Southern Gateway, Virginia, sits in USDA hardiness zone 7a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Well-matched crops include cabbage, hazelnut, california poppy, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Southern Gateway, no two yards are alike.
A low spot, a south-facing slope, or a stand of trees moves the frost date and sun across a single Southern Gateway lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.
We read public map data around Southern Gateway — soil, climate, flood, and parcel records. How we handle your address.
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Southern Gateway — the short answer
Southern Gateway, Virginia: USDA zone 7a, about 226 days between hard freezes, across 2K acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 26
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 7
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~226
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 2K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 7a is Southern Gateway's average, not your lot's — a low corner or a tree line moves it. Against Southern Gateway's 226-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Southern Gateway
Each reading below is measured for Southern Gateway itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredSouthern Gateway runs about 226 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals

Winter hardiness
MeasuredSouthern Gateway sits in USDA hardiness zone 7a.
The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.
Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.
USDA PHZM 2023
The kind of country Southern Gateway is in
Southern Gateway sits in the Southeastern Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Southern Gateway's own centroid, and it is not what its county reads: Stafford County is mostly Piedmont. The wider page above you is answering a different question about different ground.
What Grows in Southern Gateway
Every plant below cleared Southern Gateway's own zone 7a and its 226-day season. Each card opens that plant's Virginia profile. How we score.






























Is it too late to plant in Southern Gateway?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 26; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 26 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 7 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
Documented around Southern Gateway
Spotted lanternfly documented 14 miles from Southern Gateway, first recorded 2023. What to watch for.
What's on the federal record near Southern Gateway
Closest first, within ~10 miles of Southern Gateway. Listing isn't leaking, and distance isn't exposure.
- EAST COAST OIL CORPBrownfields · 1100 ft
- MAPCO Express 4050Underground Storage Tanks · 1100 ft
- TITAN VIRGINIA READY MIX LLC - STAFFORDToxics Release Inventory · 1500 ft
- FALMOUTH Q STOPBrownfields · 1600 ft
- Falmouth Shell (formerly Q Stop 618)Underground Storage Tanks · 1600 ft
- EXXON S/S #2-5729Underground Storage Tanks · 1700 ft
- EXXON CO USA #25729Brownfields · 1700 ft
- Wilson Trucking CorporationUnderground Storage Tanks · 1800 ft
- SEIBERTS FALMOUTH CITGOBrownfields · 1800 ft
- J&H AITCHESON, INCUnderground Storage Tanks · 1800 ft
- PMG NVA Shell 9014Underground Storage Tanks · 1900 ft
- 534 Service StationUnderground Storage Tanks · 1900 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Southern Gateway's center, not your beds. Run your own address for what's upwind of you specifically.
Environmental Intelligence
The counts behind that headline — every source type on the record near Southern Gateway.
Total Sites
831
within ~10 miles of Southern Gateway
Risk Level
Elevated
Highest-severity
1 Superfund site
Sources Checked
within ~10 miles of Southern Gateway
Severity Distribution
within ~10 miles of Southern Gateway
Highest-Severity Sites
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •Near a brownfield, raised beds of imported soil give your food clean ground.
- •TRI facilities report what they release. Check the wind — downwind beds catch more of it.
Check your specific parcel in Southern Gateway
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.
25+ data sources read at your address, not the Southern Gateway average
Your land is one point inside Southern Gateway
Everything above resolves to Southern Gateway as a whole — one PHZM band and one 28°F frost record, read across 2K acres. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at town scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.
Your Lot vs the Southern Gateway Average
Southern Gateway Average
- ●USDA Zones 7a, averaged across Southern Gateway
- ●One soil character for all of Southern Gateway
- ●Frost dates read at Southern Gateway's scale: Mar 26 to Nov 7
YOUR Parcel
- ✓Your exact zone, not Southern Gateway's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Southern Gateway
Pull a site-specific report for your exact address in Southern Gateway, Virginia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Southern Gateway averages can't show:
We read public map data around Southern Gateway — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Southern Gateway average
How we know this about Southern Gateway
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Southern Gateway’s own record; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at town grain anywhere on this page — there is no town-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.
Common questions about Southern Gateway
When does frost risk typically end in Southern Gateway?
The last hard freeze (28°F) in Southern Gateway typically lands around Mar 26, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about Apr 16.
When is the first frost in Southern Gateway?
The first hard freeze (28°F) in Southern Gateway typically arrives around Nov 7, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 24, so the watching starts about Oct 8 — about 226 days after the spring freeze cleared.
How long is the growing season in Southern Gateway?
Measured between 28°F hard freezes, Southern Gateway sees about 226 frost-free days — roughly Mar 26 through Nov 7, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 16 to Oct 24, about 191 days.
Is the soil safe to grow vegetables in Southern Gateway?
The federal record around Southern Gateway is a meaningful one — 831 documented sites, mostly Underground Storage Tanks entries (490), the nearest Brownfields record about 0.2 miles out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Southern Gateway?
From about Oct 8 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Nov 7 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Nov 7. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Southern Gateway's scale — its 7a band and its 226-day season. Your yard writes its own version of Southern Gateway's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
What this page reads at Southern Gateway’s own scale
7 of the readings below were taken at Southern Gateway's own scale — its own ~226-day season between 28°F freezes, the 2,057 acres it covers and 831 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Southern Gateway's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Southern Gateway's own 28°F hard-freeze dates, about Mar 26 and Nov 7 and the ~226-day span between themNOAA 1991–2020 Climate Normals
- 831 documented contamination sites on the federal record near Southern Gateway, the closest Brownfields record about 0.2 miles out from the town centreFederal environmental registers
- Southern Gateway's boundary and the 2,057 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~226-day seasonGrowable Ground crop-matching engine
- Southern Gateway sits in the Southeastern Plains — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Southern Gatewaylydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Southern Gateway's 2,057 acres read through its county's SSURGO summaryfrom Stafford County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Stafford County
- The growing challenges every Virginia grower plans around — written at state scale, so they stay on the state guidefrom Virginia
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Stafford County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Southern Gateway's 2,057 acreswhy one lot differs from the next →
- Which side of Southern Gateway you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,057 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.2 miles out, measured from the town centrehow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any Southern Gateway-wide figureread your own land →
More in Virginia
Wider growing context
What grows across VirginiaSouthern Gateway sits outside our named growing regions, so Virginia as a whole is its closest context here.
Nearby growing guides
