Bloomsbury, New Jersey, sits in USDA hardiness zone 6b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Reliable performers under these conditions include cabbage, hazelnut, lavender, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Bloomsbury, 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 Bloomsbury 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 Bloomsbury — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Bloomsbury — the short answer
Bloomsbury, New Jersey: USDA zone 6b, about 213 days between hard freezes, across 596 acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 5
- 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
- ~213
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 596 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 6b is Bloomsbury's average, not your lot's — a low corner or a tree line moves it. Against Bloomsbury's 213-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Bloomsbury
Each reading below is measured for Bloomsbury itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredBloomsbury runs about 213 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
MeasuredBloomsbury sits in USDA hardiness zone 6b.
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 Bloomsbury is in
Bloomsbury sits in the Northeastern Highlands — EPA Level III, inside the wider Northern Forests. That is read at Bloomsbury's own centroid, and it is not what its county reads: Hunterdon County is mostly Northern Piedmont. The wider page above you is answering a different question about different ground.
What Grows in Bloomsbury
Every plant below cleared Bloomsbury's own zone 6b and its 213-day season. Each card opens that plant's New Jersey profile. How we score.
Is it too late to plant in Bloomsbury?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Mar 8; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 5 (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. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
Documented around Bloomsbury
Spotted lanternfly documented 2 miles from Bloomsbury, first recorded 2018. What to watch for.
What's on the federal record near Bloomsbury
Closest first, within ~10 miles of Bloomsbury. Listing isn't leaking, and distance isn't exposure.
- BLOOMSBURY TRAVELCENTERUnderground Storage Tanks · 750 ft
- FORMER KOH-I-NOOR RAPIDOGRAPH, INC.Underground Storage Tanks · 950 ft
- BLOOMSBURY CITGO CENTERUnderground Storage Tanks · 1000 ft
- PRO INVESTMENT LLCBrownfields · 1700 ft
- BLOOMSBURY MAINTENANCE YARDUnderground Storage Tanks · 1900 ft
- UNITED TELEPHONE CO OF NJUnderground Storage Tanks · 0.5 mi
- LOUIS GARAGEUnderground Storage Tanks · 0.5 mi
- AGWAY BLEND PLANTUnderground Storage Tanks · 0.6 mi
- PRIVATE RESIDENCEUnderground Storage Tanks · 0.7 mi
- ALLGRIND PLASTICS INCUnderground Storage Tanks · 0.7 mi
- PILOT TRAVEL CENTER #280Underground Storage Tanks · 0.8 mi
- HUNTERDON TRUCK CENTERUnderground Storage Tanks · 0.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Bloomsbury'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 Bloomsbury.
Sources Checked
within ~10 miles of Bloomsbury
Severity Distribution
within ~10 miles of Bloomsbury
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Bloomsbury, Superfund runs higher than the national average — 23 sites within ~10 miles of Bloomsbury. 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.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Bloomsbury
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 Bloomsbury average
Your land is one point inside Bloomsbury
Everything above resolves to Bloomsbury as a whole — one PHZM band and one 28°F frost record, read across 596 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 Bloomsbury Average
Bloomsbury Average
- ●USDA Zones 6b, averaged across Bloomsbury
- ●One soil character for all of Bloomsbury
- ●Frost dates read at Bloomsbury's scale: Apr 5 to Nov 4
YOUR Parcel
- ✓Your exact zone, not Bloomsbury's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Bloomsbury
Pull a site-specific report for your exact address in Bloomsbury, New Jersey — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Bloomsbury averages can't show:
We read public map data around Bloomsbury — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Bloomsbury average
How we know this about Bloomsbury
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 Bloomsbury’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 Bloomsbury
When does frost risk typically end in Bloomsbury?
The last hard freeze (28°F) in Bloomsbury typically lands around Apr 5, 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 26.
When is the first frost in Bloomsbury?
The first hard freeze (28°F) in Bloomsbury 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 213 days after the spring freeze cleared.
How long is the growing season in Bloomsbury?
Measured between 28°F hard freezes, Bloomsbury sees about 213 frost-free days — roughly Apr 5 through Nov 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 26 to Oct 21, about 178 days.
Is the soil safe to grow vegetables in Bloomsbury?
The federal record around Bloomsbury runs heavier than most — 858 documented sites, mostly Underground Storage Tanks entries (507), the nearest Underground Storage Tanks 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 Bloomsbury?
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 Bloomsbury's scale — its 6b band and its 213-day season. Your yard writes its own version of Bloomsbury'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 Bloomsbury’s own scale
7 of the readings below were taken at Bloomsbury's own scale — its own ~213-day season between 28°F freezes, the 596 acres it covers and 858 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Bloomsbury's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Bloomsbury's own 28°F hard-freeze dates, about Apr 5 and Nov 4 and the ~213-day span between themNOAA 1991–2020 Climate Normals
- 858 documented contamination sites on the federal record near Bloomsbury, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Bloomsbury's boundary and the 596 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~213-day seasonGrowable Ground crop-matching engine
- Bloomsbury sits in the Northeastern Highlands — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Bloomsburylydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Bloomsbury's 596 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 Bloomsbury's 596 acreswhy one lot differs from the next →
- Which side of Bloomsbury you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 596 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Bloomsbury-wide figureread your own land →
More in New Jersey
Wider growing context
What grows across New JerseyBloomsbury sits outside our named growing regions, so New Jersey as a whole is its closest context here.
Nearby growing guides