Can I Grow Creosote Bush in Indiana?

USDA Zones 5b-7b · Plant zone range 7-10

Conditional — Some Areas

creosote bush (zones 7-10) reaches only part of Indiana (5b-7b): zone 7 are in range, so where you are in the state decides it.

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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 creosote bush against your parcel's actual hardiness, soil, and sun.

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Zone Comparison

Creosote Bush Needs

  • USDA Zones: 7-10
  • Frost-Free Days: 250+
  • Sun: Full Sun
  • Mature size: 10 ft tall
  • Drought tolerance: High

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 7-10)

7a
10b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 7.08.5

Plant data: USDA PLANTS Database / Growable Ground plant catalog. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.

When to Plant Creosote Bush 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 creosote bush, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether creosote bush 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: USDA PLANTS Database. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.

Growing Season Fit

The zone check says creosote bush survives winter in part of Indiana, not across all of it. Whether the season is long enough — and warm enough — is a different question.

Frost-free days

Creosote Bush wants 250+ frost-free days; a typical Indiana site sees ~209 (NOAA Regional Climate Centers ACIS, 1991-2020) — 41 days short of what it needs. A typical Indiana season does not carry this crop to harvest outdoors, and a gap that size is not one an earlier sowing date or a faster cultivar closes; growing it here means growing it under cover.

Chill hours

Creosote Bush has no winter-chill requirement — its listed minimum is 0 hours (USDA PLANTS Database). Indiana typically banks ~2500 chill hours per winter (from PRISM 1991-2020 climate normals), so chill is not a constraint on this plant here — and not evidence in its favour either. Winter survival and season length are what decide it.

GDD and chill-hour figures are computed from PRISM 1991-2020 monthly climate normals; frost-free days from NOAA Regional Climate Centers ACIS, 1991-2020. Each is the state median across its counties (P25/P75 span the within-state spread). Hardiness-zone range is USDA PHZM 2023.

Soil + Drainage Fit

Creosote Bush likes near-neutral soil (pH 7-8.5). That's the common-ground band across Indiana's silt loam and clay loam — a soil test confirms it for your site. It will grow across that whole span, but it does best between pH 7 and 8 — worth knowing before you decide whether a Indiana soil test result is a problem or just a number. Drainage requirement: excessive (dry/moderately dry). A soil-survey lookup (NRCS SSURGO) flags whether your specific site matches.

Plant pH and drainage requirements from USDA PLANTS Database. Indiana soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

Creosote Bush in Indiana — Quick Answer

  • Verdict: Conditional — Some Areas
  • Plant Zones: 7-10 (USDA PLANTS Database)
  • State Zones: 5b-7b (USDA ARS PHZM 2023)
  • Growing Season: 28°F hard freezes about Apr 4 - Apr 9 to Oct 30 - Nov 4 (NOAA Regional Climate Centers ACIS, 1991-2020)

What Else to Consider for Creosote Bush 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 creosote bush — is covered on the Indiana growing guide.

Timing shifts within Indiana

Creosote Bush needs about 250 days of frost-free season to complete its cycle. No Indiana county gives it that outdoors: even Posey County, the state’s longest season at 232 frost-free days, falls 18 days short — so it needs transplants, a short-season variety, or covered growing.

County last-freeze dates and frost-free day counts: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F freeze (earlier than the folk 32°F "last frost"). Creosote Bush's 250-day requirement: USDA PLANTS / Growable Ground plant database (minimum frost-free days). A parcel report resolves your address's own frost dates.

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 creosote bush (USDA PHZM 2023):

Pollinator + Wildlife Value

Creosote Bush draws native bees (high value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, creosote bush 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 creosote bush, the canonical source is Purdue Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.

Is Creosote Bush native to Indiana?

Creosote Bush is native to parts of the Lower 48, but the USDA PLANTS Database (accessed 2026-07-01) does not document a native range in Indiana. It can still earn a place in a Indiana garden — the zone comparison above tells you whether it will thrive.

Looking for plants that belong here? The Indiana growing guide lists USDA-documented natives for the state.

Native-range data: USDA PLANTS Database state-distribution records, accessed 2026-07-01.

Common Questions About Growing Creosote Bush in Indiana

When can I plant Creosote Bush 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 Creosote Bush, 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 Creosote Bush grown in across Indiana?

Indiana spans USDA hardiness zones 5b-7b (USDA ARS PHZM 2023). Creosote Bush carries a range of zones 7-10, 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). Creosote Bush needs 250+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.

Is Creosote Bush native to Indiana?

Creosote Bush is native to parts of the Lower 48, but the USDA PLANTS Database (accessed 2026-07-01) does not document a native range in Indiana. It can still earn a place in a Indiana garden — the zone comparison above tells you whether it will thrive.

How should I amend the soil for Creosote Bush in Indiana?

Creosote Bush prefers pH 7-8.5 and excessive (dry/moderately dry) drainage (Growable Ground Plant 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 Creosote Bush actually grow on my specific land in Indiana?

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

Free Report

Check your specific parcel in Indiana

State-level data is a sketch. Your Growable Ground report scores creosote bush against your parcel's exact soil, sun, drainage, and frost data — not zone averages.

Three things about your lot that Indiana creosote bush 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 creosote bush average

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