What Grows in Forrest County, Mississippi

USDA Zones 8b · 298K acres

Forrest County, in Mississippi, sits in USDA hardiness zone 8b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.

Growers here do well with pecan, okra, muscadine grape, and magnolia — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.

Grounded in USDA PHZM 2023 · Growable Ground suitability scoring

Score your parcel · free

Forrest County holds more than one microclimate.

Soils and elevations shift across Forrest County, so your frost dates and drainage aren't the county average. Enter your address and we'll score 1,112 plants against your land's actual soil, sun, and frost.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

No card required · your full report in seconds

Quick Facts

USDA Zones

8b

Last Frost (state avg.)

Feb 28 - Mar 30

First Frost (state avg.)

Oct 25 - Nov 20

County Area

298K acres

Hardiness Zone Range

8b8b
3a (Cold)13b (Hot)

Growing Season

J
F
M
A
M
J
J
A
S
O
N
D
Last frost: Feb 28 - Mar 30First frost: Oct 25 - Nov 20

Zone maps are averages across Forrest County. Your yard's slope, trees, and frost pockets shift what actually grows — see your land's exact reading.

Soil in Forrest County

Across Forrest County, the ground is predominantly Ultisols, where McLaurin, Heidel, and Benndale are the most extensive named soil series. The soil is generally well drained with a fine sandy loam surface. Topsoil pH runs about 5.0, very strongly acidic. Rainfall drains through hydrologic group B soils.

Soil order

Ultisols

Drainage

Well drained

Prime farmland

29%

Hydric soils

14%

Soil still varies lot by lot — soil types explained.

Growing Challenges in Mississippi

What an experienced grower plans around here — each one has a move.

Extreme summer heat and humidity

Run the garden on the generous spring and fall windows — and let summer belong to okra, peas, and sweet potatoes.

Heavy alluvial clay in the Delta region

Delta clay is rich but slow to drain — raised rows get roots above the wet while keeping that fertility in reach.

Frequent severe storms and flooding

Site beds on the high ground, mound the rows, and keep water moving — drainage planning is storm insurance.

For cultivar selection, pest pressure, and planting-time guidance specific to Mississippi, the Mississippi State University Extension Service is the authoritative local source.

Safe to Grow Here?

What the federal record shows across Forrest County — and how to grow with it.

Federal record: High

We checked the federal record across Forrest County502 documented sites across 6 of the 9 source types we track.

The most significant on record: 5 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Forrest County carries one of the heavier federal records we track — and that's not a verdict on your yard. Proximity to a documented site is information, not a diagnosis: nothing here says any particular parcel is affected. It does earn one concrete step — before food beds go in the ground, a professional soil test tells you exactly what you're working with, and raised beds with clean imported soil grow well almost anywhere in the meantime.

Sources: EPA, USGS1.8M documented sites tracked nationwide across 9 federal source types.

Environmental Intelligence

Understanding what's nearby helps you make informed decisions about where and how to grow.

Total Sites

502

across Forrest County

Risk Level

High

Highest-severity

5 Superfund sites

Severity Distribution

across Forrest County

High7Moderate177Low318

Highest-Severity Sites

Chapman Residential Mercury
Superfund · Superfund (Non-NPL)
City of Hattiesburg
PFAS Sampling · PFAS Detected
Glendale Utility District
PFAS Sampling · PFAS Detected
Hercules INC
Superfund · Superfund NPL
Kansas City Southern Railroad Derailment
Superfund · Superfund (Non-NPL)

Know Before You Grow

  • Underground tanks can leak petroleum products. Soil testing near former gas stations is recommended.
  • Raised beds with imported soil can reduce exposure risk near brownfield sites.
  • Test well water for nitrates if you rely on a private well. Levels above 10 mg/L require treatment.
Free Report

Check your specific parcel in Forrest County

Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,112 plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Your Specific Parcel Matters

Forrest County Average

  • USDA Zones 8b
  • Generic soil type for the area
  • State-average frost dates

YOUR Parcel

  • Your exact hardiness zone
  • Your SSURGO soil type & pH
  • Your sun exposure, cast in 3D

See MY Growing Report

Free Report

Read your parcel in Forrest County

Pull a site-specific report for your exact address in Forrest County, Mississippi — soil, sun, drainage, frost risk, and scored plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Key Growing Facts for Forrest County, Mississippi

  • USDA Hardiness Zones: 8b (USDA PHZM 2023)
  • Last Spring Frost (state avg.): Feb 28 - Mar 30 (NOAA 30-Year Climate Normals)
  • First Fall Frost (state avg.): Oct 25 - Nov 20 (NOAA 30-Year Climate Normals)
  • County Land Area: 298K acres (US Census TIGER 2025)

Zone data: USDA ARS Plant Hardiness Zone Map 2023. Climate data: NOAA NCEI. County boundaries: US Census TIGER/Line 2025.

Frost dates here are the Forrest County average. Low spots and tree cover move them by days on any one yard — see your exact frost windows.

Frequently Asked Questions

What hardiness zone is Forrest County, Mississippi?

Forrest County sits in USDA hardiness zone 8b, per the USDA Plant Hardiness Zone Map 2023. Zones reflect average annual extreme minimum temperatures from 1991–2020 weather data.

When does frost risk typically end in Forrest County?

Forrest County follows Mississippi's statewide frost window: last spring frost around Feb 28 - Mar 30 and first fall frost around Oct 25 - Nov 20, per NOAA 30-year climate normals (1991–2020). Frost dates shift with elevation and local microclimate, so watch your own site's cold pockets.

What vegetables grow in Forrest County?

Forrest County's zone 8b supports a wide range — strong performers include Pecan, Okra, Muscadine Grape, Magnolia, and Sweet Potato. What actually takes on any one site comes down to its soil, sun, and drainage, and we score each plant against the real conditions at your address.

Which hardiness zone is Forrest County, really?

Officially, Forrest County sits in USDA zone 8b (USDA PHZM 2023) — but a zone is a 30-year average of winter's coldest night across an area, and it can't see any one yard. A south-facing slope, a tree line, or a low frost pocket can shift a single site by half a zone either way, which is why neighboring gardeners often quote different numbers. We read the conditions at your exact address — soil, sun, slope, and frost — and score 1,112 plants against what's actually there.

Is the soil safe to grow vegetables in Forrest County?

The federal record around Forrest County runs heavier than most — 502 documented sites — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.

Just moved to Forrest County — what should I know before planting?

Start with three facts. Forrest County sits in USDA zone 8b, which sets what survives winter; the statewide frost window runs about Feb 28 - Mar 30 to Oct 25 - Nov 20 (NOAA 30-year climate normals); and 502 documented sites sit on the federal record here, so a soil test before food beds is the smart first step. From there, matching plants to your actual soil and sun is the fun part.

Everything on this page is a Forrest County average. Your yard writes its own version — we read soil, sun, drainage, and frost at your exact address. Try it for 14 days — no card required.

Will It Grow Here?

Zone fit is the first question — each answer below reads Mississippi's frost window, season length, and soil profile against the plant's real requirements.