Poquoson County, in Virginia, sits in USDA hardiness zone 8b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
A short list that earns its place here — tomato, grape, peanut, and dogwood — with any one site's soil, sun, and drainage making the final cut.
Poquoson County lies within Tidewater & Chesapeake — a regional growing area with its own character.
Grounded in USDA PHZM 2023 · Growable Ground suitability scoring
Poquoson County holds more than one microclimate.
Soils and elevations shift across Poquoson 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.
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Quick Facts
USDA Zones
8b
Last Frost (state avg.)
Mar 20 - May 10
First Frost (state avg.)
Oct 1 - Nov 10
County Area
10K acres
Hardiness Zone Range
Growing Season
Zone maps are averages across Poquoson County. Your yard's slope, trees, and frost pockets shift what actually grows — see your land's exact reading.
Soil in Poquoson County
Across Poquoson County, the ground is predominantly Ultisols, where Craven, Axis, and State are the most extensive named soil series. The soil is generally moderately well drained with a fine sandy loam surface. Topsoil pH runs about 4.8–6.8, moderately acidic. Rainfall drains through hydrologic group D soils.
Soil order
Ultisols
Drainage
Moderately well drained
Prime farmland
0%
Hydric soils
38%
Soil still varies lot by lot — soil types explained.
What Grows in Poquoson County
Plants matched to Poquoson County's USDA zones 8b — each links to its full growing profile.
Growing Challenges in Virginia
What an experienced grower plans around here — each one has a move.
Heavy Piedmont red clay requires amendment
Red clay turns from obstacle to asset with compost and time — and a raised bed lets you harvest while it happens.
Humidity and heat in summer promote disease
Space for airflow, water mornings at the base, and plant resistant varieties — your extension's humid-summer playbook.
Deer pressure is heavy in suburban and rural areas
A proper fence settles it; outside the fence, genuinely deer-resistant plants are the next best defense.
For cultivar selection, pest pressure, and planting-time guidance specific to Virginia, the Virginia Cooperative Extension is the authoritative local source.
Safe to Grow Here?
What the federal record shows across Poquoson County — and how to grow with it.
We checked the federal record across Poquoson County — 22 documented sites across 2 of the 9 source types we track.
The most significant on record: 7 brownfield sites. Former commercial or industrial land where legacy contamination may persist.
The federal record across Poquoson County is light. Growing food here starts from a strong position — a quick pass over the map tells you whether any recorded site sits near your land, and if one does, that's information to plant with, not a reason to stop.
Sources: EPA, USGS — 1.8M 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.
Severity Distribution
across Poquoson County
Highest-Severity Sites
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.
Check your specific parcel in Poquoson 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:
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
Poquoson 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
Read your parcel in Poquoson County
Pull a site-specific report for your exact address in Poquoson County, Virginia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your exact spot that zone averages miss:
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 Poquoson County, Virginia
- USDA Hardiness Zones: 8b (USDA PHZM 2023)
- Last Spring Frost (state avg.): Mar 20 - May 10 (NOAA 30-Year Climate Normals)
- First Fall Frost (state avg.): Oct 1 - Nov 10 (NOAA 30-Year Climate Normals)
- County Land Area: 10K 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 Poquoson 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 Poquoson County, Virginia?
Poquoson 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 Poquoson County?
Poquoson County follows Virginia's statewide frost window: last spring frost around Mar 20 - May 10 and first fall frost around Oct 1 - Nov 10, 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 Poquoson County?
Poquoson County's zone 8b supports a wide range — strong performers include Tomato, Grape, Peanut, Dogwood, and Apple. 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 Poquoson County, really?
Officially, Poquoson 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 Poquoson County?
The federal record around Poquoson County is light — 22 documented sites across the 9 federal source types we checked — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.
Just moved to Poquoson County — what should I know before planting?
Start with three facts. Poquoson County sits in USDA zone 8b, which sets what survives winter; the statewide frost window runs about Mar 20 - May 10 to Oct 1 - Nov 10 (NOAA 30-year climate normals); and the local federal record is light — 22 documented sites across the area we checked. From there, matching plants to your actual soil and sun is the fun part.
Everything on this page is a Poquoson 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 Virginia's frost window, season length, and soil profile against the plant's real requirements.