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

Planting zone for 39097 — Louise, MS

ZIP code 39097 (Louise, Humphreys County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 4 and the first fall frost November 24.

Where ZIP 39097 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 4

First frostNov 24

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 Louise, 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 Louise, MS

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMarch 4median — 50% chance of a later frost

Safe for tender plantsMarch 25only 10% chance of frost after

First fall frostNovember 24median — 10% chance by Nov 5

Growing season267 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 15 and returns around December 13.

From the NOAA station Yazoo City 5 Nne, MS — 14 miles away, elevation 108 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 39097

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Jan 21 – Feb 4

SpinachSow outdoors · Jan 21 – Feb 11

Broccoli, cabbageStart indoors · Dec 24 – Jan 7

Broccoli, cabbageTransplant · Feb 11 – Feb 25

Onion setsPlant outdoors · Feb 4 – Feb 18

PotatoesPlant outdoors · Feb 11 – Feb 25

LettuceSow outdoors · Feb 4 – Feb 18

Carrots, beetsSow outdoors · Feb 11 – Feb 25

TomatoesStart indoors · Jan 7 – Jan 21

TomatoesTransplant · Mar 11 – Mar 25

Peppers, eggplantStart indoors · Dec 24 – Jan 7

Peppers, eggplantTransplant · Mar 18 – Apr 1

BeansSow outdoors · Mar 11 – Mar 25

Sweet cornSow outdoors · Mar 11 – Mar 25

Cucumbers, squashSow outdoors · Mar 11 – Mar 25

Fall lettuce, spinachSow outdoors · Sep 29 – Oct 13

GarlicPlant cloves · Nov 10 – Dec 15

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 4) and first fall frost (Nov 24) 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 39097 came on Feb 1 — 5 days earlier than the 1991–2020 average (Feb 6).

average
Feb 62026
Feb 1

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 Louise, MS.

Soil in Louise, MS

The soil mapped at the center of ZIP 39097 is Dowling — silty clay loam, very poorly drained.

TextureSilty clay loamholds water and nutrients; slow to drain and warm up

pH5.0strongly acidic; most vegetables like 6.0–7.0

DrainageVery poorly drainedconsider raised beds

Organic matter2.5%moderate

Hydrologic groupDwater soaks in very slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Dowling soils (alligator).

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 39097; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Louise, MS

Summer high95 °Faverage high, August

Winter low39 °Faverage low, January

Hot days90days a year at 90 °F or more

Freezing nights36nights a year at 32 °F or less

Growing degree days6,875base 50 °F — the season’s usable heat

Longest day14 h 20 mindaylight on June 21

Shortest day9 h 58 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation60.4 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: Yazoo City 5 Nne, MS (14 mi away); precipitation: Yazoo City 5 Nne, MS (14 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

Silver City, MS · 9 mi

391948b

Yazoo City, MS · 11 mi

390618b

Delta City, MS · 13 mi

390388b

Belzoni, MS · 17 mi

387658b

Panther Burn, MS · 17 mi

387548b

Isola, MS · 18 mi

Mississippi planting zones →

Questions about 39097

What planting zone is ZIP code 39097?

ZIP code 39097 (Louise, 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 Louise, MS?

The median last spring frost (32 °F) near 39097 is March 4; after March 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Yazoo City 5 Nne station.

When is the first frost in Louise, MS?

The median first fall frost near 39097 is November 24, giving a median frost-free growing season of 267 days.

When should I plant tomatoes in 39097?

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

How much rain and snow does 39097 get?

About 60.4 inches of precipitation a year (NOAA 1991–2020 normals, Yazoo City 5 Nne station).

How hot do summers get in Louise, MS?

The average high peaks at 95 °F in August, with about 90 days a year at 90 °F or more.

What kind of soil does 39097 have?

The USDA soil survey maps Dowling at the center of ZIP 39097: silty clay loam, very poorly drained, pH about 5.0 (strongly acidic).

Did spring come early in Louise, MS in 2026?

Spring leaf-out near 39097 came on Feb 1 in 2026, 5 days earlier than the 1991–2020 average (Feb 6), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Louise, MS?

Intermediate onions: the longest day near 39097 is 14 h 20 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 39097 change?

Yes. The 2012 USDA map put 39097 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.