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

Planting zone for 39362 — State Line, MS

ZIP code 39362 (State Line, Greene County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 26 and the first fall frost November 8.

Where ZIP 39362 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.

Zone8b15 to 20 °F

Coldest night−9.4 to −6.7 °C

Last frostMar 26

First frostNov 8

2012 zone8a

Was 8a 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 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for State Line, MS…

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 State Line, MS

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMarch 26median — 50% chance of a later frost

Safe for tender plantsApril 11only 10% chance of frost after

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

Growing season228 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 10 and returns around November 20.

From the NOAA station Chatom, AL — 18 miles away, elevation 285 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 39362

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 12 – Feb 26

SpinachSow outdoors · Feb 12 – Mar 5

Broccoli, cabbageStart indoors · Jan 15 – Jan 29

Broccoli, cabbageTransplant · Mar 5 – Mar 19

Onion setsPlant outdoors · Feb 26 – Mar 12

PotatoesPlant outdoors · Mar 5 – Mar 19

LettuceSow outdoors · Feb 26 – Mar 12

Carrots, beetsSow outdoors · Mar 5 – Mar 19

TomatoesStart indoors · Jan 29 – Feb 12

TomatoesTransplant · Apr 2 – Apr 16

Peppers, eggplantStart indoors · Jan 15 – Jan 29

Peppers, eggplantTransplant · Apr 9 – Apr 23

BeansSow outdoors · Apr 2 – Apr 16

Sweet cornSow outdoors · Apr 2 – Apr 16

Cucumbers, squashSow outdoors · Apr 2 – Apr 16

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 26) 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 39362 came on Jan 31 — about the same time as the 1991–2020 average (Jan 31).

average
Jan 312026
Jan 31

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 8b in Mississippi

526 plants native to the lower 48 states, recorded in Mississippi, and rated by the USDA to survive 15 °F or colder — the bottom of zone 8b. 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 State Line, MS.

Soil in State Line, MS

The soil mapped at the center of ZIP 39362 is Cahaba — fine sandy loam, well drained.

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

pH5.3strongly acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter1.25%low — add compost

Hydrologic groupBwater soaks in moderately

Farmland classprime farmlandUSDA classification

Map unit: Cahaba fine sandy loam, 2 to 5 percent slopes, rarely 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 39362; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in State Line, MS

Summer high92 °Faverage high, July

Winter low34 °Faverage low, January

Hot days88days a year at 90 °F or more

Freezing nights51nights a year at 32 °F or less

Growing degree days5,782base 50 °F — the season’s usable heat

Longest day14 h 12 mindaylight on June 21

Shortest day10 h 06 mindaylight on December 21

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

Precipitation62.9 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: Chatom, AL (18 mi away); precipitation: Buckatunna 1 Ne, MS (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

365398b

Fruitdale, AL · 9 mi

393228b

Buckatunna, MS · 10 mi

393248b

Clara, MS · 16 mi

365848b

Vinegar Bend, AL · 16 mi

394518b

Leakesville, MS · 16 mi

Deer Park, AL · 17 mi

Mississippi planting zones →

Questions about 39362

What planting zone is ZIP code 39362?

ZIP code 39362 (State Line, MS) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in State Line, MS?

The median last spring frost (32 °F) near 39362 is March 26; after April 11 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Chatom station.

When is the first frost in State Line, MS?

The median first fall frost near 39362 is November 8, giving a median frost-free growing season of 228 days.

When should I plant tomatoes in 39362?

Start tomato seeds indoors around Jan 29 – Feb 12 and set transplants outside around Apr 2 – Apr 16, one to three weeks after the median last frost.

How much rain and snow does 39362 get?

About 62.9 inches of precipitation a year (NOAA 1991–2020 normals, Buckatunna 1 Ne station).

How hot do summers get in State Line, MS?

The average high peaks at 92 °F in July, with about 88 days a year at 90 °F or more.

What kind of soil does 39362 have?

The USDA soil survey maps Cahaba at the center of ZIP 39362: fine sandy loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in State Line, MS in 2026?

Spring leaf-out near 39362 came on Jan 31 in 2026, about the same as the 1991–2020 average (Jan 31), according to the USA National Phenology Network Spring Index.

What kind of onions grow in State Line, MS?

Short-day onions: the longest day near 39362 is 14 h 12 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 39362 change?

Yes. The 2012 USDA map put 39362 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.