What Grows in Miltona, Minnesota

USDA Zones 4a-5b · 429 acres

Miltona, Minnesota, sits in USDA hardiness zones 4a-5b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.

Crops well matched to these conditions include honeycrisp apple, wild rice, tomato, and red pine — though what thrives on any one site still turns on its specific soil, sun, and drainage.

Score your parcel · free

Even in Miltona, 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 Miltona 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 18

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Oct 24

Town normal — light frosts arrive a few weeks earlier

City Area

429 acres

Hardiness Zone Range

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

Zone maps are averages across Miltona. 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 Miltona?

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 21; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 18 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 24 — long-season crops need about 90 days of runway, quick greens only 30. As the window narrows, the plantings just get faster — fall brassicas, then greens, then garlic to finish.

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

108

within ~10 miles of Miltona

Risk Level

Moderate

Highest-severity

2 Toxics Release Inventory facilities

Severity Distribution

within ~10 miles of Miltona

High0Moderate71Low37

Highest-Severity Sites

129n36w09
Nitrate Monitoring · Well
129n36w09
Nitrate Monitoring · Well
129n36w18cbb 01
Nitrate Monitoring · Well
129n36w18cbb 01
Nitrate Monitoring · Well
130n36w16cab 01 Koep
Nitrate Monitoring · Well

A note from Gnorman

What an experienced grower watches for around here

In and around Miltona, Nitrate runs higher than the national average — 60 sites nearby. 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).

Free Report

Check your specific parcel in Miltona

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

Miltona 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 Miltona

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

  • USDA Hardiness Zones: 4a-5b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Apr 18 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Oct 24 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~189 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 429 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 Miltona, Minnesota?

Miltona 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 Miltona?

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 21; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 18 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 24 — long-season crops need about 90 days of runway, quick greens only 30. As the window narrows, the plantings just get faster — fall brassicas, then greens, then garlic to finish.

When does frost risk typically end in Miltona?

The last hard freeze (28°F) in Miltona typically lands around Apr 18, 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 Miltona?

The first hard freeze (28°F) in Miltona typically arrives around Oct 24, 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 Miltona?

Miltona'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 Miltona, really?

Officially, Miltona 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 Miltona?

The federal record around Miltona shows 108 documented sites — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.

How do I protect my plants from frost in Miltona?

As the season closes around the first 28°F hard freeze near Oct 24 (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 Miltona 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.