What Grows in Pewamo, Michigan

USDA Zones 5a-6b · 640 acres

Pewamo, Michigan, sits in USDA hardiness zones 5a-6b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.

Among the crops suited to this profile: cherry, blueberry, apple, and asparagus. The site-level story — soil, sun, drainage — decides the rest.

Score your parcel · free

Even in Pewamo, 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 Pewamo lot. Enter your address and we'll score 1,112 plants against your land's actual soil, sun, and frost.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

No card required · your full report in seconds

Quick Facts

USDA Zones

5a-6b

Last Hard Freeze (28°F)

Apr 7

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Nov 13

Town normal — light frosts arrive a few weeks earlier

Town Area

640 acres

Hardiness Zone Range

5a
6b
3a (Cold)13b (Hot)

Zone maps are averages across Pewamo. Your yard's slope, trees, and frost pockets shift what actually grows — see your land's exact reading.

Soil varies lot by lot — soil types explained.

Is it too late to plant in Pewamo?

Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 10; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 7 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 13 — 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.

Growing Challenges in Michigan

What an experienced grower plans around here — each one has a move.

Lake effect weather creates highly localized microclimates

Lake effect rewrites the map mile by mile — check your exact site, not your region, before you commit a planting plan.

Short northern season (100-120 frost-free days in UP)

Up north, fast-maturing varieties plus a hoop house or cold frame turn a tight season into a dependable one.

Sandy soils in western MI drain too quickly

Compost and cover crops, applied annually, teach sandy ground to hold water — the west-side fix is organic matter.

For cultivar selection, pest pressure, and planting-time guidance specific to Michigan, the MSU Extension is the authoritative local source.

Environmental Intelligence

Understanding what's nearby helps you make informed decisions about where and how to grow.

Total Sites

143

within ~10 miles of Pewamo

Risk Level

Elevated

Highest-severity

1 Superfund site

Severity Distribution

within ~10 miles of Pewamo

High2Moderate65Low76

Highest-Severity Sites

American Anodco, INC.
Superfund · Superfund NPL
06n05w19a 01 Buck H
Nitrate Monitoring · Well
06n05w19a 01 Buck H
Nitrate Monitoring · Well
06n05w36c 01 Patrick W
Nitrate Monitoring · Well
06n05w36c 01 Patrick W
Nitrate Monitoring · Well

A note from Gnorman

What an experienced grower watches for around here

In and around Pewamo, Nitrate runs higher than the national average — 46 sites nearby. 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).

Free Report

Check your specific parcel in Pewamo

Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,112 plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Your Specific Parcel Matters

Pewamo Average

  • USDA Zones 5a-6b
  • Generic soil type for the area
  • State-average frost dates

YOUR Parcel

  • Your exact hardiness zone
  • Your SSURGO soil type & pH
  • Your sun exposure, cast in 3D

See MY Growing Report

Free Report

Read your specific parcel in Pewamo

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

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Key Growing Facts for Pewamo, Michigan

  • USDA Hardiness Zones: 5a-6b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Apr 7 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Nov 13 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~220 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 640 acres (US Census TIGER 2025)

Zone data: USDA ARS Plant Hardiness Zone Map 2023. Climate data: NOAA NCEI. Boundaries: US Census TIGER/Line 2025.

Frequently Asked Questions

What hardiness zone is Pewamo, Michigan?

Pewamo sits in USDA hardiness zones 5a-6b, per the USDA Plant Hardiness Zone Map 2023. Zones reflect average annual extreme minimum temperatures from 1991–2020 weather data.

Is it too late to plant in Pewamo?

Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 10; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 7 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 13 — 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.

When does frost risk typically end in Pewamo?

The last hard freeze (28°F) in Pewamo typically lands around Apr 7, per NOAA 1991–2020 climate normals — an earlier marker than the light-frost dates many planting charts quote. That marks the hard freeze, not the last light frost — light frosts can still bite for a few more weeks, so tender transplants usually wait another 2–3 weeks.

When is the first frost in Pewamo?

The first hard freeze (28°F) in Pewamo typically arrives around Nov 13, per NOAA 1991–2020 climate normals — the point most tender summer crops finish. Lighter frosts usually reach a couple of weeks earlier, so watch the forecast from late summer on and harvest or cover tender plants before the first cold night.

What vegetables grow in Pewamo?

Pewamo's zones 5a-6b support a wide range — strong performers include Cherry, Blueberry, Apple, Asparagus, and White Pine. What actually takes on any one site comes down to its soil, sun, and drainage, and we score each plant against the real conditions at your address.

Which hardiness zone is Pewamo, really?

Officially, Pewamo sits in USDA zones 5a-6b (USDA PHZM 2023) — but a zone is a 30-year average of winter's coldest night across an area, and it can't see any one yard. A south-facing slope, a tree line, or a low frost pocket can shift a single site by half a zone either way, which is why neighboring gardeners often quote different numbers. We read the conditions at your exact address — soil, sun, slope, and frost — and score 1,112 plants against what's actually there.

Is the soil safe to grow vegetables in Pewamo?

The federal record around Pewamo is a meaningful one — 143 documented sites — 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 Pewamo?

As the season closes around the first 28°F hard freeze near Nov 13 (NOAA 1991–2020 climate normals), a few moves buy time: cover tender plants with floating row cover or an old sheet on still, clear nights, water the soil the afternoon before a freeze so it holds warmth overnight, and harvest frost-tender crops like tomatoes, peppers, and basil before the first hard night. Hardy greens and root crops shrug off light frost and often sweeten after it, so leave them in.

Everything on this page is a Pewamo average. Your yard writes its own version — we read soil, sun, drainage, and frost at your exact address. Try it for 14 days — no card required.