Seagrove, North Carolina, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Expect cabbage, fig, california poppy, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Seagrove, 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 Seagrove 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 Seagrove — soil, climate, flood, and parcel records. How we handle your address.
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Seagrove — the short answer
Seagrove, North Carolina: USDA zone 8a, about 248 days between hard freezes, across 733 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 16
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 19
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~248
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 733 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 Seagrove's average, not your lot's — a low corner or a tree line moves it. Against Seagrove's 248-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Seagrove
Each reading below is measured for Seagrove itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSeagrove runs about 248 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
MeasuredSeagrove 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 Seagrove is in
Seagrove sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Seagrove's own centroid rather than borrowed from Randolph County.
What Grows in Seagrove
Every plant below cleared Seagrove's own zone 8a and its 248-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in Seagrove?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Feb 16; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 16 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 19 — 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 Seagrove
Spotted lanternfly documented 31 miles from Seagrove, first recorded 2022. What to watch for.
What's on the federal record near Seagrove
Closest first, within ~10 miles of Seagrove. Listing isn't leaking, and distance isn't exposure.
- KENNEDY BROTHERS STATIONUnderground Storage Tanks · 650 ft
- TRIANGLE SERVICE STA.Underground Storage Tanks · 1200 ft
- OLD FRAME SHOPUnderground Storage Tanks · 1200 ft
- ERECT GROCERYUnderground Storage Tanks · 1200 ft
- C&A REPAIR SERVICEUnderground Storage Tanks · 1200 ft
- LUCK'S INC.Underground Storage Tanks · 1200 ft
- QUIK CHEK 26Underground Storage Tanks · 2100 ft
- QUIK CHEK 15Underground Storage Tanks · 2100 ft
- MOLL INDUSTRIES, INC., MID-STATE PLASTIBrownfields · 0.7 mi
- GRAVE'S PROPERTYSuperfund · 0.8 mi
- CASSIDY'S GROCERYUnderground Storage Tanks · 2.3 mi
- SEAGROVE ECONOUnderground Storage Tanks · 2.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Seagrove'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 Seagrove.
Total Sites
115
within ~10 miles of Seagrove
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Seagrove
Severity Distribution
within ~10 miles of Seagrove
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Seagrove, Nitrate runs higher than the national average — 36 sites within ~10 miles of Seagrove. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Seagrove
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 Seagrove average
Your land is one point inside Seagrove
Everything above resolves to Seagrove as a whole — one PHZM band and one 28°F frost record, read across 733 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 Seagrove Average
Seagrove Average
- ●USDA Zones 8a, averaged across Seagrove
- ●One soil character for all of Seagrove
- ●Frost dates read at Seagrove's scale: Mar 16 to Nov 19
YOUR Parcel
- ✓Your exact zone, not Seagrove's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Seagrove
Pull a site-specific report for your exact address in Seagrove, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Seagrove averages can't show:
We read public map data around Seagrove — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Seagrove average
How we know this about Seagrove
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 Seagrove’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 Seagrove
When does frost risk typically end in Seagrove?
The last hard freeze (28°F) in Seagrove typically lands around Mar 16, 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 6.
When is the first frost in Seagrove?
The first hard freeze (28°F) in Seagrove typically arrives around Nov 19, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 5, so the watching starts about Oct 20 — about 248 days after the spring freeze cleared.
How long is the growing season in Seagrove?
Measured between 28°F hard freezes, Seagrove sees about 248 frost-free days — roughly Mar 16 through Nov 19, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 6 to Nov 5, about 213 days.
Is the soil safe to grow vegetables in Seagrove?
The federal record around Seagrove is a meaningful one — 115 documented sites, mostly Underground Storage Tanks entries (62), the nearest Underground Storage Tanks record about 0.1 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 Seagrove?
From about Oct 20 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 19 (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 19. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Seagrove's scale — its 8a band and its 248-day season. Your yard writes its own version of Seagrove'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 Seagrove’s own scale
7 of the readings below were taken at Seagrove's own scale — its own ~248-day season between 28°F freezes, the 733 acres it covers and 115 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Seagrove's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Seagrove's own 28°F hard-freeze dates, about Mar 16 and Nov 19 and the ~248-day span between themNOAA 1991–2020 Climate Normals
- 115 documented contamination sites on the federal record near Seagrove, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Seagrove's boundary and the 733 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~248-day seasonGrowable Ground crop-matching engine
- The ecoregion at Seagrove's own centroid, the PiedmontUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Seagrovelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Seagrove's 733 acres read through its county's SSURGO summaryfrom Randolph County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Randolph County
- The growing challenges every North Carolina grower plans around — written at state scale, so they stay on the state guidefrom North Carolina
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Randolph County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Seagrove's 733 acreswhy one lot differs from the next →
- Which side of Seagrove you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 733 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.1 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 Seagrove-wide figureread your own land →
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