What Grows in McCall, Idaho

USDA Zones 4a-5b · 6K acres

McCall, Idaho, 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.

Reliable performers under these conditions include potato, apple, hop, and cherry; what your own ground favors still comes down to its soil, sun, and drainage.

Score your parcel · free

Even in McCall, 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 McCall 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)

May 8

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Oct 4

Town normal — light frosts arrive a few weeks earlier

City Area

6K acres

Hardiness Zone Range

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

Zone maps are averages across McCall. 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 McCall?

Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Apr 10; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 8 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 4 — long-season crops need about 90 days of runway, quick greens only 30. In a season this compact, fast finishers and cold-hardy greens do the late work, and garlic tucked in before the freeze repays you next summer.

Growing Challenges in Idaho

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

Short growing season at higher elevations

At elevation, fast varieties plus a cold frame or low tunnel reliably buy back the weeks the calendar withholds.

Arid conditions require irrigation in most of the state

Drip irrigation and deep mulch are the arid-country baseline — set the water system before the plants.

Cold winter snaps can reach -30F in mountain valleys

Plant perennials for your real zone, not an optimistic one — a -30°F night finds every zone-pushed plant.

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

101

within ~10 miles of McCall

Risk Level

Moderate

Highest-severity

1 Toxics Release Inventory facility

Severity Distribution

within ~10 miles of McCall

High0Moderate43Low58

Highest-Severity Sites

17N 03E 10aadd1
Nitrate Monitoring · Well
17N 03E 10aadd1
Nitrate Monitoring · Well
17N 03E 26add1
Nitrate Monitoring · Well
17N 03E 26add1
Nitrate Monitoring · Well
18N 03E 03cada1
Nitrate Monitoring · Well

A note from Gnorman

What an experienced grower watches for around here

In and around McCall, two things run higher than the national average — Nitrate (30 sites) and Underground Storage Tanks (65 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.

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

Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.

Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).

Use raised beds with imported soil — this eliminates the primary soil-contact pathway.

Free Report

Check your specific parcel in McCall

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

McCall 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 McCall

Pull a site-specific report for your exact address in McCall, Idaho — 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 McCall, Idaho

  • USDA Hardiness Zones: 4a-5b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): May 8 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Oct 4 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~149 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 6K 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 McCall, Idaho?

McCall 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 McCall?

Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Apr 10; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 8 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 4 — long-season crops need about 90 days of runway, quick greens only 30. In a season this compact, fast finishers and cold-hardy greens do the late work, and garlic tucked in before the freeze repays you next summer.

When does frost risk typically end in McCall?

The last hard freeze (28°F) in McCall typically lands around May 8, 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 McCall?

The first hard freeze (28°F) in McCall typically arrives around Oct 4, 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 McCall?

McCall's zones 4a-5b support a wide range — strong performers include Potato, Apple, Hop, Cherry, and Lentil. 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 McCall, really?

Officially, McCall 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 McCall?

The federal record around McCall shows 101 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 gardeners stretch the season in McCall?

With about 149 frost-free days between hard freezes, McCall rewards the classic extension moves: floating row cover buys roughly two to four extra weeks at each shoulder, cold frames and low tunnels more, and quick-maturing varieties make the arithmetic work. Starting transplants indoors ahead of the May 8 hard-freeze normal stretches the season without touching the calendar.

Everything on this page is a McCall 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.