Port Chester, New York, sits in USDA hardiness zone 7b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
These conditions suit cabbage, prickly pear, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Port Chester, 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 Port Chester 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 Port Chester — soil, climate, flood, and parcel records. How we handle your address.
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Port Chester — the short answer
Port Chester, New York: USDA zone 7b, about 249 days between hard freezes, across 1K 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 28
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~249
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 1K 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 Port Chester's average, not your lot's — a low corner or a tree line moves it. Against Port Chester's 249-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Port Chester
Each reading below is measured for Port Chester itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredPort Chester runs about 249 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
MeasuredPort Chester 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 Port Chester is in
Port Chester sits in the Northeastern Coastal Zone — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Port Chester's own centroid rather than borrowed from Westchester County.
What Grows in Port Chester
Every plant below cleared Port Chester's own zone 7b and its 249-day season. Each card opens that plant's New York profile. How we score.
Is it too late to plant in Port Chester?
Almost never — the real question is what to plant next. 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 28 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
Documented around Port Chester
Spotted lanternfly documented 1 miles from Port Chester, first recorded 2021. What to watch for.
What's on the federal record near Port Chester
Closest first, within ~10 miles of Port Chester. Listing isn't leaking, and distance isn't exposure.
- HANNIGANS AUTO BODY INCBrownfields · 250 ft
- PARK'S PREMIERE CLEANERS INCBrownfields · 950 ft
- METRO NORTH RR NEW HAVEN LINE WESTCHESTER CO.Brownfields · 1100 ft
- JOES GARAGEBrownfields · 1500 ft
- CON EDISON - PORTCHESTERBrownfields · 1600 ft
- F L AUTO BODYBrownfields · 1600 ft
- WALGREENS #7485Brownfields · 1700 ft
- COMMUTER CLEANERSBrownfields · 1700 ft
- PORT CHESTER AUTO BODY INCBrownfields · 2200 ft
- HIGHLAND MARINABrownfields · 2200 ft
- CRYSTAL CLEAR COLLISIONBrownfields · 2200 ft
- HANNIGANS AUTO BODYBrownfields · 2300 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Port Chester'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 Port Chester.
Total Sites
1,478
within ~10 miles of Port Chester
Risk Level
Elevated
Highest-severity
10 Superfund sites
Sources Checked
within ~10 miles of Port Chester
Severity Distribution
within ~10 miles of Port Chester
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Port Chester, two things run higher than the national average within ~10 miles of Port Chester — PFAS (16 sites) and Brownfields (916 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Brownfields: Brownfield sites are former commercial or industrial properties where legacy soil contamination (heavy metals, PAHs, petroleum compounds) may persist.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check EPA brownfield remediation status — many sites have completed cleanup with institutional controls.
Check your specific parcel in Port Chester
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 Port Chester average
Your land is one point inside Port Chester
Everything above resolves to Port Chester as a whole — one PHZM band and one 28°F frost record, read across 1K 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 Port Chester Average
Port Chester Average
- ●USDA Zones 7b, averaged across Port Chester
- ●One soil character for all of Port Chester
- ●Frost dates read at Port Chester's scale: Mar 24 to Nov 28
YOUR Parcel
- ✓Your exact zone, not Port Chester's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Port Chester
Pull a site-specific report for your exact address in Port Chester, New York — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Port Chester averages can't show:
We read public map data around Port Chester — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Port Chester average
How we know this about Port Chester
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 Port Chester’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 Port Chester
When does frost risk typically end in Port Chester?
The last hard freeze (28°F) in Port Chester 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 Port Chester?
The first hard freeze (28°F) in Port Chester typically arrives around Nov 28, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 14, so the watching starts about Oct 29 — about 249 days after the spring freeze cleared.
How long is the growing season in Port Chester?
Measured between 28°F hard freezes, Port Chester sees about 249 frost-free days — roughly Mar 24 through Nov 28, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 14 to Nov 14, about 214 days.
Is the soil safe to grow vegetables in Port Chester?
The federal record around Port Chester is a meaningful one — 1,478 documented sites, mostly Brownfields entries (916), the nearest Brownfields record under a tenth of a mile 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 Port Chester?
From about Oct 29 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 28 (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 28. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Port Chester's scale — its 7b band and its 249-day season. Your yard writes its own version of Port Chester'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 Port Chester’s own scale
7 of the readings below were taken at Port Chester's own scale — its own ~249-day season between 28°F freezes, the 1,490 acres it covers and 1,478 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Port Chester's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Port Chester's own 28°F hard-freeze dates, about Mar 24 and Nov 28 and the ~249-day span between themNOAA 1991–2020 Climate Normals
- 1,478 documented contamination sites on the federal record near Port Chester, the closest Brownfields record under a tenth of a mile out from the town centreFederal environmental registers
- Port Chester's boundary and the 1,490 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~249-day seasonGrowable Ground crop-matching engine
- The ecoregion at Port Chester's own centroid, the Northeastern Coastal ZoneUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Port Chesterlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Port Chester's 1,490 acres read through its county's SSURGO summaryfrom Westchester County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Westchester 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 Westchester County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Port Chester's 1,490 acreswhy one lot differs from the next →
- Which side of Port Chester you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,490 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 Port Chester-wide figureread your own land →
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