What Grows in Lexington, Oregon

USDA Zones 4a-5b · 280 acres

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

Expect hazelnut, blueberry, kale, and hop to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.

Score your parcel · free

Even in Lexington, 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 Lexington 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 11

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Nov 16

Town normal — light frosts arrive a few weeks earlier

Town Area

280 acres

Hardiness Zone Range

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

Zone maps are averages across Lexington. 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 Lexington?

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 11; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 11 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 16 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.

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

33

within ~10 miles of Lexington

Risk Level

Low

Highest-severity

1 Toxics Release Inventory facility

Severity Distribution

within ~10 miles of Lexington

High0Moderate6Low27

Highest-Severity Sites

01S/24E-03CDB
Nitrate Monitoring · Well
01S/24E-03CDB
Nitrate Monitoring · Well
Heppner Shell
Underground Storage Tanks · Open UST(S)
Ione Gas
Underground Storage Tanks · Open UST(S)
Kinzua Resources / Heppner Power Plant Site
Toxics Release Inventory · 97836knzrs54174

A note from Gnorman

What an experienced grower watches for around here

In and around Lexington, Underground Storage Tanks runs higher than the national average — 28 sites nearby. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.

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

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

Free Report

Check your specific parcel in Lexington

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

Lexington 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 Lexington

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

  • USDA Hardiness Zones: 4a-5b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Mar 11 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Nov 16 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~250 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 280 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 Lexington, Oregon?

Lexington 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 Lexington?

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 11; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 11 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 16 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.

When does frost risk typically end in Lexington?

The last hard freeze (28°F) in Lexington typically lands around Mar 11, 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 Lexington?

The first hard freeze (28°F) in Lexington typically arrives around Nov 16, 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 Lexington?

Lexington'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 Lexington, really?

Officially, Lexington 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 Lexington?

The federal record around Lexington is light — 33 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 Lexington?

As the season closes around the first 28°F hard freeze near Nov 16 (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 Lexington 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.