Glendora, New Jersey, sits in USDA hardiness zone 7b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
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 Glendora, 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 Glendora 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 Glendora — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Glendora — the short answer
Glendora, New Jersey: USDA zone 7b, about 245 days between hard freezes, across 666 acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 22
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 22
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~245
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 666 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 Glendora's average, not your lot's — a low corner or a tree line moves it. Against Glendora's 245-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Glendora
Each reading below is measured for Glendora itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredGlendora runs about 245 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
MeasuredGlendora 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 Glendora is in
Glendora sits in the Atlantic Coastal Pine Barrens — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Glendora's own centroid rather than borrowed from Camden County.
What Grows in Glendora
Every plant below cleared Glendora's own zone 7b and its 245-day season. Each card opens that plant's New Jersey profile. How we score.
Is it too late to plant in Glendora?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 22; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 22 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 22 — 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 Glendora
Spotted lanternfly documented 2 miles from Glendora, first recorded 2018. What to watch for.
What's on the federal record near Glendora
Closest first, within ~10 miles of Glendora. Listing isn't leaking, and distance isn't exposure.
- WAWA FOOD MARKET #998Underground Storage Tanks · 650 ft
- INTERLANTE COMMERCIAL PROPERTYUnderground Storage Tanks · 900 ft
- GLENDORA CITGOUnderground Storage Tanks · 900 ft
- 707 FLOODGATE ROADUnderground Storage Tanks · 1200 ft
- 070274-- Otterbrook 39Nitrate · 1400 ft
- 070273-- Otterbrook 29Nitrate · 1500 ft
- SHELL SERVICE STATION 138362Underground Storage Tanks · 1600 ft
- JOES AUTO CLINICUnderground Storage Tanks · 1700 ft
- LA FLAM VENTSCH INCUnderground Storage Tanks · 2000 ft
- GARDNER FUNERAL HOMEUnderground Storage Tanks · 2500 ft
- KARDON TOYOTA ""DBA"" FAMILY TOYOTAUnderground Storage Tanks · 2600 ft
- BOARD OF FIRE COMMISSIONERSUnderground Storage Tanks · 0.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Glendora'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 Glendora.
Sources Checked
within ~10 miles of Glendora
Severity Distribution
within ~10 miles of Glendora
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Glendora, Superfund runs higher than the national average — 91 sites within ~10 miles of Glendora. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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 Glendora
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 Glendora average
Your land is one point inside Glendora
Everything above resolves to Glendora as a whole — one PHZM band and one 28°F frost record, read across 666 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 Glendora Average
Glendora Average
- ●USDA Zones 7b, averaged across Glendora
- ●One soil character for all of Glendora
- ●Frost dates read at Glendora's scale: Mar 22 to Nov 22
YOUR Parcel
- ✓Your exact zone, not Glendora's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Glendora
Pull a site-specific report for your exact address in Glendora, New Jersey — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Glendora averages can't show:
We read public map data around Glendora — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Glendora average
How we know this about Glendora
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 Glendora’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 Glendora
When does frost risk typically end in Glendora?
The last hard freeze (28°F) in Glendora typically lands around Mar 22, 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 12.
When is the first frost in Glendora?
The first hard freeze (28°F) in Glendora typically arrives around Nov 22, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 8, so the watching starts about Oct 23 — about 245 days after the spring freeze cleared.
How long is the growing season in Glendora?
Measured between 28°F hard freezes, Glendora sees about 245 frost-free days — roughly Mar 22 through Nov 22, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 12 to Nov 8, about 210 days.
Is the soil safe to grow vegetables in Glendora?
The federal record around Glendora runs heavier than most — 4,466 documented sites, mostly Underground Storage Tanks entries (2,124), 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 Glendora?
From about Oct 23 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 22 (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 22. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Glendora's scale — its 7b band and its 245-day season. Your yard writes its own version of Glendora'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 Glendora’s own scale
7 of the readings below were taken at Glendora's own scale — its own ~245-day season between 28°F freezes, the 666 acres it covers and 4,466 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Glendora's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Glendora's own 28°F hard-freeze dates, about Mar 22 and Nov 22 and the ~245-day span between themNOAA 1991–2020 Climate Normals
- 4,466 documented contamination sites on the federal record near Glendora, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Glendora's boundary and the 666 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~245-day seasonGrowable Ground crop-matching engine
- The ecoregion at Glendora's own centroid, the Atlantic Coastal Pine BarrensUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Glendoralydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Glendora's 666 acres read through its county's SSURGO summaryfrom Camden County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Camden 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 Camden County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Glendora's 666 acreswhy one lot differs from the next →
- Which side of Glendora you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 666 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 Glendora-wide figureread your own land →
More in New Jersey
Wider growing context
What grows across New JerseyGlendora sits outside our named growing regions, so New Jersey as a whole is its closest context here.
Nearby growing guides