Havelock, North Carolina, sits in USDA hardiness zone 8b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
On paper, cabbage, fig, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Havelock, 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 Havelock 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 Havelock — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Havelock — the short answer
Havelock, North Carolina: USDA zone 8b, about 275 days between hard freezes, across 11K acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 3
- Craven County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 3
- Craven County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~275
- Craven County normal — NOAA 1991–2020, nearest to this town
- City area
- 11K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are Craven County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Havelock's average, not your lot's — a low corner or a tree line moves it. Against Havelock's 275-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Havelock
Each reading below is measured for Havelock itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsHavelock runs about 275 days between hard freezes (read from Craven County, the closest normal to Havelock) — 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
MeasuredHavelock sits in USDA hardiness zone 8b.
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 Havelock is in
Havelock sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Havelock's own centroid rather than borrowed from Craven County.
What Grows in Havelock
Every plant below cleared Havelock's own zone 8b and its 275-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in Havelock?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Feb 3; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 3 (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 Havelock
Survey cells within 31 miles of Havelock checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 73 miles off. What to watch for.
What's on the federal record near Havelock
Closest first, within ~10 miles of Havelock. Listing isn't leaking, and distance isn't exposure.
- CR-563 CHERRY PT MCAS 9Nitrate · 950 ft
- CR-557 CHERRY PT MCAS 3Nitrate · 1800 ft
- CR-562 CHERRY PT MCAS 8Nitrate · 1900 ft
- MARINE CORPS AIR STATIONToxics Release Inventory · 2200 ft
- MARINE CORPS AIR STATIONBrownfields · 2200 ft
- CR-596 CHERRY PT S2W1Nitrate · 2300 ft
- CR-597 CHERRY PT S2W2Nitrate · 2300 ft
- CR-598 CHERRY PT S2W3Nitrate · 2300 ft
- CR-565 CHERRY PT MCAS 11Nitrate · 2400 ft
- CR-590 CHERRY PT S1W2Nitrate · 2400 ft
- CR-589 CHERRY PT S1W1ANitrate · 2400 ft
- CR-591 CHERRY PT S1W3Nitrate · 2400 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Havelock'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 Havelock.
Sources Checked
within ~10 miles of Havelock
Severity Distribution
within ~10 miles of Havelock
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Havelock, two things run higher than the national average within ~10 miles of Havelock — Nitrate (142 sites) and PFAS (3 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in Havelock
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 Havelock average
Your land is one point inside Havelock
Everything above resolves to Havelock as a whole — one PHZM band, read across 11K acres, with hard-freeze dates borrowed from Craven County’s record because no 30-year normal resolves at this city’s own centroid. 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 city 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 Havelock Average
Havelock Average
- ●USDA Zones 8b, averaged across Havelock
- ●One soil character for all of Havelock
- ●Frost dates read at Havelock's scale: Mar 3 to Dec 3
YOUR Parcel
- ✓Your exact zone, not Havelock's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Havelock
Pull a site-specific report for your exact address in Havelock, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Havelock averages can't show:
We read public map data around Havelock — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Havelock average
How we know this about Havelock
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Craven County’s record, because none resolves here; 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 city grain anywhere on this page — there is no city-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 Havelock
When does frost risk typically end in Havelock?
The last hard freeze (28°F) in Havelock typically lands around Mar 3, 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 24.
When is the first frost in Havelock?
The first hard freeze (28°F) in Havelock 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 275 days after the spring freeze cleared.
How long is the growing season in Havelock?
Measured between 28°F hard freezes, Havelock sees about 275 frost-free days — roughly Mar 3 through Dec 3, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 24 to Nov 19, about 240 days.
Is the soil safe to grow vegetables in Havelock?
The federal record around Havelock is a meaningful one — 256 documented sites, mostly Nitrate entries (142), the nearest Nitrate 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 Havelock?
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 Havelock's scale — its 8b band and its 275-day season. Your yard writes its own version of Havelock'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 Havelock’s own scale
6 of the readings below were taken at Havelock's own scale — the 10,943 acres it covers and 256 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Havelock's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 256 documented contamination sites on the federal record near Havelock, the closest Nitrate record about 0.2 miles out from the town centreFederal environmental registers
- Havelock's boundary and the 10,943 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~275-day seasonGrowable Ground crop-matching engine
- The ecoregion at Havelock's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
- Lanternfly survey cells around Havelock checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Havelock has no normal of its own, so its county's is the closest measured readfrom Craven County
- Soil character — no town-scale survey exists, so Havelock's 10,943 acres read through its county's SSURGO summaryfrom Craven County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Craven 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 Craven County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Havelock's 10,943 acreswhy one lot differs from the next →
- Which side of Havelock you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 10,943 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate 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 Havelock-wide figureread your own land →