prairie coneflower (Ratibida columnifera), photographi

Can I Grow Prairie Coneflower in Indiana?

USDA Zones 5b-7b · Plant zone range 3-9

Yes — Strong Match

prairie coneflower (zones 3-9) covers every zone Indiana contains (5b-7b), so hardiness is not what limits it anywhere in the state.

Prairie Coneflower in Indiana — the short answer

Prairie Coneflower in Indiana: hardy in zones 3–9, full sun.

Plant zones
3-9
Not verified
Indiana zones
5b-7b
USDA PHZM 2023
Frost window
Apr 4 - Apr 9 – Oct 30 - Nov 4
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
191 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — per-field provenance varies and is published with the dataset.

Score your parcel · free to start

Your yard isn't the whole zone.

Indiana spans zones 5b-7b, but your yard sits in exactly one — and slope, tree cover, and cold-air pockets nudge it further. Enter your address and we'll score prairie coneflower against your parcel's actual hardiness, soil, and sun.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

No card required · your parcel report in seconds — read in full free for your first 14 days

Indiana is not one climate

Indiana’s winter-low ladder runs across 92 counties, from zone 5.5 in Benton County to zone 7 in Warrick County. That is 15°F between the two counties’ average coldest night — the difference between prairie coneflower overwintering in the ground and coming under cover.

5.5 zonesBenton County7 zonesWarrick County

The middle half of 92 counties runs 6–6.5 zones, with a median of 6 zones — a 1.5-zone span end to end.

Measured across 92 Indiana counties. USDA PHZM 2023, per county. Quartiles are order statistics — every figure shown is a value a real county recorded, not an interpolation. Your own site sits somewhere inside this range; a parcel report resolves where.

Where in Indiana Fits Best

Even within Indiana's zones 5b-7b, county microclimates differ enough to change what thrives. These counties carry the closest zone match for prairie coneflower (USDA PHZM 2023):

Zone Comparison

Prairie Coneflower Needs

  • USDA Zones: 3-9
  • Sun: Full Sun
  • Mature size: 3.1 ft tall
  • Picking window: ~45 days of harvestWe haven't confirmed this against a published source yet.
  • Drought tolerance: Medium

Indiana Has

  • USDA Zones: 5b-7b
  • Last Hard Freeze (28°F): Apr 4 - Apr 9
  • First Hard Freeze (28°F): Oct 30 - Nov 4
  • Annual Rainfall: 36-46 inches
  • Common Soils: Silt loam, Clay loam, Glacial till

Plant Zone Range (zones 3-9)

3a
9b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 5.9 – 7.0

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS, and university Extension sources — per-field provenance varies and is published with the dataset. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.

When to Plant Prairie Coneflower in Indiana

The frost window

Across Indiana, the last spring hard freeze (28°F) clears between Apr 4 and Apr 9, and the first fall hard freeze lands between Oct 30 and Nov 4 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 204-day window you can count on — up to 214 days on a mild site in a kind year. That marks the hard freeze, not the last light frost, so tender transplants usually wait another 2-3 weeks.

Winter standing

Indiana runs as cold as USDA zone 5, and no sourced winter-hardiness floor is on record for prairie coneflower, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether prairie coneflower is a permanent planting or a replant-every-spring crop for you turns on your own zone within Indiana; check its hardiness range against that before treating it as long-lived ground.

Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: Growable Ground Plant Database — frost-free days from FAO ECOCROP, days to harvest from university Extension production guides, and growing-degree-day and chill-hour minimums that are compilation estimates rather than published figures. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.

Soil + Drainage Fit

Prairie Coneflower likes near-neutral soil (pH 5.9-7). That's the common-ground band across Indiana's silt loam and clay loam — a soil test confirms it for your site.

Plant pH requirements: FAO ECOCROP and USDA PLANTS, with the remaining rows from other published sources or Growable Ground compilation. Drainage: FAO ECOCROP, with the remaining rows from other published sources or Growable Ground compilation. Indiana soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

What Else to Consider for Prairie Coneflower in Indiana

Zone compatibility tells you about winter cold survival — but Indiana growers also need to think about:

Heavy clay soils limit drainage in many areas

Late spring frosts through early May

Hot humid summers promote blight and mildew

What to actually do about these — and the constraints that apply to every Indiana grower, not just prairie coneflower — is covered on the Indiana growing guide.

