 2026, 3 days later than the 1991–2020 average (Feb 15), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Logan, AL?

Intermediate onions: the longest day near 35098 is 14 h 26 min, so day-neutral types bulb best; long-day varieties may not bulb fully.