Sayreville, New Jersey, sits in USDA hardiness zone 7b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
A short list that earns its place here — cabbage, prickly pear, california poppy, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Sayreville, 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 Sayreville 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 Sayreville — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Sayreville — the short answer
Sayreville, New Jersey: USDA zone 7b, about 227 days between hard freezes, across 10K acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 30
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 12
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~227
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 10K 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 7b is Sayreville's average, not your lot's — a low corner or a tree line moves it. Against Sayreville's 227-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Sayreville
Each reading below is measured for Sayreville itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredSayreville runs about 227 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
MeasuredSayreville sits in USDA hardiness zone 7b.
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 Sayreville is in
Sayreville sits in the Atlantic Coastal Pine Barrens — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Sayreville's own centroid rather than borrowed from Middlesex County.
What Grows in Sayreville
Every plant below cleared Sayreville's own zone 7b and its 227-day season. Each card opens that plant's New Jersey profile. How we score.






























Is it too late to plant in Sayreville?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 2; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 30 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 12 — 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 Sayreville
Spotted lanternfly documented 2 miles from Sayreville, first recorded 2018. What to watch for.
What's on the federal record near Sayreville
Closest first, within ~10 miles of Sayreville. Listing isn't leaking, and distance isn't exposure.
- SAKER SHOPRITE #553Brownfields · 1600 ft
- NJ FUEL LLC DBA PARLIN SHELLUnderground Storage Tanks · 1800 ft
- RT 9Underground Storage Tanks · 2000 ft
- CARLISLE STATIONUnderground Storage Tanks · 2000 ft
- ALBERNARLE CORPBrownfields · 2200 ft
- CALPINE PARLIN INCToxics Release Inventory · 2300 ft
- CHEMO DYNAMICS INCBrownfields · 2400 ft
- ERNSTON GENERATIONUnderground Storage Tanks · 2500 ft
- CANFIELD TECHNOLOGIESToxics Release Inventory · 0.5 mi
- KAYDON ACQUISITION XI INCUnderground Storage Tanks · 0.5 mi
- ETHYL CORPToxics Release Inventory · 0.5 mi
- E.I. DUPONT DE NEMOURSSuperfund · 0.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Sayreville'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 Sayreville.
Sources Checked
within ~10 miles of Sayreville
Severity Distribution
within ~10 miles of Sayreville
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Sayreville, two things run higher than the national average within ~10 miles of Sayreville — Superfund (86 sites) and Toxics Release Inventory (254 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Sayreville
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 Sayreville average
Your land is one point inside Sayreville
Everything above resolves to Sayreville as a whole — one PHZM band and one 28°F frost record, read across 10K 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 Sayreville Average
Sayreville Average
- ●USDA Zones 7b, averaged across Sayreville
- ●One soil character for all of Sayreville
- ●Frost dates read at Sayreville's scale: Mar 30 to Nov 12
YOUR Parcel
- ✓Your exact zone, not Sayreville's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Sayreville
Pull a site-specific report for your exact address in Sayreville, New Jersey — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Sayreville averages can't show:
We read public map data around Sayreville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Sayreville average
How we know this about Sayreville
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 Sayreville’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 Sayreville
When does frost risk typically end in Sayreville?
The last hard freeze (28°F) in Sayreville typically lands around Mar 30, 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 20.
When is the first frost in Sayreville?
The first hard freeze (28°F) in Sayreville typically arrives around Nov 12, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 29, so the watching starts about Oct 13 — about 227 days after the spring freeze cleared.
How long is the growing season in Sayreville?
Measured between 28°F hard freezes, Sayreville sees about 227 frost-free days — roughly Mar 30 through Nov 12, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 20 to Oct 29, about 192 days.
Is the soil safe to grow vegetables in Sayreville?
The federal record around Sayreville runs heavier than most — 3,808 documented sites, mostly Underground Storage Tanks entries (2,015), the nearest Brownfields record about 0.3 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Sayreville?
From about Oct 13 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 12 (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 12. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Sayreville's scale — its 7b band and its 227-day season. Your yard writes its own version of Sayreville'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 Sayreville’s own scale
7 of the readings below were taken at Sayreville's own scale — its own ~227-day season between 28°F freezes, the 10,131 acres it covers and 3,808 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Sayreville's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Sayreville's own 28°F hard-freeze dates, about Mar 30 and Nov 12 and the ~227-day span between themNOAA 1991–2020 Climate Normals
- 3,808 documented contamination sites on the federal record near Sayreville, the closest Brownfields record about 0.3 miles out from the town centreFederal environmental registers
- Sayreville's boundary and the 10,131 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~227-day seasonGrowable Ground crop-matching engine
- The ecoregion at Sayreville's own centroid, the Atlantic Coastal Pine BarrensUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Sayrevillelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Sayreville's 10,131 acres read through its county's SSURGO summaryfrom Middlesex County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Middlesex 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 Middlesex County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Sayreville's 10,131 acreswhy one lot differs from the next →
- Which side of Sayreville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 10,131 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.3 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 Sayreville-wide figureread your own land →
More in New Jersey
Wider growing context
What grows across New JerseySayreville sits outside our named growing regions, so New Jersey as a whole is its closest context here.
Nearby growing guides
