Pearl Beach, Michigan, sits in USDA hardiness zone 6b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
The conditions favor cabbage, hazelnut, lavender, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Pearl Beach, 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 Pearl Beach 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 Pearl Beach — soil, climate, flood, and parcel records. How we handle your address.
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Pearl Beach — the short answer
Pearl Beach, Michigan: USDA zone 6b, about 208 days between hard freezes, across 3K acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 8
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~208
- 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 6b is Pearl Beach's average, not your lot's — a low corner or a tree line moves it. Against Pearl Beach's 208-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Pearl Beach
Each reading below is measured for Pearl Beach itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredPearl Beach runs about 208 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
MeasuredPearl Beach sits in USDA hardiness zone 6b.
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 Pearl Beach is in
Pearl Beach sits in the Huron/Erie Lake Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Pearl Beach's own centroid rather than borrowed from St. Clair County.
What Grows in Pearl Beach
Every plant below cleared Pearl Beach's own zone 6b and its 208-day season. Each card opens that plant's Michigan profile. How we score.






























Is it too late to plant in Pearl Beach?
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 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 Nov 8 — 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 Pearl Beach
Survey cells within 31 miles of Pearl Beach checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 36 miles off. What to watch for.
What's on the federal record near Pearl Beach
Closest first, within ~10 miles of Pearl Beach. Listing isn't leaking, and distance isn't exposure.
- ALGONAC COMMUNITY SCHOOLSBrownfields · 2200 ft
- Algonac High School Bus GarageUnderground Storage Tanks · 2200 ft
- ALGONAC SCHOOLSBrownfields · 2500 ft
- Twp Of ClayUnderground Storage Tanks · 2600 ft
- Pearl Beach SunocoUnderground Storage Tanks · 0.5 mi
- Pearl Beach Enterprises LLCUnderground Storage Tanks · 0.5 mi
- ACE ELECTROSTATICBrownfields · 0.6 mi
- COLONY MARINE SALES & SERVICE INCBrownfields · 0.6 mi
- Colony Marine Sales & ServiceUnderground Storage Tanks · 0.6 mi
- ALGONAC, CITY OFPFAS · 0.6 mi
- Danny's LiquorUnderground Storage Tanks · 0.7 mi
- North Channel MarinaUnderground Storage Tanks · 0.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Pearl Beach'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 Pearl Beach.
Total Sites
229
within ~10 miles of Pearl Beach
Risk Level
Elevated
Highest-severity
5 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Pearl Beach
Severity Distribution
within ~10 miles of Pearl Beach
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Pearl Beach, PFAS runs higher than the national average — 6 sites within ~10 miles of Pearl Beach. That's not a problem with your land — it's information about it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in Pearl Beach
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 Pearl Beach average
Your land is one point inside Pearl Beach
Everything above resolves to Pearl Beach 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 Pearl Beach Average
Pearl Beach Average
- ●USDA Zones 6b, averaged across Pearl Beach
- ●One soil character for all of Pearl Beach
- ●Frost dates read at Pearl Beach's scale: Apr 14 to Nov 8
YOUR Parcel
- ✓Your exact zone, not Pearl Beach's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Pearl Beach
Pull a site-specific report for your exact address in Pearl Beach, Michigan — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Pearl Beach averages can't show:
We read public map data around Pearl Beach — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Pearl Beach average
How we know this about Pearl Beach
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 Pearl Beach’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 Pearl Beach
When does frost risk typically end in Pearl Beach?
The last hard freeze (28°F) in Pearl Beach 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 Pearl Beach?
The first hard freeze (28°F) in Pearl Beach typically arrives around Nov 8, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 25, so the watching starts about Oct 9 — about 208 days after the spring freeze cleared.
How long is the growing season in Pearl Beach?
Measured between 28°F hard freezes, Pearl Beach sees about 208 frost-free days — roughly Apr 14 through Nov 8, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 5 to Oct 25, about 173 days.
Is the soil safe to grow vegetables in Pearl Beach?
The federal record around Pearl Beach is a meaningful one — 229 documented sites, mostly Underground Storage Tanks entries (135), the nearest Brownfields record about 0.4 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 Pearl Beach?
From about Oct 9 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 8 (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 8. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Pearl Beach's scale — its 6b band and its 208-day season. Your yard writes its own version of Pearl Beach'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 Pearl Beach’s own scale
7 of the readings below were taken at Pearl Beach's own scale — its own ~208-day season between 28°F freezes, the 3,075 acres it covers and 229 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Pearl Beach's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Pearl Beach's own 28°F hard-freeze dates, about Apr 14 and Nov 8 and the ~208-day span between themNOAA 1991–2020 Climate Normals
- 229 documented contamination sites on the federal record near Pearl Beach, the closest Brownfields record about 0.4 miles out from the town centreFederal environmental registers
- Pearl Beach's boundary and the 3,075 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~208-day seasonGrowable Ground crop-matching engine
- The ecoregion at Pearl Beach's own centroid, the Huron/Erie Lake PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Pearl Beach 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 Pearl Beach's 3,075 acres read through its county's SSURGO summaryfrom St. Clair County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom St. Clair County
- The growing challenges every Michigan grower plans around — written at state scale, so they stay on the state guidefrom Michigan
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom St. Clair County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Pearl Beach's 3,075 acreswhy one lot differs from the next →
- Which side of Pearl Beach you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 3,075 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.4 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 Pearl Beach-wide figureread your own land →
More in Michigan
Wider growing context
What grows across MichiganPearl Beach sits outside our named growing regions, so Michigan as a whole is its closest context here.
Nearby growing guides
