apricot (Prunus armeniaca), photographi

Can I Grow Apricot in Iowa?

USDA Zones 4b-6a · Plant zone range 4-9

Yes — Strong Match

apricot (zones 4-9) covers every zone Iowa contains (4b-6a), so hardiness is not what limits it anywhere in the state.

Apricot in Iowa — the short answer

Apricot in Iowa: hardy in zones 4–9, full sun, against a state median of ~189 frost-free days.

Plant zones
4-9
Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
Iowa zones
4b-6a
USDA PHZM 2023
Frost window
Apr 10 - Apr 17 – Oct 18 - Oct 23
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
168 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Days to maturity
1095 days
Growable Ground Plant Database

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

Your yard isn't the whole zone.

Iowa spans zones 4b-6a, 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 apricot 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 full report in seconds

Iowa is not one climate

Iowa’s winter-low ladder runs across 99 counties, from zone 4.5 in Clayton County to zone 6 in Lee County. That is 15°F between the two counties’ average coldest night — the difference between apricot overwintering in the ground and coming under cover.

4.5 zonesClayton County6 zonesLee County

The middle half of 99 counties runs 55.5 zones, with a median of 5 zones — a 1.5-zone span end to end.

Measured across 99 Iowa 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 Iowa Fits Best

Even within Iowa's zones 4b-6a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for apricot (USDA PHZM 2023):

Zone Comparison

Apricot Needs

  • USDA Zones: 4-9
  • Frost-Free Days: 180+
  • Sun: Full Sun
  • Mature size: 25 ft tall
  • Picking window: ~60 days of harvest
  • Drought tolerance: Medium

Iowa Has

  • USDA Zones: 4b-6a
  • Last Hard Freeze (28°F): Apr 10 - Apr 17
  • First Hard Freeze (28°F): Oct 18 - Oct 23
  • Annual Rainfall: 26-36 inches
  • Common Soils: Prairie loess, Silt loam, Clay loam

Plant Zone Range (zones 4-9)

4a
9b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 5.08.0

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 Apricot in Iowa

The frost window

Across Iowa, the last spring hard freeze (28°F) clears between Apr 10 and Apr 17, and the first fall hard freeze lands between Oct 18 and Oct 23 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 184-day window you can count on — up to 196 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

Iowa runs as cold as USDA zone 4, and no sourced winter-hardiness floor is on record for apricot, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether apricot is a permanent planting or a replant-every-spring crop for you turns on your own zone within Iowa; check its hardiness range against that before treating it as long-lived ground.

Timing tuned to sub-state frost dates — Howard County, not the statewide average.

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.

Growing Season Fit

The zone check says apricot survives winter here. Whether the season is long enough — and warm enough — is a different question.

Frost-free days

Apricot wants 180+ frost-free days; a typical Iowa site sees ~189 (NOAA Regional Climate Centers ACIS, 1991-2020). That leaves a tight window — use transplants and pick early-maturing cultivars.

Growing degree days

Apricot needs ~1800 GDD (base 50°F) to ripen. The state median runs ~2730 GDD (from PRISM 1991-2020 climate normals), so Iowa's typical season clears that easily.

Chill hours

Apricot requires ~400 chill hours (32-45°F dormancy window). Iowa typically banks ~2500 chill hours per winter (from PRISM 1991-2020 climate normals), which keeps this plant on track.

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

Apricot tolerates a wide pH range (pH 5-8) — 3 units, acid ground through alkaline — so soil acidity is rarely what limits it in Iowa. A soil test is still worth having, but for what else it tells you about this site, not to clear this plant. It will grow across that whole span, but it does best between pH 6.5 and 7 — worth knowing before you decide whether a Iowa soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your Iowa site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.

Your land, not the state average

SSURGO maps about 42.9% of Iowa as poorly or somewhat-poorly drained, and the class flips parcel to parcel. Apricot sits mid-range for drought tolerance, so either extreme can cost you — your soil map unit, not the state average, is the real answer.

Check your parcel → Source: USDA NRCS SSURGO.

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. Iowa soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

Before you plant apricot for food

Anything you grow to eat takes up what is in the ground it grows in, so what is on record near you is worth knowing before apricot goes in. What follows is Iowa’s documented federal record at state scale — a screening signal, not a soil test, and not a statement about any one lot.

Safe to Grow Here?

What the federal record shows across Iowa — and how to grow with it.

Federal record: High

We checked the federal record across Iowa28,062 documented sites across 8 of the 9 source types we track.

The most significant on record: 122 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Iowa carries one of the heavier federal records we track — and that's not a verdict on your yard. Proximity to a documented site is information, not a diagnosis: nothing here says any particular parcel is affected. It does earn one concrete step — before food beds go in the ground, a professional soil test tells you exactly what you're working with, and raised beds with clean imported soil grow well almost anywhere in the meantime.

Severity Distribution

across Iowa

High208Moderate12,338Low15,516

Highest-Severity Sites

Aidex Corp.
Superfund · Superfund NPL
Albia Municipal Water Works
PFAS Sampling · PFAS Detected
Algona Municipal Utilities
PFAS Sampling · PFAS Detected
Altoona Water Supply
PFAS Sampling · PFAS Detected
Ames Water Treatment Plant
PFAS Sampling · PFAS Detected

A note from Gnorman

What an experienced grower watches for around here

In and around Iowa, Nitrate runs higher than the national average — 8,028 sites across Iowa. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.

Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.

Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).

Sources: EPA, USGS1.8M documented sites tracked nationwide across 9 federal source types.

What Else to Consider for Apricot in Iowa

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

Cold winters reaching -20F or below

Variable spring weather delays planting

Wind exposure on open prairies desiccates plants

Growing apricot here specifically

Apricot needs sharp drainage and sends deep roots; its growing tissue takes cold to about 30°F (FAO ECOCROP), but in Iowa, about 42.9% of soils are poorly-drained (SSURGO), and standing water is what actually kills it.

Build apricot up on a coarse, free-draining mound so its crown never sit in saturated soil. How to handle it →

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

Timing shifts within Iowa

Iowa isn't one climate. In Howard County, the last hard freeze (28°F) holds until about Apr 24 — roughly 10 days later than the recorded state median — so plant apricot to your county's window, not the statewide date.

Apricot needs about 180 days of frost-free season to complete its cycle. 90 of Iowa’s 99 counties give it that outright. The tightest that does is Plymouth County at 180 frost-free days — 0 to spare. Below that line you are transplanting or extending the season, not direct-sowing.

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"). Apricot's 180-day requirement: USDA PLANTS / Growable Ground plant database (minimum frost-free days). A parcel report resolves your address's own frost dates.

Pollinator + Wildlife Value

Apricot draws honeybees, native bees, and butterflies (high value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, apricot can only work that bloom inside Iowa's frost window — roughly 189 days, opening after the last 28°F freeze (Apr 10 - Apr 17) and closing at the first (Oct 18 - Oct 23), per NOAA Regional Climate Centers ACIS, 1991-2020.

Good to Know Before You Plant Apricot

Apricot is listed as toxic to dogs, cats, horses (seeds, leaves, bark) at a moderate level (ASPCA). Most listed plants only cause brief upset — a raised bed or a fenced corner usually keeps curious pets clear.

Iowa Cooperative Extension

For Iowa-specific cultivar recommendations, planting calendars, and pest pressure for apricot, the canonical source is Iowa State University Extension and Outreach. Their fact sheets carry the local trial data we can't generalize across 50 states.

Is Apricot native to Iowa?

No — the USDA PLANTS Database lists Apricot as introduced rather than native in the Lower 48, so it is not part of Iowa's native flora. It grows here as a garden plant; pairing it with a few Iowa natives keeps local pollinators fed too.

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

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

What pests threaten apricot in Iowa?

Japanese beetle is documented in Iowa and will find apricot, but it is manageable here. What an experienced grower watches for, and does:

Japanese beetle

Japanese beetle

Worth watching

Japanese beetles feed readily on Prunus fruit and nut trees — the University of Kentucky lists cherries, plums, peaches and their relatives among the plants likely to be attacked. The University of Minnesota's read keeps it in proportion: fruits and their trees tolerate limited leaf feeding, and in most cases the damage is cosmetic rather than a threat to the harvest.

What to do: Protect it through the few peak weeks of midsummer, not all season. Handpick beetles into soapy water in the cool of morning, harvest regularly through July and August to take feeding pressure off the fruit, and keep the tree well watered. Do not hang a Japanese beetle trap — the lures draw in more beetles than they remove.

Documented range: states listed as Japanese-beetle infested · University of Kentucky Entomology, University of Minnesota Extension, National Plant Board

The full japanese beetle playbook

Only pests whose documented range and host relationship both trace to a primary source appear here — so a quiet section means we have nothing sourced to tell you, not that your garden is pest-free.

Common Questions About Growing Apricot in Iowa

When can I plant Apricot in Iowa?

Iowa's last spring hard freeze (28°F) clears between Apr 10 and Apr 17, and the first fall hard freeze lands between Oct 18 and Oct 23 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Apricot, so this page does not state whether it overwinters in Iowa 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 Apricot grown in across Iowa?

Iowa spans USDA hardiness zones 4b-6a (USDA ARS PHZM 2023). Apricot carries a range of zones 4-9, so the overlap zones are where outdoor growing is most reliable.

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

A typical Iowa site sees ~189 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Apricot needs 180+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date. In cooler counties like Howard, the freeze-free season runs shorter than the state average, so verify your own county's window.

Is Apricot native to Iowa?

No — the USDA PLANTS Database lists Apricot as introduced rather than native in the Lower 48, so it is not part of Iowa's native flora. It grows here as a garden plant; pairing it with a few Iowa natives keeps local pollinators fed too.

How should I amend the soil for Apricot in Iowa?

Apricot tolerates pH 5-8 and well (dry spells) drainage (FAO ECOCROP). That is a 3-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a Iowa site — amend for drainage and organic matter first.

Will Apricot actually grow on my specific land in Iowa?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores apricot 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 Iowa

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

Three things about your lot that Iowa apricot averages can't show:

Your soil pHYour frost-free days — Iowa averages 189Your sun & shade

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

25+ data sources read at your address, not the Iowa apricot average

Analysis by the Growable Ground research team, grounded in USDA PLANTS, USDA NRCS SSURGO, NOAA Climate Normals (1991-2020), and named Cooperative Extension sources. How we know →

Cite this dataset

Kirchick, M. (2026). Growable Ground Plant Database [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21435643

Licensed CC BY-NC 4.0. DOI 10.5281/zenodo.21435643

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