What Grows in El Dara, Illinois

USDA Zones 6a-7b · 647 acres

El Dara, Illinois, sits in USDA hardiness zones 6a-7b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.

Growers here do well with sweet corn, tomato, pumpkin, and apple — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.

Score your parcel · free

Even in El Dara, 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 El Dara 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 15

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Nov 23

Town normal — light frosts arrive a few weeks earlier

Town Area

647 acres

Hardiness Zone Range

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

Zone maps are averages across El Dara. 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 El Dara?

For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Feb 15; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 15 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 23 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.

Growing Challenges in Illinois

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

Heavy clay soils in northern IL drain poorly

A raised bed solves the standing-water problem in a weekend; fall compost keeps improving the clay beneath it.

Extreme temperature swings between summer and winter

Wide swings reward truly hardy varieties and a deep mulch blanket — insulation smooths what the weather won't.

Japanese beetles are a major garden pest

Hand-pick into soapy water early and often, and skip the traps (they attract more than they catch) — extension IPM guides have the rest.

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

78

within ~10 miles of El Dara

Risk Level

Moderate

Highest-severity

2 Toxics Release Inventory facilities

Severity Distribution

within ~10 miles of El Dara

High0Moderate17Low61

Highest-Severity Sites

1000 N and 1650 E
Nitrate Monitoring · Well
1000 N and 1650 E
Nitrate Monitoring · Well
1200 N and 1200 E
Nitrate Monitoring · Well
1200 N and 1200 E
Nitrate Monitoring · Well
3 Miles W of Atlas
Nitrate Monitoring · Well

A note from Gnorman

What an experienced grower watches for around here

In and around El Dara, Underground Storage Tanks runs higher than the national average — 53 sites nearby. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.

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 El Dara

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

El Dara 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 El Dara

Pull a site-specific report for your exact address in El Dara, Illinois — 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 El Dara, Illinois

  • USDA Hardiness Zones: 6a-7b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Mar 15 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Nov 23 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~253 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 647 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 El Dara, Illinois?

El Dara 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 El Dara?

For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Feb 15; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 15 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 23 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.

When does frost risk typically end in El Dara?

The last hard freeze (28°F) in El Dara typically lands around Mar 15, 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 El Dara?

The first hard freeze (28°F) in El Dara typically arrives around Nov 23, 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 El Dara?

El Dara's zones 6a-7b support a wide range — strong performers include Sweet Corn, Tomato, Pumpkin, Apple, and Coneflower. 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 El Dara, really?

Officially, El Dara 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 El Dara?

The federal record around El Dara shows 78 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 El Dara?

As the season closes around the first 28°F hard freeze near Nov 23 (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 El Dara 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.