Silver Lake, New Jersey, sits in USDA hardiness zone 7b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Expect cabbage, prickly pear, california poppy, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Silver Lake, 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 Silver Lake 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 Silver Lake — soil, climate, flood, and parcel records. How we handle your address.
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Silver Lake — the short answer
Silver Lake, New Jersey: USDA zone 7b, about 241 days between hard freezes, across 209 acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 25
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 21
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~241
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 209 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 Silver Lake's average, not your lot's — a low corner or a tree line moves it. Against Silver Lake's 241-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Silver Lake
Each reading below is measured for Silver Lake itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSilver Lake runs about 241 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
MeasuredSilver Lake 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 Silver Lake is in
Silver Lake sits in the Northern Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Silver Lake's own centroid rather than borrowed from Essex County.
What Grows in Silver Lake
Every plant below cleared Silver Lake's own zone 7b and its 241-day season. Each card opens that plant's New Jersey profile. How we score.
Is it too late to plant in Silver Lake?
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 25; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 25 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 21 — 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 Silver Lake
Spotted lanternfly documented 3 miles from Silver Lake, first recorded 2020. What to watch for.
What's on the federal record near Silver Lake
Closest first, within ~10 miles of Silver Lake. Listing isn't leaking, and distance isn't exposure.
- PSE&G BRANCH BROOK SUBSTATIONBrownfields · 300 ft
- POLIZZI BUILDERSUnderground Storage Tanks · 400 ft
- MILLENNIUM FUEL INCUnderground Storage Tanks · 500 ft
- SICAUnderground Storage Tanks · 550 ft
- 225 NO BELMONT AVEUnderground Storage Tanks · 850 ft
- SILVER LAKE GAS & GOUnderground Storage Tanks · 950 ft
- SEA JETBrownfields · 1200 ft
- ESTATE OF CARMINE PUCILLO SRUnderground Storage Tanks · 1200 ft
- BAMBERGERS DEPOT(FORMER)Underground Storage Tanks · 1200 ft
- COLUMBUS AUTO BODY INCBrownfields · 1400 ft
- J&M AUTO REPAIRING COUnderground Storage Tanks · 1400 ft
- HESS STATION 30278Underground Storage Tanks · 1400 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Silver Lake'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 Silver Lake.
Sources Checked
within ~10 miles of Silver Lake
Severity Distribution
within ~10 miles of Silver Lake
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Silver Lake, two things run higher than the national average within ~10 miles of Silver Lake — Superfund (230 sites) and Toxics Release Inventory (676 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 Silver Lake
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 Silver Lake average
Your land is one point inside Silver Lake
Everything above resolves to Silver Lake as a whole — one PHZM band and one 28°F frost record, read across 209 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 Silver Lake Average
Silver Lake Average
- ●USDA Zones 7b, averaged across Silver Lake
- ●One soil character for all of Silver Lake
- ●Frost dates read at Silver Lake's scale: Mar 25 to Nov 21
YOUR Parcel
- ✓Your exact zone, not Silver Lake's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Silver Lake
Pull a site-specific report for your exact address in Silver Lake, New Jersey — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Silver Lake averages can't show:
We read public map data around Silver Lake — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Silver Lake average
How we know this about Silver Lake
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 Silver Lake’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 Silver Lake
When does frost risk typically end in Silver Lake?
The last hard freeze (28°F) in Silver Lake typically lands around Mar 25, 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 15.
When is the first frost in Silver Lake?
The first hard freeze (28°F) in Silver Lake typically arrives around Nov 21, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 7, so the watching starts about Oct 22 — about 241 days after the spring freeze cleared.
How long is the growing season in Silver Lake?
Measured between 28°F hard freezes, Silver Lake sees about 241 frost-free days — roughly Mar 25 through Nov 21, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 15 to Nov 7, about 206 days.
Is the soil safe to grow vegetables in Silver Lake?
The federal record around Silver Lake runs heavier than most — 9,680 documented sites, mostly Underground Storage Tanks entries (6,092), the nearest Brownfields 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 Silver Lake?
From about Oct 22 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 21 (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 21. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Silver Lake's scale — its 7b band and its 241-day season. Your yard writes its own version of Silver Lake'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 Silver Lake’s own scale
7 of the readings below were taken at Silver Lake's own scale — its own ~241-day season between 28°F freezes, the 209 acres it covers and 9,680 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Silver Lake's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Silver Lake's own 28°F hard-freeze dates, about Mar 25 and Nov 21 and the ~241-day span between themNOAA 1991–2020 Climate Normals
- 9,680 documented contamination sites on the federal record near Silver Lake, the closest Brownfields record under a tenth of a mile out from the town centreFederal environmental registers
- Silver Lake's boundary and the 209 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~241-day seasonGrowable Ground crop-matching engine
- The ecoregion at Silver Lake's own centroid, the Northern PiedmontUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Silver Lakelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Silver Lake's 209 acres read through its county's SSURGO summaryfrom Essex County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Essex 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 Essex County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Silver Lake's 209 acreswhy one lot differs from the next →
- Which side of Silver Lake you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 209 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 Silver Lake-wide figureread your own land →