Calabash, North Carolina, sits in USDA hardiness zone 8b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
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 Calabash, 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 Calabash 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 Calabash — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Calabash — the short answer
Calabash, North Carolina: USDA zone 8b, about 265 days between hard freezes, across 5K acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 8
- Brunswick County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 28
- Brunswick County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~265
- Brunswick County normal — NOAA 1991–2020, nearest to this town
- Town area
- 5K 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 Brunswick County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Calabash's average, not your lot's — a low corner or a tree line moves it. Against Calabash's 265-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Calabash
Each reading below is measured for Calabash itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsCalabash runs about 265 days between hard freezes (read from Brunswick County, the closest normal to Calabash) — 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
MeasuredCalabash 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 Calabash is in
Calabash sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Calabash's own centroid rather than borrowed from Brunswick County.
What Grows in Calabash
Every plant below cleared Calabash's own zone 8b and its 265-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in Calabash?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Feb 8; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 8 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 28 — 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 Calabash
Survey cells within 31 miles of Calabash checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 44 miles off. What to watch for.
What's on the federal record near Calabash
Closest first, within ~10 miles of Calabash. Listing isn't leaking, and distance isn't exposure.
- MINUTEMAN 15Underground Storage Tanks · 0.8 mi
- BONABABTE MARINAUnderground Storage Tanks · 1.7 mi
- BR-263Nitrate · 1.7 mi
- LOVE CLEANERS, INCORPORATEDBrownfields · 1.8 mi
- MOORES CALABASH GROCERYUnderground Storage Tanks · 1.8 mi
- JIMMY'S PANTRYUnderground Storage Tanks · 1.8 mi
- BR-033Nitrate · 1.8 mi
- H & S BROTHERS AMOCO-CONV STOREUnderground Storage Tanks · 2.1 mi
- EAGLE ONE GAS & GO MART/ELITE BUSINESS SOLUTIONSUnderground Storage Tanks · 2.2 mi
- CVS PHARMACY #7420Brownfields · 2.4 mi
- NORTHSTAR CAROLINAUnderground Storage Tanks · 2.5 mi
- BONAPARTE SEAFOODUnderground Storage Tanks · 2.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Calabash'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 Calabash.
Total Sites
219
within ~10 miles of Calabash
Risk Level
Elevated
Highest-severity
3 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Calabash
Severity Distribution
within ~10 miles of Calabash
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.
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
Check your specific parcel in Calabash
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 Calabash average
Your land is one point inside Calabash
Everything above resolves to Calabash as a whole — one PHZM band, read across 5K acres, with hard-freeze dates borrowed from Brunswick County’s record because no 30-year normal resolves at this town’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 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 Calabash Average
Calabash Average
- ●USDA Zones 8b, averaged across Calabash
- ●One soil character for all of Calabash
- ●Frost dates read at Calabash's scale: Mar 8 to Nov 28
YOUR Parcel
- ✓Your exact zone, not Calabash's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Calabash
Pull a site-specific report for your exact address in Calabash, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Calabash averages can't show:
We read public map data around Calabash — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Calabash average
How we know this about Calabash
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 Brunswick 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 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 Calabash
When does frost risk typically end in Calabash?
The last hard freeze (28°F) in Calabash typically lands around Mar 8, 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 29.
When is the first frost in Calabash?
The first hard freeze (28°F) in Calabash typically arrives around Nov 28, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 14, so the watching starts about Oct 29 — about 265 days after the spring freeze cleared.
How long is the growing season in Calabash?
Measured between 28°F hard freezes, Calabash sees about 265 frost-free days — roughly Mar 8 through Nov 28, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 29 to Nov 14, about 230 days.
Is the soil safe to grow vegetables in Calabash?
The federal record around Calabash is a meaningful one — 219 documented sites, mostly Underground Storage Tanks entries (132), the nearest Underground Storage Tanks record about 0.8 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 Calabash?
From about Oct 29 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 28 (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 28. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Calabash's scale — its 8b band and its 265-day season. Your yard writes its own version of Calabash'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 Calabash’s own scale
6 of the readings below were taken at Calabash's own scale — the 4,666 acres it covers and 219 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Calabash's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 219 documented contamination sites on the federal record near Calabash, the closest Underground Storage Tanks record about 0.8 miles out from the town centreFederal environmental registers
- Calabash's boundary and the 4,666 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~265-day seasonGrowable Ground crop-matching engine
- The ecoregion at Calabash's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
- Lanternfly survey cells around Calabash checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Calabash has no normal of its own, so its county's is the closest measured readfrom Brunswick County
- Soil character — no town-scale survey exists, so Calabash's 4,666 acres read through its county's SSURGO summaryfrom Brunswick County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Brunswick 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 Brunswick County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Calabash's 4,666 acreswhy one lot differs from the next →
- Which side of Calabash you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 4,666 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.8 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 Calabash-wide figureread your own land →