What Grows in Freeport, Maine

USDA Zones 6a · 1K acres

Freeport, Maine, sits in USDA hardiness zone 6a — a zone band wide enough that plant choice, not possibility, is the interesting question.

Among the crops suited to this profile: cabbage, hazelnut, lavender, and collard greens. The site-level story — soil, sun, drainage — decides the rest.

Score your parcel · free

Even in Freeport, 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 Freeport 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 Freeport — soil, climate, flood, and parcel records. How we handle your address.

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Freeport — the short answer

Freeport, Maine: USDA zone 6a, about 195 days between hard freezes, across 1K acres of town.

USDA zone
6a
USDA PHZM 2023
Last hard freeze (28°F)
Apr 14
NOAA 1991–2020 Climate Normals, 28°F — this town
First hard freeze (28°F)
Oct 26
NOAA 1991–2020 Climate Normals, 28°F — this town
Days between freezes
~195
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

6a6a
3a (Cold)13b (Hot)

Zone 6a is Freeport's average, not your lot's — a low corner or a tree line moves it. Against Freeport's 195-day season, see what your own ground reads.

Soil varies lot by lot — soil types explained.

What this means for growing in Freeport

Each reading below is measured for Freeport itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length

Measured

Freeport runs about 195 days between hard freezes — a moderate growing season.

There is room for the full run of cool-season crops plus a warm-season main crop, but the calendar is tight enough that a late spring or early fall frost still decides how much finishes.

Time warm-season transplants to your last hard freeze, and a few weeks of season extension turns a near-miss harvest into a sure one.

NOAA 1991–2020 Climate Normals

Winter hardiness

Measured

Freeport sits in USDA hardiness zone 6a.

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 Freeport is in

Freeport sits in the Acadian Plains and Hills — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Freeport's own centroid, and it is not what its county reads: Cumberland County is mostly Northeastern Coastal Zone. The wider page above you is answering a different question about different ground.

What that means for soil

What Grows in Freeport

Every plant below cleared Freeport's own zone 6a and its 195-day season. Each card opens that plant's Maine profile. How we score.

cabbage, photograph
Growing cabbage in MaineZones 2–11Freeport's 6a — 4 zones of cold margin.
hazelnut, photograph
Maine hazelnut guideZones 4–9Freeport's 6a — 2 zones of cold margin.
lavender, photograph
Lavender in MaineZones 5–8Freeport's 6a — 1 zone of cold margin.
collard greens, photograph
Collard greens: Maine growing notesZones 2–11Freeport's 6a — 4 zones of cold margin.
blueberry, photograph
Growing blueberry in MaineZones 3–8Freeport's 6a — 3 zones of cold margin.
California poppy, photograph
Maine california poppy guideZones 6–10Freeport's 6a is its exact cold limit.
garlic, photograph
Garlic in MaineZones 2–10Freeport's 6a — 4 zones of cold margin.
blackberry, photograph
Blackberry: Maine growing notesZones 5–8Freeport's 6a — 1 zone of cold margin.
St. Johns wort, photograph
Growing st. johns wort in MaineZones 3–8Freeport's 6a — 3 zones of cold margin.
kale, photograph
Maine kale guideZones 2–11Freeport's 6a — 4 zones of cold margin.
cranberry, photograph
Cranberry in MaineZones 2–7Freeport's 6a — 4 zones of cold margin.
Turkish rocket, photograph
Turkish rocket: Maine growing notesFreeport's 195 days clear the ~90 it needs.
lentil, photograph
Growing lentil in MaineZones 2–11Freeport's 195 days clear the ~70 it needs.
okra, photograph
Maine okra guideZones 2–12Freeport's 195 days clear the ~50 it needs.
potato, photograph
Potato in MaineZones 2–11Freeport's 6a — 4 zones of cold margin.
hosta, photograph
Hosta: Maine growing notesZones 3–8Freeport's 6a — 3 zones of cold margin.
sunflower, photograph
Growing sunflower in MaineZones 2–11Freeport's 195 days clear the ~70 it needs.
azalea, photograph
Maine azalea guideZones 4–8Freeport's 6a — 2 zones of cold margin.
hops, photograph
Hops in MaineZones 3–8Freeport's 6a — 3 zones of cold margin.
iris, photograph
Iris: Maine growing notesZones 3–10Freeport's 6a — 3 zones of cold margin.
French marigold, photograph
Growing french marigold in MaineFreeport's 195 days clear the ~50 it needs.
lilac, photograph
Maine lilac guideZones 4–10Freeport's 6a — 2 zones of cold margin.
American bittersweet, photograph
American bittersweet in MaineZones 3–8Freeport's 6a — 3 zones of cold margin.
tulip, photograph
Tulip: Maine growing notesZones 6–8Freeport's 6a is its exact cold limit.
American elm, photograph
Growing american elm in MaineZones 3–9Freeport's 6a — 3 zones of cold margin.
Ethiopian mustard, photograph
Maine ethiopian mustard guideZones 4–10Freeport's 6a — 2 zones of cold margin.
Kentucky bluegrass, botanical illustration
Kentucky bluegrass in MaineZones 2–7Freeport's 6a — 4 zones of cold margin.
Douglas fir, photograph
Douglas fir: Maine growing notesZones 4–10Freeport's 6a — 2 zones of cold margin.
alfalfa, photograph
Growing alfalfa in MaineZones 2–10Freeport's 195 days clear the ~100 it needs.
Canada wild rye, photograph
Maine canada wild rye guideZones 3–8Freeport's 6a — 3 zones of cold margin.

Is it too late to plant in Freeport?

