Center Moriches, New York, sits in USDA hardiness zone 7a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Among the crops suited to this profile: cabbage, hazelnut, california poppy, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Even in Center Moriches, 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 Center Moriches 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 Center Moriches — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Center Moriches — the short answer
Center Moriches, New York: USDA zone 7a, about 215 days between hard freezes, across 3K acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 6
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 7
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~215
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 3K 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 7a is Center Moriches's average, not your lot's — a low corner or a tree line moves it. Against Center Moriches's 215-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Center Moriches
Each reading below is measured for Center Moriches itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredCenter Moriches runs about 215 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
MeasuredCenter Moriches sits in USDA hardiness zone 7a.
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 Center Moriches is in
Center Moriches sits in the Atlantic Coastal Pine Barrens — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Center Moriches's own centroid rather than borrowed from Suffolk County.
What Grows in Center Moriches
Every plant below cleared Center Moriches's own zone 7a and its 215-day season. Each card opens that plant's New York profile. How we score.
Is it too late to plant in Center Moriches?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 9; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 6 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 7 — 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 Center Moriches
Spotted lanternfly documented 2 miles from Center Moriches, first recorded 2022. What to watch for.
What's on the federal record near Center Moriches
Closest first, within ~10 miles of Center Moriches. Listing isn't leaking, and distance isn't exposure.
- NATIONAL PIT STOPUnderground Storage Tanks · 450 ft
- TIME FOR NAILSBrownfields · 550 ft
- MORICHES MEDICAL CARE PCBrownfields · 600 ft
- CENTER MORICHES DRY CLEANERS INCBrownfields · 600 ft
- TIP NAILSBrownfields · 800 ft
- Well S2815Nitrate · 850 ft
- MORICHES NAILSBrownfields · 950 ft
- SUZANNES HAIR STUDIOBrownfields · 1000 ft
- CVS PHARMACY #1190Brownfields · 1500 ft
- SOUTH BAY MEDICAL CARE PCBrownfields · 1600 ft
- ABM AUTOUnderground Storage Tanks · 1600 ft
- CENTER MORICHES CLEANERSBrownfields · 1900 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Center Moriches'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 Center Moriches.
Total Sites
1,070
within ~10 miles of Center Moriches
Risk Level
Elevated
Highest-severity
7 Superfund sites
Sources Checked
within ~10 miles of Center Moriches
Severity Distribution
within ~10 miles of Center Moriches
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Center Moriches, Nitrate runs higher than the national average — 788 sites within ~10 miles of Center Moriches. 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 Center Moriches
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 Center Moriches average
Your land is one point inside Center Moriches
Everything above resolves to Center Moriches as a whole — one PHZM band and one 28°F frost record, read across 3K 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 Center Moriches Average
Center Moriches Average
- ●USDA Zones 7a, averaged across Center Moriches
- ●One soil character for all of Center Moriches
- ●Frost dates read at Center Moriches's scale: Apr 6 to Nov 7
YOUR Parcel
- ✓Your exact zone, not Center Moriches's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Center Moriches
Pull a site-specific report for your exact address in Center Moriches, New York — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Center Moriches averages can't show:
We read public map data around Center Moriches — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Center Moriches average
How we know this about Center Moriches
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 Center Moriches’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 Center Moriches
When does frost risk typically end in Center Moriches?
The last hard freeze (28°F) in Center Moriches typically lands around Apr 6, 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 27.
When is the first frost in Center Moriches?
The first hard freeze (28°F) in Center Moriches typically arrives around Nov 7, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 24, so the watching starts about Oct 8 — about 215 days after the spring freeze cleared.
How long is the growing season in Center Moriches?
Measured between 28°F hard freezes, Center Moriches sees about 215 frost-free days — roughly Apr 6 through Nov 7, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 27 to Oct 24, about 180 days.
Is the soil safe to grow vegetables in Center Moriches?
The federal record around Center Moriches is a meaningful one — 1,070 documented sites, mostly Nitrate entries (788), the nearest Underground Storage Tanks 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 Center Moriches?
From about Oct 8 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 7 (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 7. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Center Moriches's scale — its 7a band and its 215-day season. Your yard writes its own version of Center Moriches'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 Center Moriches’s own scale
7 of the readings below were taken at Center Moriches's own scale — its own ~215-day season between 28°F freezes, the 3,368 acres it covers and 1,070 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Center Moriches's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Center Moriches's own 28°F hard-freeze dates, about Apr 6 and Nov 7 and the ~215-day span between themNOAA 1991–2020 Climate Normals
- 1,070 documented contamination sites on the federal record near Center Moriches, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Center Moriches's boundary and the 3,368 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~215-day seasonGrowable Ground crop-matching engine
- The ecoregion at Center Moriches's own centroid, the Atlantic Coastal Pine BarrensUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Center Moricheslydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Center Moriches's 3,368 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 Center Moriches's 3,368 acreswhy one lot differs from the next →
- Which side of Center Moriches you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 3,368 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Center Moriches-wide figureread your own land →
More in New York
Growing region
Nearby growing guides