What Grows in Bayport, Minnesota

USDA Zones 4a-5b · 1K acres

Bayport, Minnesota, sits in USDA hardiness zones 4a-5b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.

Growers here do well with honeycrisp apple, wild rice, tomato, and red pine — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.

Score your parcel · free

Even in Bayport, 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 Bayport 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.

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Quick Facts

USDA Zones

4a-5b

Last Hard Freeze (28°F)

Apr 9

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Nov 3

Town normal — light frosts arrive a few weeks earlier

City Area

1K acres

Hardiness Zone Range

4a
5b
3a (Cold)13b (Hot)

Zone maps are averages across Bayport. 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 Bayport?

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 12; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 9 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 3 — 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.

Growing Challenges in Minnesota

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

Extreme cold (zone 3a: -40F) limits many species

Plant to zone 3 realities and the garden thrives — the hardy-plant palette here is deeper than most catalogs suggest.

Short growing season (100-140 frost-free days)

Start transplants indoors and add a cold frame — the standard Minnesota moves that stretch a short season into a full one.

Heavy clay soils in the Red River Valley

Valley clay grows world-class crops once drainage is handled — raised beds do it instantly, compost does it permanently.

For cultivar selection, pest pressure, and planting-time guidance specific to Minnesota, the University of Minnesota 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

1,265

within ~10 miles of Bayport

Risk Level

High

Highest-severity

7 Superfund sites

Severity Distribution

within ~10 miles of Bayport

High14Moderate424Low827

Highest-Severity Sites

Baytown Pce Plume - Sa 115
Superfund · Superfund (Non-NPL)
Baytown Township Ground Water Plume
Superfund · Superfund NPL
Lake Elmo
PFAS Sampling · PFAS Detected
Lakeland Municipal Water
PFAS Sampling · PFAS Detected
Mahtomedi
PFAS Sampling · PFAS Detected

A note from Gnorman

What an experienced grower watches for around here

In and around Bayport, two things run higher than the national average — Brownfields (631 sites) and Nitrate (330 sites). That's not a problem with your land — it's information about it.

Brownfields: Brownfield sites are former commercial or industrial properties where legacy soil contamination (heavy metals, PAHs, petroleum compounds) may persist.

Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.

Check EPA brownfield remediation status — many sites have completed cleanup with institutional controls.

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 Bayport

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

Bayport Average

  • USDA Zones 4a-5b
  • 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 Bayport

Pull a site-specific report for your exact address in Bayport, Minnesota — 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 Bayport, Minnesota

  • USDA Hardiness Zones: 4a-5b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Apr 9 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Nov 3 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~208 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 1K 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 Bayport, Minnesota?

Bayport sits in USDA hardiness zones 4a-5b, 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 Bayport?

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 12; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 9 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 3 — 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.

When does frost risk typically end in Bayport?

The last hard freeze (28°F) in Bayport typically lands around Apr 9, 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 Bayport?

The first hard freeze (28°F) in Bayport typically arrives around Nov 3, 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 Bayport?

Bayport's zones 4a-5b support a wide range — strong performers include Honeycrisp Apple, Wild Rice, Tomato, and Red 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 Bayport, really?

Officially, Bayport sits in USDA zones 4a-5b (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 Bayport?

The federal record around Bayport runs heavier than most — 1,265 documented sites — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.

How do I protect my plants from frost in Bayport?

As the season closes around the first 28°F hard freeze near Nov 3 (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 Bayport 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.