Greenvale, New York, sits in USDA hardiness zone 7b — a zone band wide enough that plant choice, not possibility, is the interesting question.
Growers here do well with cabbage, prickly pear, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Greenvale, 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 Greenvale 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 Greenvale — soil, climate, flood, and parcel records. How we handle your address.
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Greenvale — the short answer
Greenvale, New York: USDA zone 7b, about 244 days between hard freezes, across 160 acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 26
- 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
- ~244
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 160 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 Greenvale's average, not your lot's — a low corner or a tree line moves it. Against Greenvale's 244-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Greenvale
Each reading below is measured for Greenvale itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredGreenvale 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
MeasuredGreenvale 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 Greenvale is in
Greenvale sits in the Northeastern Coastal Zone — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Greenvale's own centroid rather than borrowed from Nassau County.
What Grows in Greenvale
Every plant below cleared Greenvale'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 Greenvale?
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 26; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 26 (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 Greenvale
Spotted lanternfly documented 1 miles from Greenvale, first recorded 2020. What to watch for.
What's on the federal record near Greenvale
Closest first, within ~10 miles of Greenvale. Listing isn't leaking, and distance isn't exposure.
- GLEN DRY CLEANERSBrownfields · 700 ft
- NORTH GLEN SERVICE STATIONBrownfields · 1000 ft
- NORTH SHORE CAMERA INC - THE CAMERA COBrownfields · 1300 ft
- N 7104. 1Nitrate · 1500 ft
- N 7104. 2Nitrate · 1500 ft
- LE FRENCH CLEANING & TAILORING LTDBrownfields · 1500 ft
- N 6333. 1Nitrate · 2200 ft
- PENN TOYOTA LTDBrownfields · 2300 ft
- NEW YORK TELEPHONEBrownfields · 2600 ft
- ESTATES SERVICE CLEANERSBrownfields · 0.5 mi
- CVS PHARMACY #0963Brownfields · 0.5 mi
- PALL CORPORATIONToxics Release Inventory · 0.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Greenvale'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 Greenvale.
Sources Checked
within ~10 miles of Greenvale
Severity Distribution
within ~10 miles of Greenvale
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Greenvale, Nitrate runs higher than the national average — 2,462 sites within ~10 miles of Greenvale. 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 Greenvale
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 Greenvale average
Your land is one point inside Greenvale
Everything above resolves to Greenvale as a whole — one PHZM band and one 28°F frost record, read across 160 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 Greenvale Average
Greenvale Average
- ●USDA Zones 7b, averaged across Greenvale
- ●One soil character for all of Greenvale
- ●Frost dates read at Greenvale's scale: Mar 26 to Nov 25
YOUR Parcel
- ✓Your exact zone, not Greenvale's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Greenvale
Pull a site-specific report for your exact address in Greenvale, New York — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Greenvale averages can't show:
We read public map data around Greenvale — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Greenvale average
How we know this about Greenvale
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 Greenvale’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 Greenvale
When does frost risk typically end in Greenvale?
The last hard freeze (28°F) in Greenvale typically lands around Mar 26, 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 16.
When is the first frost in Greenvale?
The first hard freeze (28°F) in Greenvale 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 244 days after the spring freeze cleared.
How long is the growing season in Greenvale?
Measured between 28°F hard freezes, Greenvale sees about 244 frost-free days — roughly Mar 26 through Nov 25, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 16 to Nov 11, about 209 days.
Is the soil safe to grow vegetables in Greenvale?
The federal record around Greenvale runs heavier than most — 4,819 documented sites, mostly Nitrate entries (2,462), 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 Greenvale?
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 Greenvale's scale — its 7b band and its 244-day season. Your yard writes its own version of Greenvale'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 Greenvale’s own scale
7 of the readings below were taken at Greenvale's own scale — its own ~244-day season between 28°F freezes, the 160 acres it covers and 4,819 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Greenvale's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Greenvale's own 28°F hard-freeze dates, about Mar 26 and Nov 25 and the ~244-day span between themNOAA 1991–2020 Climate Normals
- 4,819 documented contamination sites on the federal record near Greenvale, the closest Brownfields record about 0.1 miles out from the town centreFederal environmental registers
- Greenvale's boundary and the 160 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 Greenvale's own centroid, the Northeastern Coastal ZoneUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Greenvalelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Greenvale's 160 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 Greenvale's 160 acreswhy one lot differs from the next →
- Which side of Greenvale you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 160 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 Greenvale-wide figureread your own land →