Westbury, New York, sits in USDA hardiness zone 7b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
On paper, cabbage, prickly pear, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Westbury, 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 Westbury 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 Westbury — soil, climate, flood, and parcel records. How we handle your address.
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Westbury — the short answer
Westbury, New York: USDA zone 7b, about 244 days between hard freezes, across 2K 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 24
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~244
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 2K 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 Westbury's average, not your lot's — a low corner or a tree line moves it. Against Westbury's 244-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Westbury
Each reading below is measured for Westbury itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredWestbury runs about 244 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
MeasuredWestbury 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 Westbury is in
Westbury sits in the Northeastern Coastal Zone — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Westbury's own centroid rather than borrowed from Nassau County.
What Grows in Westbury
Every plant below cleared Westbury's own zone 7b and its 244-day season. Each card opens that plant's New York profile. How we score.
Is it too late to plant in Westbury?
Almost never — the real question is what to plant next. 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 24 — 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 Westbury
Spotted lanternfly documented 4 miles from Westbury, first recorded 2021. What to watch for.
What's on the federal record near Westbury
Closest first, within ~10 miles of Westbury. Listing isn't leaking, and distance isn't exposure.
- POST CLEANERSBrownfields · 450 ft
- US POWER SERVICE STATIONUnderground Storage Tanks · 600 ft
- JOE'S DRY CLEANINGBrownfields · 650 ft
- DENTAL OFFICE OF DR MILHIM & ASSOC DBA POST AVE DENTALBrownfields · 900 ft
- VILLAGE AUTO BODY WORKS INCBrownfields · 1000 ft
- N 827. 1Nitrate · 1200 ft
- N 828. 1Nitrate · 1200 ft
- N 7785. 1Nitrate · 1300 ft
- N 829. 1Nitrate · 1300 ft
- N 1667. 1Nitrate · 1300 ft
- RITE AID #4768Brownfields · 1400 ft
- N 101. 1Nitrate · 1700 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Westbury'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 Westbury.
Sources Checked
within ~10 miles of Westbury
Severity Distribution
within ~10 miles of Westbury
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Westbury, Nitrate runs higher than the national average — 3,114 sites within ~10 miles of Westbury. That's not a problem with your land — it's information about it.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Westbury
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 Westbury average
Your land is one point inside Westbury
Everything above resolves to Westbury as a whole — one PHZM band and one 28°F frost record, read across 2K 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 Westbury Average
Westbury Average
- ●USDA Zones 7b, averaged across Westbury
- ●One soil character for all of Westbury
- ●Frost dates read at Westbury's scale: Mar 25 to Nov 24
YOUR Parcel
- ✓Your exact zone, not Westbury's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Westbury
Pull a site-specific report for your exact address in Westbury, New York — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Westbury averages can't show:
We read public map data around Westbury — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Westbury average
How we know this about Westbury
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 Westbury’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 Westbury
When does frost risk typically end in Westbury?
The last hard freeze (28°F) in Westbury 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 Westbury?
The first hard freeze (28°F) in Westbury typically arrives around Nov 24, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 10, so the watching starts about Oct 25 — about 244 days after the spring freeze cleared.
How long is the growing season in Westbury?
Measured between 28°F hard freezes, Westbury sees about 244 frost-free days — roughly Mar 25 through Nov 24, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 15 to Nov 10, about 209 days.
Is the soil safe to grow vegetables in Westbury?
The federal record around Westbury runs heavier than most — 5,908 documented sites, mostly Nitrate entries (3,114), 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 Westbury?
From about Oct 25 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 24 (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 24. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Westbury's scale — its 7b band and its 244-day season. Your yard writes its own version of Westbury'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 Westbury’s own scale
7 of the readings below were taken at Westbury's own scale — its own ~244-day season between 28°F freezes, the 1,500 acres it covers and 5,908 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Westbury's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Westbury's own 28°F hard-freeze dates, about Mar 25 and Nov 24 and the ~244-day span between themNOAA 1991–2020 Climate Normals
- 5,908 documented contamination sites on the federal record near Westbury, the closest Brownfields record under a tenth of a mile out from the town centreFederal environmental registers
- Westbury's boundary and the 1,500 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~244-day seasonGrowable Ground crop-matching engine
- The ecoregion at Westbury's own centroid, the Northeastern Coastal ZoneUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Westburylydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Westbury's 1,500 acres read through its county's SSURGO summaryfrom Nassau County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Nassau County
- The growing challenges every New York grower plans around — written at state scale, so they stay on the state guidefrom New York
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Nassau County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Westbury's 1,500 acreswhy one lot differs from the next →
- Which side of Westbury you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,500 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 Westbury-wide figureread your own land →