Port Reading, New Jersey, sits in USDA hardiness zone 7b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
These conditions suit cabbage, prickly pear, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Port Reading, 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 Port Reading 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 Port Reading — soil, climate, flood, and parcel records. How we handle your address.
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Port Reading — the short answer
Port Reading, New Jersey: USDA zone 7b, about 247 days between hard freezes, across 1K acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 25
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~247
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 1K 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 Port Reading's average, not your lot's — a low corner or a tree line moves it. Against Port Reading's 247-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Port Reading
Each reading below is measured for Port Reading itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredPort Reading runs about 247 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
MeasuredPort Reading 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 Port Reading is in
Port Reading sits in the Northern Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Port Reading's own centroid, and it is not what its county reads: Middlesex County is mostly Atlantic Coastal Pine Barrens. The wider page above you is answering a different question about different ground.
What Grows in Port Reading
Every plant below cleared Port Reading's own zone 7b and its 247-day season. Each card opens that plant's New Jersey profile. How we score.
Is it too late to plant in Port Reading?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Feb 23; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 23 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 25 — 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 Port Reading
Spotted lanternfly documented 2 miles from Port Reading, first recorded 2019. What to watch for.
What's on the federal record near Port Reading
Closest first, within ~10 miles of Port Reading. Listing isn't leaking, and distance isn't exposure.
- BED BATH & BEYOND 653DCBrownfields · 750 ft
- PSE&G SEWAREN GENERATING STATIONUnderground Storage Tanks · 850 ft
- ST GEORGE GAS LLC T/A DELTAUnderground Storage Tanks · 1200 ft
- BUCKEYE TERMINALS LLC - PORT READINGBrownfields · 1600 ft
- PSE&G CENTRAL MAINTENANCE SHOPUnderground Storage Tanks · 1600 ft
- AMERADA HESS CORPUnderground Storage Tanks · 1700 ft
- ESTEE LAUDER COMPANIES C/O DSV SOLUTIONSBrownfields · 1800 ft
- THE NEOSTRATA COMPANY @ DSVBrownfields · 1800 ft
- FORMER HESS STATION 30220Underground Storage Tanks · 2000 ft
- BUCKEYE PORT READING TERMINALToxics Release Inventory · 2000 ft
- BUCKEYE PORT READING TERMINALBrownfields · 2000 ft
- PORT READING FIRE COUnderground Storage Tanks · 2000 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Port Reading'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 Port Reading.
Sources Checked
within ~10 miles of Port Reading
Severity Distribution
within ~10 miles of Port Reading
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Port Reading, two things run higher than the national average within ~10 miles of Port Reading — Superfund (109 sites) and Toxics Release Inventory (351 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 Port Reading
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 Port Reading average
Your land is one point inside Port Reading
Everything above resolves to Port Reading as a whole — one PHZM band and one 28°F frost record, read across 1K 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 Port Reading Average
Port Reading Average
- ●USDA Zones 7b, averaged across Port Reading
- ●One soil character for all of Port Reading
- ●Frost dates read at Port Reading's scale: Mar 23 to Nov 25
YOUR Parcel
- ✓Your exact zone, not Port Reading's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Port Reading
Pull a site-specific report for your exact address in Port Reading, New Jersey — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Port Reading averages can't show:
We read public map data around Port Reading — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Port Reading average
How we know this about Port Reading
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 Port Reading’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 Port Reading
When does frost risk typically end in Port Reading?
The last hard freeze (28°F) in Port Reading typically lands around Mar 23, 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 13.
When is the first frost in Port Reading?
The first hard freeze (28°F) in Port Reading typically arrives around Nov 25, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 11, so the watching starts about Oct 26 — about 247 days after the spring freeze cleared.
How long is the growing season in Port Reading?
Measured between 28°F hard freezes, Port Reading sees about 247 frost-free days — roughly Mar 23 through Nov 25, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 13 to Nov 11, about 212 days.
Is the soil safe to grow vegetables in Port Reading?
The federal record around Port Reading runs heavier than most — 5,293 documented sites, mostly Underground Storage Tanks entries (3,039), the nearest Brownfields record about 0.1 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 Port Reading?
From about Oct 26 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 25 (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 25. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Port Reading's scale — its 7b band and its 247-day season. Your yard writes its own version of Port Reading'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 Port Reading’s own scale
7 of the readings below were taken at Port Reading's own scale — its own ~247-day season between 28°F freezes, the 1,265 acres it covers and 5,293 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Port Reading's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Port Reading's own 28°F hard-freeze dates, about Mar 23 and Nov 25 and the ~247-day span between themNOAA 1991–2020 Climate Normals
- 5,293 documented contamination sites on the federal record near Port Reading, the closest Brownfields record about 0.1 miles out from the town centreFederal environmental registers
- Port Reading's boundary and the 1,265 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~247-day seasonGrowable Ground crop-matching engine
- Port Reading sits in the Northern Piedmont — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Port Readinglydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Port Reading's 1,265 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 Port Reading's 1,265 acreswhy one lot differs from the next →
- Which side of Port Reading you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,265 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.1 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 Port Reading-wide figureread your own land →
More in New Jersey
Wider growing context
What grows across New JerseyPort Reading sits outside our named growing regions, so New Jersey as a whole is its closest context here.
Nearby growing guides