What Grows in Decker, Indiana

USDA Zones 6a-7b · 120 acres

Decker, Indiana, sits in USDA hardiness zones 6a-7b — a zone band wide enough that plant choice, not possibility, is the interesting question.

Reliable performers under these conditions include tomato, sweet corn, pawpaw, and peony; what your own ground favors still comes down to its soil, sun, and drainage.

Score your parcel · free

Even in Decker, 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 Decker 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

6a-7b

Last Hard Freeze (28°F)

Mar 7

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Nov 27

Town normal — light frosts arrive a few weeks earlier

Town Area

120 acres

Hardiness Zone Range

6a
7b
3a (Cold)13b (Hot)

Zone maps are averages across Decker. 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 Decker?

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 Feb 7; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 7 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 27 — long-season crops need about 90 days of runway, quick greens only 30. With almost year-round growing weather, timing is about heat and rainfall more than frost — some bench is always in play.

Growing Challenges in Indiana

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

Heavy clay soils limit drainage in many areas

Mounded rows and compost open clay up — and where water still stands, a raised bed ends the argument.

Late spring frosts through early May

Hold tender transplants until your local last-frost normal clears — hardy greens will happily take the early slot.

Hot humid summers promote blight and mildew

Mulch to stop soil splash, water at the base, and rotate crop families — the blight playbook your extension teaches.

For cultivar selection, pest pressure, and planting-time guidance specific to Indiana, the Purdue 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

84

within ~10 miles of Decker

Risk Level

Moderate

Highest-severity

7 Toxics Release Inventory facilities

Severity Distribution

within ~10 miles of Decker

High0Moderate30Low54

Highest-Severity Sites

004s010w25a001
Nitrate Monitoring · Well
004s010w25a001
Nitrate Monitoring · Well
Cantwell Short Stop
Underground Storage Tanks · Open UST(S)
Caseys General Store 24507
Underground Storage Tanks · Open UST(S)
Ceres Solutions 385
Underground Storage Tanks · Open UST(S)

A note from Gnorman

What an experienced grower watches for around here

In and around Decker, Toxic Release Inventory runs higher than the national average — 7 sites nearby. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.

Toxic Release Inventory: TRI facilities report annual chemical releases to air, water, and land.

Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.

Free Report

Check your specific parcel in Decker

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

Decker Average

  • USDA Zones 6a-7b
  • 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 Decker

Pull a site-specific report for your exact address in Decker, Indiana — 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 Decker, Indiana

  • USDA Hardiness Zones: 6a-7b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Mar 7 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Nov 27 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~265 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 120 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 Decker, Indiana?

Decker sits in USDA hardiness zones 6a-7b, 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 Decker?

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 Feb 7; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 7 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 27 — long-season crops need about 90 days of runway, quick greens only 30. With almost year-round growing weather, timing is about heat and rainfall more than frost — some bench is always in play.

When does frost risk typically end in Decker?

The last hard freeze (28°F) in Decker typically lands around Mar 7, 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 Decker?

The first hard freeze (28°F) in Decker typically arrives around Nov 27, 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 Decker?

Decker's zones 6a-7b support a wide range — strong performers include Tomato, Sweet Corn, Pawpaw, Peony, and Apple. 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 Decker, really?

Officially, Decker sits in USDA zones 6a-7b (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 Decker?

The federal record around Decker shows 84 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 Decker?

As the season closes around the first 28°F hard freeze near Nov 27 (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 Decker 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.