What Grows in Wamic, Oregon

USDA Zones 4a-5b · 772 acres

Wamic, Oregon, sits in USDA hardiness zones 4a-5b — a zone band wide enough that plant choice, not possibility, is the interesting question.

These conditions suit hazelnut, blueberry, kale, and hop — a starting list any specific site will trim or extend with its own soil, sun, and drainage.

Score your parcel · free

Even in Wamic, 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 Wamic 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

4a-5b

Last Hard Freeze (28°F)

Mar 17

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Nov 15

Town normal — light frosts arrive a few weeks earlier

Town Area

772 acres

Hardiness Zone Range

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

Zone maps are averages across Wamic. 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 Wamic?

Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Feb 17; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 17 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 15 — 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 Oregon

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

West side: excessive rain and overcast skies reduce sun for warm-season crops

Map your sun honestly — a south-facing bed against a light wall recovers a surprising amount of the light the clouds take.

East side: arid conditions (8-15 inches rainfall) require irrigation

East of the Cascades, drip irrigation is infrastructure, not an accessory — plan it before the first planting.

Slug pressure is extreme in western Oregon

Evening patrols, iron-phosphate baits, and dry mulch edges knock slugs back — your extension guide covers the full toolkit.

Mountain areas have very short seasons (60-90 frost-free days)

At 60-90 frost-free days, season extension is the difference between a garden and a gamble — a high tunnel changes the math.

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

Environmental Intelligence

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

Total Sites

14

within ~10 miles of Wamic

Risk Level

Low

Highest-severity

2 brownfield sites

Severity Distribution

within ~10 miles of Wamic

High0Moderate3Low11

Highest-Severity Sites

04.00S/12.00E-11CC
Nitrate Monitoring · Well
04.00S/12.00E-11CC
Nitrate Monitoring · Well
Wasco County Road Department
Underground Storage Tanks · Open UST(S)
Brown'S Garage
Underground Storage Tanks · Closed UST(S)
Davis, Jr. Irl
Underground Storage Tanks · Closed UST(S)

Know Before You Grow

  • Underground tanks can leak petroleum products. Soil testing near former gas stations is recommended.
  • Raised beds with imported soil can reduce exposure risk near brownfield sites.
  • Test well water for nitrates if you rely on a private well. Levels above 10 mg/L require treatment.
Free Report

Check your specific parcel in Wamic

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

Wamic 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 Wamic

Pull a site-specific report for your exact address in Wamic, Oregon — 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 Wamic, Oregon

  • USDA Hardiness Zones: 4a-5b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Mar 17 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Nov 15 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~243 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 772 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 Wamic, Oregon?

Wamic 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 Wamic?

Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Feb 17; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 17 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 15 — 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 Wamic?

The last hard freeze (28°F) in Wamic typically lands around Mar 17, 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 Wamic?

The first hard freeze (28°F) in Wamic typically arrives around Nov 15, 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 Wamic?

Wamic's zones 4a-5b support a wide range — strong performers include Hazelnut, Blueberry, Kale, Hop, and Douglas Fir. 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 Wamic, really?

Officially, Wamic 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 Wamic?

The federal record around Wamic is light — 14 documented sites across the 9 federal source types we checked — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.

How do I protect my plants from frost in Wamic?

As the season closes around the first 28°F hard freeze near Nov 15 (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 Wamic 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.