Harborton, Virginia, sits in USDA hardiness zone 8a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
These conditions suit cabbage, fig, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Harborton, 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 Harborton 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 Harborton — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Harborton — the short answer
Harborton, Virginia: USDA zone 8a, about 269 days between hard freezes, across 243 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 9
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Dec 3
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~269
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 243 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 8a is Harborton's average, not your lot's — a low corner or a tree line moves it. Against Harborton's 269-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Harborton
Each reading below is measured for Harborton itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredHarborton runs about 269 days between hard freezes — close to year-round growing.
Frost is rarely the limit here; winter plantings are as real as summer ones, and the harder question is which crops shrug off the summer heat.
Grow cool-season crops through the mild winter, and choose heat-tolerant varieties for the summer beds.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredHarborton sits in USDA hardiness zone 8a.
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 Harborton is in
Harborton sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Harborton's own centroid rather than borrowed from Accomack County.
What Grows in Harborton
Every plant below cleared Harborton's own zone 8a and its 269-day season. Each card opens that plant's Virginia profile. How we score.
Is it too late to plant in Harborton?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 9; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 9 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 3 — long-season crops need about 90 days of runway, quick greens only 30. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.
Documented around Harborton
Survey cells within 31 miles of Harborton checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 43 miles off. What to watch for.
What's on the federal record near Harborton
Closest first, within ~10 miles of Harborton. Listing isn't leaking, and distance isn't exposure.
- Harborton General StoreUnderground Storage Tanks · 0.5 mi
- Eeastern Shore Yacht & Country ClubUnderground Storage Tanks · 0.7 mi
- 64K 3Nitrate · 2.2 mi
- GUYS MARKETUnderground Storage Tanks · 2.2 mi
- HERMAN GIDDINGS STOREUnderground Storage Tanks · 2.3 mi
- SOUTH ACCOMACK ELEMENTARY SCHOOLUnderground Storage Tanks · 2.3 mi
- A. Wilson Custis ContractorUnderground Storage Tanks · 3.6 mi
- C R BURR & COUnderground Storage Tanks · 3.7 mi
- 64K 38Nitrate · 4.0 mi
- Accomack County AirportUnderground Storage Tanks · 4.2 mi
- 64K 33Nitrate · 4.2 mi
- 64K 34Nitrate · 4.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Harborton'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 Harborton.
Total Sites
178
within ~10 miles of Harborton
Risk Level
Moderate
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Harborton
Severity Distribution
within ~10 miles of Harborton
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Harborton, Underground Storage Tanks runs higher than the national average — 133 sites within ~10 miles of Harborton. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Harborton
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 Harborton average
Your land is one point inside Harborton
Everything above resolves to Harborton as a whole — one PHZM band and one 28°F frost record, read across 243 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 Harborton Average
Harborton Average
- ●USDA Zones 8a, averaged across Harborton
- ●One soil character for all of Harborton
- ●Frost dates read at Harborton's scale: Mar 9 to Dec 3
YOUR Parcel
- ✓Your exact zone, not Harborton's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Harborton
Pull a site-specific report for your exact address in Harborton, Virginia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Harborton averages can't show:
We read public map data around Harborton — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Harborton average
How we know this about Harborton
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 Harborton’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 Harborton
When does frost risk typically end in Harborton?
The last hard freeze (28°F) in Harborton typically lands around Mar 9, 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 Mar 30.
When is the first frost in Harborton?
The first hard freeze (28°F) in Harborton typically arrives around Dec 3, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 19, so the watching starts about Nov 3 — about 269 days after the spring freeze cleared.
How long is the growing season in Harborton?
Measured between 28°F hard freezes, Harborton sees about 269 frost-free days — roughly Mar 9 through Dec 3, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 30 to Nov 19, about 234 days.
Is the soil safe to grow vegetables in Harborton?
The federal record around Harborton shows 178 documented sites, mostly Underground Storage Tanks entries (133), the nearest Underground Storage Tanks record about 0.5 miles out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Harborton?
From about Nov 3 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 Dec 3 (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 Dec 3. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Harborton's scale — its 8a band and its 269-day season. Your yard writes its own version of Harborton'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 Harborton’s own scale
7 of the readings below were taken at Harborton's own scale — its own ~269-day season between 28°F freezes, the 243 acres it covers and 178 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Harborton's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Harborton's own 28°F hard-freeze dates, about Mar 9 and Dec 3 and the ~269-day span between themNOAA 1991–2020 Climate Normals
- 178 documented contamination sites on the federal record near Harborton, the closest Underground Storage Tanks record about 0.5 miles out from the town centreFederal environmental registers
- Harborton's boundary and the 243 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~269-day seasonGrowable Ground crop-matching engine
- The ecoregion at Harborton's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
- Lanternfly survey cells around Harborton checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Harborton's 243 acres read through its county's SSURGO summaryfrom Accomack County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Accomack 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 Accomack County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Harborton's 243 acreswhy one lot differs from the next →
- Which side of Harborton you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 243 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.5 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 Harborton-wide figureread your own land →