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

Planting zone for 39116 — Mize, MS

ZIP code 39116 (Mize, Smith County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 28 and the first fall frost November 3.

Where ZIP 39116 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 28

First frostNov 3

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 Mize, 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 Mize, MS

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMarch 28median — 50% chance of a later frost

Safe for tender plantsApril 15only 10% chance of frost after

First fall frostNovember 3median — 10% chance by Oct 20

Growing season221 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 12 and returns around November 15.

From the NOAA station Raleigh 6n, MS — 17 miles away, elevation 446 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 39116

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 14 – Feb 28

SpinachSow outdoors · Feb 14 – Mar 7

Broccoli, cabbageStart indoors · Jan 17 – Jan 31

Broccoli, cabbageTransplant · Mar 7 – Mar 21

Onion setsPlant outdoors · Feb 28 – Mar 14

PotatoesPlant outdoors · Mar 7 – Mar 21

LettuceSow outdoors · Feb 28 – Mar 14

Carrots, beetsSow outdoors · Mar 7 – Mar 21

TomatoesStart indoors · Jan 31 – Feb 14

TomatoesTransplant · Apr 4 – Apr 18

Peppers, eggplantStart indoors · Jan 17 – Jan 31

Peppers, eggplantTransplant · Apr 11 – Apr 25

BeansSow outdoors · Apr 4 – Apr 18

Sweet cornSow outdoors · Apr 4 – Apr 18

Cucumbers, squashSow outdoors · Apr 4 – Apr 18

Fall lettuce, spinachSow outdoors · Sep 8 – Sep 22

GarlicPlant cloves · Oct 20 – Nov 24

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 28) and first fall frost (Nov 3) 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 39116 came on Feb 10 — 7 days later than the 1991–2020 average (Feb 3).

average
Feb 32026
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).

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 Mize, MS.

Soil in Mize, MS

The soil mapped at the center of ZIP 39116 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 fine sandy loam, 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 39116; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Mize, MS

Summer high90 °Faverage high, July

Winter low33 °Faverage low, January

Hot days65days a year at 90 °F or more

Freezing nights59nights a year at 32 °F or less

Growing degree days5,281base 50 °F — the season’s usable heat

Longest day14 h 14 mindaylight on June 21

Shortest day10 h 04 mindaylight on December 21

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

Precipitation59.1 inper year, rain and melted snow

Snowfall1 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Raleigh 6n, MS (17 mi away); precipitation: Mize 3sw, MS (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

391688b

Taylorsville, MS · 9 mi

Mount Olive, MS · 13 mi

394228b

Bay Springs, MS · 16 mi

394288b

Collins, MS · 17 mi

391148b

Mendenhall, MS · 17 mi

394808b

Soso, MS · 19 mi

Mississippi planting zones →

Questions about 39116

What planting zone is ZIP code 39116?

ZIP code 39116 (Mize, 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 Mize, MS?

The median last spring frost (32 °F) near 39116 is March 28; after April 15 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Raleigh 6n station.

When is the first frost in Mize, MS?

The median first fall frost near 39116 is November 3, giving a median frost-free growing season of 221 days.

When should I plant tomatoes in 39116?

Start tomato seeds indoors around Jan 31 – Feb 14 and set transplants outside around Apr 4 – Apr 18, one to three weeks after the median last frost.

How much rain and snow does 39116 get?

About 59.1 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals, Mize 3sw station).

How hot do summers get in Mize, MS?

The average high peaks at 90 °F in July, with about 65 days a year at 90 °F or more.

What kind of soil does 39116 have?

The USDA soil survey maps Smithdale at the center of ZIP 39116: fine sandy loam, well drained, pH about 5.0 (strongly acidic).

Did spring come early in Mize, MS in 2026?

Spring leaf-out near 39116 came on Feb 10 in 2026, 7 days later than the 1991–2020 average (Feb 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Mize, MS?

Short-day onions: the longest day near 39116 is 14 h 14 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 39116 change?

Yes. The 2012 USDA map put 39116 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.