Stockton, New Jersey, sits in USDA hardiness zone 7a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
On paper, cabbage, hazelnut, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Stockton, 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 Stockton 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 Stockton — soil, climate, flood, and parcel records. How we handle your address.
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Stockton — the short answer
Stockton, New Jersey: USDA zone 7a, about 215 days between hard freezes, across 349 acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 3
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 4
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~215
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 349 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 7a is Stockton's average, not your lot's — a low corner or a tree line moves it. Against Stockton's 215-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Stockton
Each reading below is measured for Stockton itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredStockton runs about 215 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
MeasuredStockton sits in USDA hardiness zone 7a.
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 Stockton is in
Stockton sits in the Northern Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Stockton's own centroid rather than borrowed from Hunterdon County.
What Grows in Stockton
Every plant below cleared Stockton's own zone 7a and its 215-day season. Each card opens that plant's New Jersey profile. How we score.
Is it too late to plant in Stockton?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Mar 6; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 3 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 4 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
Documented around Stockton
Spotted lanternfly documented 3 miles from Stockton, first recorded 2018. What to watch for.
What's on the federal record near Stockton
Closest first, within ~10 miles of Stockton. Listing isn't leaking, and distance isn't exposure.
- 190078-- PW 4Nitrate · 1000 ft
- 190077-- PW 3Nitrate · 1200 ft
- 14 BRIDGE STREET INCUnderground Storage Tanks · 2000 ft
- RYAN'S AUTO REPAIRUnderground Storage Tanks · 2200 ft
- SCHUCK'S GARAGEUnderground Storage Tanks · 2400 ft
- STOCKTON EAGLEUnderground Storage Tanks · 0.6 mi
- Neighbor & Dafford MinesMining · 0.7 mi
- TRAP ROCK IND INCUnderground Storage Tanks · 1.5 mi
- GROVERS GREENHOUSESUnderground Storage Tanks · 1.6 mi
- BK 1935Nitrate · 1.6 mi
- 190590-- DomNitrate · 1.6 mi
- RIVER ROAD PROPUnderground Storage Tanks · 1.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Stockton'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 Stockton.
Sources Checked
within ~10 miles of Stockton
Severity Distribution
within ~10 miles of Stockton
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Stockton, Nitrate runs higher than the national average — 312 sites within ~10 miles of Stockton. That's not a problem with your land — it's information about it.
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 Stockton
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 Stockton average
Your land is one point inside Stockton
Everything above resolves to Stockton as a whole — one PHZM band and one 28°F frost record, read across 349 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 Stockton Average
Stockton Average
- ●USDA Zones 7a, averaged across Stockton
- ●One soil character for all of Stockton
- ●Frost dates read at Stockton's scale: Apr 3 to Nov 4
YOUR Parcel
- ✓Your exact zone, not Stockton's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Stockton
Pull a site-specific report for your exact address in Stockton, New Jersey — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Stockton averages can't show:
We read public map data around Stockton — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Stockton average
How we know this about Stockton
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 Stockton’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 Stockton
When does frost risk typically end in Stockton?
The last hard freeze (28°F) in Stockton typically lands around Apr 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 Apr 24.
When is the first frost in Stockton?
The first hard freeze (28°F) in Stockton typically arrives around Nov 4, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 21, so the watching starts about Oct 5 — about 215 days after the spring freeze cleared.
How long is the growing season in Stockton?
Measured between 28°F hard freezes, Stockton sees about 215 frost-free days — roughly Apr 3 through Nov 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 24 to Oct 21, about 180 days.
Is the soil safe to grow vegetables in Stockton?
The federal record around Stockton is a meaningful one — 747 documented sites, mostly Nitrate entries (312), 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 Stockton?
From about Oct 5 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 4 (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 4. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Stockton's scale — its 7a band and its 215-day season. Your yard writes its own version of Stockton'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 Stockton’s own scale
7 of the readings below were taken at Stockton's own scale — its own ~215-day season between 28°F freezes, the 349 acres it covers and 747 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Stockton's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Stockton's own 28°F hard-freeze dates, about Apr 3 and Nov 4 and the ~215-day span between themNOAA 1991–2020 Climate Normals
- 747 documented contamination sites on the federal record near Stockton, the closest Nitrate record about 0.2 miles out from the town centreFederal environmental registers
- Stockton's boundary and the 349 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~215-day seasonGrowable Ground crop-matching engine
- The ecoregion at Stockton's own centroid, the Northern PiedmontUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Stocktonlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Stockton's 349 acres read through its county's SSURGO summaryfrom Hunterdon County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Hunterdon County
- The growing challenges every New Jersey grower plans around — written at state scale, so they stay on the state guidefrom New Jersey
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Hunterdon County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Stockton's 349 acreswhy one lot differs from the next →
- Which side of Stockton you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 349 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 Stockton-wide figureread your own land →
More in New Jersey
Wider growing context
What grows across New JerseyStockton sits outside our named growing regions, so New Jersey as a whole is its closest context here.
Nearby growing guides