Mill Neck, 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 Mill Neck, 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 Mill Neck 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 Mill Neck — soil, climate, flood, and parcel records. How we handle your address.
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Mill Neck — the short answer
Mill Neck, New York: USDA zone 7b, about 250 days between hard freezes, across 2K acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 24
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 29
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~250
- 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 Mill Neck's average, not your lot's — a low corner or a tree line moves it. Against Mill Neck's 250-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Mill Neck
Each reading below is measured for Mill Neck itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredMill Neck runs about 250 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
MeasuredMill Neck 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 Mill Neck is in
Mill Neck sits in the Northeastern Coastal Zone — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Mill Neck's own centroid rather than borrowed from Nassau County.
What Grows in Mill Neck
Every plant below cleared Mill Neck's own zone 7b and its 250-day season. Each card opens that plant's New York profile. How we score.






























Is it too late to plant in Mill Neck?
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 Feb 24; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 24 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 29 — 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 Mill Neck
Spotted lanternfly documented 2 miles from Mill Neck, first recorded 2022. What to watch for.
What's on the federal record near Mill Neck
Closest first, within ~10 miles of Mill Neck. Listing isn't leaking, and distance isn't exposure.
- N 5672. 1Nitrate · 2400 ft
- N 1189. 1Nitrate · 0.9 mi
- N 511. 1Nitrate · 1.0 mi
- N 3486. 1Nitrate · 1.0 mi
- N 202. 1Nitrate · 1.0 mi
- N 735. 1Nitrate · 1.0 mi
- N 585. 1Nitrate · 1.0 mi
- N 736. 1Nitrate · 1.0 mi
- N 3561. 1Nitrate · 1.0 mi
- TOWN OF OYSTER BAYUnderground Storage Tanks · 1.1 mi
- N 4137. 1Nitrate · 1.1 mi
- N 7047. 1Nitrate · 1.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Mill Neck'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 Mill Neck.
Sources Checked
within ~10 miles of Mill Neck
Severity Distribution
within ~10 miles of Mill Neck
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Mill Neck, Nitrate runs higher than the national average — 1,246 sites within ~10 miles of Mill Neck. 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 Mill Neck
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 Mill Neck average
Your land is one point inside Mill Neck
Everything above resolves to Mill Neck 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 Mill Neck Average
Mill Neck Average
- ●USDA Zones 7b, averaged across Mill Neck
- ●One soil character for all of Mill Neck
- ●Frost dates read at Mill Neck's scale: Mar 24 to Nov 29
YOUR Parcel
- ✓Your exact zone, not Mill Neck's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Mill Neck
Pull a site-specific report for your exact address in Mill Neck, New York — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Mill Neck averages can't show:
We read public map data around Mill Neck — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Mill Neck average
How we know this about Mill Neck
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 Mill Neck’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 Mill Neck
When does frost risk typically end in Mill Neck?
The last hard freeze (28°F) in Mill Neck typically lands around Mar 24, 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 14.
When is the first frost in Mill Neck?
The first hard freeze (28°F) in Mill Neck typically arrives around Nov 29, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 15, so the watching starts about Oct 30 — about 250 days after the spring freeze cleared.
How long is the growing season in Mill Neck?
Measured between 28°F hard freezes, Mill Neck sees about 250 frost-free days — roughly Mar 24 through Nov 29, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 14 to Nov 15, about 215 days.
Is the soil safe to grow vegetables in Mill Neck?
The federal record around Mill Neck runs heavier than most — 2,281 documented sites, mostly Nitrate entries (1,246), the nearest Nitrate record about 0.5 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 Mill Neck?
From about Oct 30 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 29 (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 29. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Mill Neck's scale — its 7b band and its 250-day season. Your yard writes its own version of Mill Neck'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 Mill Neck’s own scale
7 of the readings below were taken at Mill Neck's own scale — its own ~250-day season between 28°F freezes, the 1,674 acres it covers and 2,281 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Mill Neck's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Mill Neck's own 28°F hard-freeze dates, about Mar 24 and Nov 29 and the ~250-day span between themNOAA 1991–2020 Climate Normals
- 2,281 documented contamination sites on the federal record near Mill Neck, the closest Nitrate record about 0.5 miles out from the town centreFederal environmental registers
- Mill Neck's boundary and the 1,674 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~250-day seasonGrowable Ground crop-matching engine
- The ecoregion at Mill Neck's own centroid, the Northeastern Coastal ZoneUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Mill Necklydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Mill Neck's 1,674 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 Mill Neck's 1,674 acreswhy one lot differs from the next →
- Which side of Mill Neck you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,674 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.5 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 Mill Neck-wide figureread your own land →
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