Singac, New Jersey, sits in USDA hardiness zone 7a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Growers here do well with cabbage, hazelnut, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Singac, 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 Singac 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 Singac — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Singac — the short answer
Singac, New Jersey: USDA zone 7a, about 218 days between hard freezes, across 294 acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 6
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~218
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 294 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 Singac's average, not your lot's — a low corner or a tree line moves it. Against Singac's 218-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Singac
Each reading below is measured for Singac itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredSingac runs about 218 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
MeasuredSingac 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 Singac is in
Singac sits in the Northern Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Singac's own centroid, and it is not what its county reads: Passaic County is mostly Northeastern Highlands. The wider page above you is answering a different question about different ground.
What Grows in Singac
Every plant below cleared Singac's own zone 7a and its 218-day season. Each card opens that plant's New Jersey profile. How we score.






























Is it too late to plant in Singac?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 5; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 2 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 6 — 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 Singac
Spotted lanternfly documented 1 miles from Singac, first recorded 2020. What to watch for.
What's on the federal record near Singac
Closest first, within ~10 miles of Singac. Listing isn't leaking, and distance isn't exposure.
- FOUNDERS REALITY COUnderground Storage Tanks · 500 ft
- SHELL SERVICE STATION #138402Underground Storage Tanks · 550 ft
- 500 MAIN STREETUnderground Storage Tanks · 650 ft
- MAIN ST AUTOMOTIVEUnderground Storage Tanks · 700 ft
- CONOCOUnderground Storage Tanks · 800 ft
- S & A IRRIGATION & LAWN SERVICES INCUnderground Storage Tanks · 1200 ft
- LITTLE FALLS REALTY LLCUnderground Storage Tanks · 1200 ft
- MOUNTAINVIEW GULF SERVICE STATIONUnderground Storage Tanks · 1700 ft
- CALIBER COLLISION CENTER-CEDAR GROVE 4115Brownfields · 1800 ft
- DMR HOLDINGS LLCUnderground Storage Tanks · 1900 ft
- OMEGA PRECISION CORPORATIONToxics Release Inventory · 1900 ft
- OMEGA PRECISION CORPORATIONBrownfields · 1900 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Singac'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 Singac.
Sources Checked
within ~10 miles of Singac
Severity Distribution
within ~10 miles of Singac
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Singac, two things run higher than the national average within ~10 miles of Singac — Superfund (168 sites) and Toxics Release Inventory (425 sites). That's not a problem with your land — it's information about 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 Singac
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 Singac average
Your land is one point inside Singac
Everything above resolves to Singac as a whole — one PHZM band and one 28°F frost record, read across 294 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 Singac Average
Singac Average
- ●USDA Zones 7a, averaged across Singac
- ●One soil character for all of Singac
- ●Frost dates read at Singac's scale: Apr 2 to Nov 6
YOUR Parcel
- ✓Your exact zone, not Singac's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Singac
Pull a site-specific report for your exact address in Singac, New Jersey — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Singac averages can't show:
We read public map data around Singac — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Singac average
How we know this about Singac
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 Singac’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 Singac
When does frost risk typically end in Singac?
The last hard freeze (28°F) in Singac typically lands around Apr 2, 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 23.
When is the first frost in Singac?
The first hard freeze (28°F) in Singac typically arrives around Nov 6, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 23, so the watching starts about Oct 7 — about 218 days after the spring freeze cleared.
How long is the growing season in Singac?
Measured between 28°F hard freezes, Singac sees about 218 frost-free days — roughly Apr 2 through Nov 6, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 23 to Oct 23, about 183 days.
Is the soil safe to grow vegetables in Singac?
The federal record around Singac runs heavier than most — 6,089 documented sites, mostly Underground Storage Tanks entries (3,880), the nearest Underground Storage Tanks record under a tenth of a mile 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 Singac?
From about Oct 7 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 6 (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 6. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Singac's scale — its 7a band and its 218-day season. Your yard writes its own version of Singac'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 Singac’s own scale
7 of the readings below were taken at Singac's own scale — its own ~218-day season between 28°F freezes, the 294 acres it covers and 6,089 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Singac's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Singac's own 28°F hard-freeze dates, about Apr 2 and Nov 6 and the ~218-day span between themNOAA 1991–2020 Climate Normals
- 6,089 documented contamination sites on the federal record near Singac, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Singac's boundary and the 294 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~218-day seasonGrowable Ground crop-matching engine
- Singac sits in the Northern Piedmont — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Singaclydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Singac's 294 acres read through its county's SSURGO summaryfrom Passaic County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Passaic 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 Passaic County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Singac's 294 acreswhy one lot differs from the next →
- Which side of Singac you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 294 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record under a tenth of a mile 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 Singac-wide figureread your own land →
More in New Jersey
Wider growing context
What grows across New JerseySingac sits outside our named growing regions, so New Jersey as a whole is its closest context here.
Nearby growing guides
