Watha, North Carolina, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
The conditions favor cabbage, fig, california poppy, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Watha, 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 Watha 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 Watha — soil, climate, flood, and parcel records. How we handle your address.
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Watha — the short answer
Watha, North Carolina: USDA zone 8a, about 249 days between hard freezes, across 870 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 16
- Pender County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 20
- Pender County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~249
- Pender County normal — NOAA 1991–2020, nearest to this town
- Town area
- 870 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 Pender County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8a is Watha's average, not your lot's — a low corner or a tree line moves it. Against Watha's 249-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Watha
Each reading below is measured for Watha itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsWatha runs about 249 days between hard freezes (read from Pender County, the closest normal to Watha) — 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
MeasuredWatha 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 Watha is in
Watha sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Watha's own centroid rather than borrowed from Pender County.
What Grows in Watha
Every plant below cleared Watha's own zone 8a and its 249-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in Watha?
Rarely: the season closes in stages, not all at once, and each stage has its crops. 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 20 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
Documented around Watha
Spotted lanternfly documented 29 miles from Watha, first recorded 2023. What to watch for.
What's on the federal record near Watha
Closest first, within ~10 miles of Watha. Listing isn't leaking, and distance isn't exposure.
- JIMMIE ANDERSON'S GROCERYUnderground Storage Tanks · 0.7 mi
- PIEDMONT NATURAL GAS - VAN EDENBrownfields · 1.6 mi
- TERRY'S GROCERYUnderground Storage Tanks · 2.9 mi
- DOROTHY L BROTHERS PROPERTYUnderground Storage Tanks · 2.9 mi
- D.Q. SMITH MARTUnderground Storage Tanks · 2.9 mi
- R.G. JOHNSONUnderground Storage Tanks · 3.5 mi
- UNION RESCUEUnderground Storage Tanks · 3.5 mi
- PENDERLEA FIRE DEPARTMENTUnderground Storage Tanks · 3.5 mi
- ATKINSON MINUTE MARTUnderground Storage Tanks · 3.9 mi
- PENDERLEA MINI MARTUnderground Storage Tanks · 4.7 mi
- PENDER COUNTY UTILITIESPFAS · 4.8 mi
- PE-008Nitrate · 4.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Watha'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 Watha.
Total Sites
163
within ~10 miles of Watha
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Watha
Severity Distribution
within ~10 miles of Watha
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Watha, two things run higher than the national average within ~10 miles of Watha — PFAS (3 sites) and Underground Storage Tanks (123 sites). That's not a problem with your land — it's information about it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Watha
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 Watha average
Your land is one point inside Watha
Everything above resolves to Watha as a whole — one PHZM band, read across 870 acres, with hard-freeze dates borrowed from Pender 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 Watha Average
Watha Average
- ●USDA Zones 8a, averaged across Watha
- ●One soil character for all of Watha
- ●Frost dates read at Watha's scale: Mar 16 to Nov 20
YOUR Parcel
- ✓Your exact zone, not Watha's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Watha
Pull a site-specific report for your exact address in Watha, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Watha averages can't show:
We read public map data around Watha — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Watha average
How we know this about Watha
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 Pender 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 Watha
When does frost risk typically end in Watha?
The last hard freeze (28°F) in Watha 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 Watha?
The first hard freeze (28°F) in Watha typically arrives around Nov 20, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 6, so the watching starts about Oct 21 — about 249 days after the spring freeze cleared.
How long is the growing season in Watha?
Measured between 28°F hard freezes, Watha sees about 249 frost-free days — roughly Mar 16 through Nov 20, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 6 to Nov 6, about 214 days.
Is the soil safe to grow vegetables in Watha?
The federal record around Watha is a meaningful one — 163 documented sites, mostly Underground Storage Tanks entries (123), the nearest Underground Storage Tanks record about 0.7 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 Watha?
From about Oct 21 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 20 (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 20. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Watha's scale — its 8a band and its 249-day season. Your yard writes its own version of Watha'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 Watha’s own scale
6 of the readings below were taken at Watha's own scale — the 870 acres it covers and 163 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Watha's own USDA hardiness band, zones 8aUSDA PHZM 2023
- 163 documented contamination sites on the federal record near Watha, the closest Underground Storage Tanks record about 0.7 miles out from the town centreFederal environmental registers
- Watha's boundary and the 870 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~249-day seasonGrowable Ground crop-matching engine
- The ecoregion at Watha's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Wathalydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Watha has no normal of its own, so its county's is the closest measured readfrom Pender County
- Soil character — no town-scale survey exists, so Watha's 870 acres read through its county's SSURGO summaryfrom Pender County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Pender 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 Pender County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Watha's 870 acreswhy one lot differs from the next →
- Which side of Watha you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 870 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.7 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 Watha-wide figureread your own land →
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