For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Mar 17; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 14 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 26 — long-season crops need about 90 days of runway, quick greens only 30. Late in the year the fall bench takes over — quick greens, radishes, and garlic that repays you next summer.

Documented around Freeport

Survey cells within 31 miles of Freeport checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 51 miles off. What to watch for.

What's on the federal record near Freeport

Closest first, within ~10 miles of Freeport. Listing isn't leaking, and distance isn't exposure.

  1. L L BEAN FLAGSHIP STOREBrownfields · 100 ft
  2. CVS PHARMACY #8245Brownfields · 300 ft
  3. FREEPORT PUFFIN STOPUnderground Storage Tanks · 400 ft
  4. LL BEAN FIRE HOSE TOWER RELOCAUnderground Storage Tanks · 500 ft
  5. EDS DELI & BAKERYUnderground Storage Tanks · 500 ft
  6. ARNOLD TREE FARMUnderground Storage Tanks · 900 ft
  7. RICHARDSON, GEORGEUnderground Storage Tanks · 900 ft
  8. EASTLAND SHOE MANUFACTURING CORPToxics Release Inventory · 1200 ft
  9. HAROLD L INGERSON INCUnderground Storage Tanks · 1400 ft
  10. L L BEAN DAVIS WAREHOUSEBrownfields · 1400 ft
  11. FREEPORT MUNICIPAL BUILDINGUnderground Storage Tanks · 1900 ft
  12. CIRCLE K #7083Brownfields · 2200 ft

6 more sites are on the record inside the same radius. See them on the map

Measured from Freeport'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 Freeport.

Total Sites

376

within ~10 miles of Freeport

Risk Level

Elevated

Highest-severity

6 Superfund sites

Severity Distribution

within ~10 miles of Freeport

High3Moderate99Low274

Highest-Severity Sites

Brunswick Naval Air Station
Superfund · Superfund NPL
Mckin Site
Superfund · Superfund NPL
Yarmouth Water District
PFAS Sampling · PFAS Detected
Big Apple
Underground Storage Tanks · Open UST(S)
Big Apple # 1064
Underground Storage Tanks · Open UST(S)

A note from Gnorman

What an experienced grower watches for around here

In and around Freeport, Superfund runs higher than the national average — 6 sites within ~10 miles of Freeport. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.

Superfund: Superfund sites represent the most severe contamination in the federal system.

Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).

Free Report

Check your specific parcel in Freeport

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 Freeport average

Your land is one point inside Freeport

Everything above resolves to Freeport 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 Freeport Average

Freeport Average

  • USDA Zones 6a, averaged across Freeport
  • One soil character for all of Freeport
  • Frost dates read at Freeport's scale: Apr 14 to Oct 26

YOUR Parcel

  • Your exact zone, not Freeport's 6a
  • Your SSURGO soil type & pH
  • Your sun exposure, cast in 3D

See MY Growing Report

Free Report

Read your specific parcel in Freeport

Pull a site-specific report for your exact address in Freeport, Maine — soil, sun, drainage, frost risk, and scored plant recommendations.

Three things about your lot that Freeport averages can't show:

Your soil pHYour frost-free days — Freeport averages 195Your sun & shade

We read public map data around Freeport — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the Freeport average

How we know this about Freeport

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 Freeport’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 Freeport

When does frost risk typically end in Freeport?

The last hard freeze (28°F) in Freeport typically lands around Apr 14, 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 May 5.

When is the first frost in Freeport?

The first hard freeze (28°F) in Freeport typically arrives around Oct 26, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 12, so the watching starts about Sep 26 — about 195 days after the spring freeze cleared.

How long is the growing season in Freeport?

Measured between 28°F hard freezes, Freeport sees about 195 frost-free days — roughly Apr 14 through Oct 26, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 5 to Oct 12, about 160 days.

Is the soil safe to grow vegetables in Freeport?

The federal record around Freeport is a meaningful one — 376 documented sites, mostly Underground Storage Tanks entries (221), 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 Freeport?

From about Sep 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 Oct 26 (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 Oct 26. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.

Everything above is measured at Freeport's scale — its 6a band and its 195-day season. Your yard writes its own version of Freeport'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 Freeport’s own scale

7 of the readings below were taken at Freeport's own scale — its own ~195-day season between 28°F freezes, the 1,098 acres it covers and 376 documented sites around it; 4 are borrowed from a wider read, named and linked below.

Measured here

  • Freeport's own USDA hardiness band, zones 6aUSDA PHZM 2023
  • Freeport's own 28°F hard-freeze dates, about Apr 14 and Oct 26 and the ~195-day span between themNOAA 1991–2020 Climate Normals
  • 376 documented contamination sites on the federal record near Freeport, the closest Brownfields record under a tenth of a mile out from the town centreFederal environmental registers
  • Freeport's boundary and the 1,098 acres inside itUS Census TIGER/Line 2025
  • Which of 1,086 plants clear zones 6a and a ~195-day seasonGrowable Ground crop-matching engine
  • Freeport sits in the Acadian Plains and Hills — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
  • Lanternfly survey cells around Freeport checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice

Inherited from a wider read

  • Soil character — no town-scale survey exists, so Freeport's 1,098 acres read through its county's SSURGO summaryfrom Cumberland County
  • Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Cumberland County
  • The growing challenges every Maine grower plans around — written at state scale, so they stay on the state guidefrom Maine
  • Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Cumberland County

What this page can’t tell you

  • The soil pH, drainage, sun hours, and frost pockets on any one lot among Freeport's 1,098 acreswhy one lot differs from the next
  • Which side of Freeport you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,098 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 Freeport-wide figureread your own land
The next step finer is your own address