Where in Indiana Prairie Coneflower Is Zone-Hardy

Prairie Coneflower is rated for USDA zones 3–9. Every one of Indiana’s 92 counties sits inside that band — from Benton County at zone 5b to Warrick County at zone 7a — so winter cold is not what decides this plant anywhere in the state. What is left to vary is your own parcel: slope, shelter and cold-air drainage routinely move a site half a zone either way from the county figure.

Across those 92 counties Indiana’s winter-low ladder runs from zone 5b in Benton County to zone 7a in Warrick County — 1.5 USDA zones of spread, which is 15°F between the two counties’ average coldest night of the year. That is why a statewide hardiness answer is where you start and not where you finish.

The planting window moves with it. Steuben County holds its last hard freeze (28°F) until about Apr 18, while Posey County is clear by Mar 23 — 26 days apart. Set prairie coneflower out on your county’s date, not the state’s.

County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. County last-freeze dates: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F killing freeze — earlier than the folk 32°F "last frost". Prairie Coneflower’s zone 3–9 band: Not verified. A parcel report resolves your address’s own zone and frost dates rather than its county’s.

Pollinator + Wildlife Value

Prairie Coneflower draws pollinators. Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, prairie coneflower can only work that bloom inside Indiana's frost window — roughly 209 days, opening after the last 28°F freeze (Apr 4 - Apr 9) and closing at the first (Oct 30 - Nov 4), per NOAA Regional Climate Centers ACIS, 1991-2020.

Indiana Cooperative Extension

For Indiana-specific cultivar recommendations, planting calendars, and pest pressure for prairie coneflower, the canonical source is Purdue Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.

Is Prairie Coneflower native to Indiana?

The USDA PLANTS Database (accessed 2026-10-19) lists Prairie Coneflower as native to the Lower 48 and records it growing in Indiana, but it does not say whether those Indiana plants are native or introduced. Your state's native plant society or Cooperative Extension can tell you whether it is part of the local flora.

State records: USDA PLANTS Database state-distribution data (presence, not state-level nativity), accessed 2026-10-19.

Common Questions About Growing Prairie Coneflower in Indiana

When can I plant Prairie Coneflower in Indiana?

Indiana's last spring hard freeze (28°F) clears between Apr 4 and Apr 9, and the first fall hard freeze lands between Oct 30 and Nov 4 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Prairie Coneflower, so this page does not state whether it overwinters in Indiana and publishes no fall establishment date for it — check its hardiness range against your own zone before treating it as a permanent planting.

What hardiness zone is Prairie Coneflower grown in across Indiana?

Indiana spans USDA hardiness zones 5b-7b (USDA ARS PHZM 2023). Prairie Coneflower carries a range of zones 3-9, so the overlap zones are where outdoor growing is most reliable.

How many frost-free days does a typical Indiana site have?

A typical Indiana site sees ~209 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Prairie Coneflower needs 90+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.

Is Prairie Coneflower native to Indiana?

The USDA PLANTS Database (accessed 2026-10-19) lists Prairie Coneflower as native to the Lower 48 and records it growing in Indiana, but it does not say whether those Indiana plants are native or introduced. Your state's native plant society or Cooperative Extension can tell you whether it is part of the local flora.

How should I amend the soil for Prairie Coneflower in Indiana?

Prairie Coneflower prefers pH 5.9-7 (USDA NRCS PLANTS Database). That sits in the common-ground band across Indiana soils — a 30-minute soil test from a local Extension lab confirms it for your specific site.

Will Prairie Coneflower actually grow on my specific land in Indiana?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores prairie coneflower against your address's mapped soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.

Free to start

Check your specific parcel in Indiana

State-level data is a sketch. Your Growable Ground report scores prairie coneflower against your land's mapped soil, modelled sun, drainage, and frost data — not zone averages.

Three things about your lot that Indiana prairie coneflower averages can't show:

Your soil pHYour frost-free days — Indiana averages 209Your sun & shade

We read public map data around Indiana — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the Indiana prairie coneflower average

Explore More

Explore Indiana county by county

Indiana carries 92 counties with their own USDA zone — a sample of the growing pages for prairie coneflower there:

Where else prairie coneflower grows

Prairie Coneflower's zone band crosses state lines — these are the states closest to Indiana in winter climate where it also has a page, plus the far ends of its range. Each one re-answers the question with that state's own record.

More to grow in Indiana

Indiana has a growing page for 891 plants — a rotating sample of the rest of the shelf.

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