Greenport, New York, sits in USDA hardiness zone 7b — a zone band wide enough that plant choice, not possibility, is the interesting question.
A short list that earns its place here — cabbage, prickly pear, california poppy, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Greenport, 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 Greenport 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 Greenport — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Greenport — the short answer
Greenport, New York: USDA zone 7b, about 242 days between hard freezes, across 608 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 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~242
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 608 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 Greenport's average, not your lot's — a low corner or a tree line moves it. Against Greenport's 242-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Greenport
Each reading below is measured for Greenport itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredGreenport runs about 242 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
MeasuredGreenport 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 Greenport is in
Greenport sits in the Atlantic Coastal Pine Barrens — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Greenport's own centroid rather than borrowed from Suffolk County.
What Grows in Greenport
Every plant below cleared Greenport's own zone 7b and its 242-day season. Each card opens that plant's New York profile. How we score.
Is it too late to plant in Greenport?
Almost never — the real question is what to plant next. 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 23 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
Documented around Greenport
Spotted lanternfly documented 9 miles from Greenport, first recorded 2023. What to watch for.
What's on the federal record near Greenport
Closest first, within ~10 miles of Greenport. Listing isn't leaking, and distance isn't exposure.
- HOPPY'S CLEANERS INCBrownfields · 850 ft
- MR ROBERTS CONVENIENCE STOREBrownfields · 1000 ft
- NYSDOT DETENTION BASINBrownfields · 1400 ft
- S 53539. 1Nitrate · 1600 ft
- VILLAGE DRY CLEANERSBrownfields · 1700 ft
- HAWKEYE ENERGY GREENPORTUnderground Storage Tanks · 2000 ft
- GREENPORT VILLAGE OFBrownfields · 2100 ft
- EMPIRE SERVICE STATIONUnderground Storage Tanks · 2600 ft
- S 178. 1Nitrate · 0.6 mi
- SHM GREENPORT LLCBrownfields · 0.8 mi
- SHM STIRLING HARBOR LLCBrownfields · 0.8 mi
- SUNRISE COACH LINES INCBrownfields · 0.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Greenport'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 Greenport.
Sources Checked
within ~10 miles of Greenport
Severity Distribution
within ~10 miles of Greenport
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Greenport, Nitrate runs higher than the national average — 186 sites within ~10 miles of Greenport. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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 Greenport
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 Greenport average
Your land is one point inside Greenport
Everything above resolves to Greenport as a whole — one PHZM band and one 28°F frost record, read across 608 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 Greenport Average
Greenport Average
- ●USDA Zones 7b, averaged across Greenport
- ●One soil character for all of Greenport
- ●Frost dates read at Greenport's scale: Mar 26 to Nov 23
YOUR Parcel
- ✓Your exact zone, not Greenport's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Greenport
Pull a site-specific report for your exact address in Greenport, New York — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Greenport averages can't show:
We read public map data around Greenport — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Greenport average
How we know this about Greenport
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 Greenport’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 Greenport
When does frost risk typically end in Greenport?
The last hard freeze (28°F) in Greenport 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 Greenport?
The first hard freeze (28°F) in Greenport typically arrives around Nov 23, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 9, so the watching starts about Oct 24 — about 242 days after the spring freeze cleared.
How long is the growing season in Greenport?
Measured between 28°F hard freezes, Greenport sees about 242 frost-free days — roughly Mar 26 through Nov 23, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 16 to Nov 9, about 207 days.
Is the soil safe to grow vegetables in Greenport?
The federal record around Greenport is a meaningful one — 223 documented sites, mostly Nitrate entries (186), the nearest Brownfields record about 0.2 miles out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Greenport?
From about Oct 24 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 23 (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 23. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Greenport's scale — its 7b band and its 242-day season. Your yard writes its own version of Greenport'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 Greenport’s own scale
7 of the readings below were taken at Greenport's own scale — its own ~242-day season between 28°F freezes, the 608 acres it covers and 223 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Greenport's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Greenport's own 28°F hard-freeze dates, about Mar 26 and Nov 23 and the ~242-day span between themNOAA 1991–2020 Climate Normals
- 223 documented contamination sites on the federal record near Greenport, the closest Brownfields record about 0.2 miles out from the town centreFederal environmental registers
- Greenport's boundary and the 608 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~242-day seasonGrowable Ground crop-matching engine
- The ecoregion at Greenport's own centroid, the Atlantic Coastal Pine BarrensUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Greenportlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Greenport's 608 acres read through its county's SSURGO summaryfrom Suffolk County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Suffolk 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 Suffolk County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Greenport's 608 acreswhy one lot differs from the next →
- Which side of Greenport you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 608 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.2 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 Greenport-wide figureread your own land →