Chinese chestnut (Castanea mollissima), photographi

Can I Grow Chinese Chestnut in North Dakota?

USDA Zones 3b-4b · Plant zone range 4-8

Generally — Most Areas

Chinese chestnut (zones 4-8) suits most of North Dakota (3b-4b) — zone 4 are in range, and the rest of the state is the exception.

Chinese Chestnut in North Dakota — the short answer

Chinese Chestnut in North Dakota: hardy in zones 4–8, full sun, against a state median of ~157 frost-free days.

Plant zones
4-8
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
North Dakota zones
3b-4b
USDA PHZM 2023
Frost window
Apr 30 - May 6 – Oct 4 - Oct 9
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
141 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Days to maturity
1460 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.

North Dakota spans zones 3b-4b, 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 chinese chestnut 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

North Dakota is not one climate

North Dakota’s winter-low ladder runs across 53 counties, from zone 3.5 in Bottineau County to zone 4.5 in Stutsman County. That is 10°F between the two counties’ average coldest night — the difference between chinese chestnut overwintering in the ground and coming under cover.

3.5 zonesBottineau County4.5 zonesStutsman County

The middle half of 53 counties runs 44 zones, with a median of 4 zones — a 1-zone span end to end.

Measured across 53 North Dakota 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 North Dakota Fits Best

Chinese Chestnut is rated for zones 48 — a cold floor USDA puts at -30 to -20°F. Against North Dakota’s 53 counties that band holds in 47 of them, and the line runs at Barnes County (zone 4a), the coldest county still inside it.

Inside zones 4–8

47 counties

3 of 47 shown

Below the zone 4 floor

6 counties

3 of 6 shown

Winter cold is the limit here — the same plant works in a container that comes under cover.

County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. A zone is a 10°F band of average annual extreme minimum temperature, so the floor above is the band the plant's rating denotes, not a single measured kill point. Slope, shelter and cold-air drainage routinely move a site half a zone either way from its county figure — which is the part only your address resolves.

Even within North Dakota's zones 3b-4b, county microclimates differ enough to change what thrives. These counties carry the closest zone match for chinese chestnut (USDA PHZM 2023):

Zone Comparison

Chinese Chestnut Needs

  • USDA Zones: 4-8
  • Frost-Free Days: 150+
  • Sun: Full Sun
  • Mature size: 40 ft tall
  • Drought tolerance: Medium

North Dakota Has

  • USDA Zones: 3b-4b
  • Last Hard Freeze (28°F): Apr 30 - May 6
  • First Hard Freeze (28°F): Oct 4 - Oct 9
  • Annual Rainfall: 14-22 inches
  • Common Soils: Prairie loam, Clay (Red River Valley), Sandy loam

Plant Zone Range (zones 4-8)

4a
8b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 5.07.5

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 Chinese Chestnut in North Dakota

The frost window

Across North Dakota, the last spring hard freeze (28°F) clears between Apr 30 and May 6, and the first fall hard freeze lands between Oct 4 and Oct 9 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 151-day window you can count on — up to 162 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

North Dakota runs as cold as USDA zone 3, and no sourced winter-hardiness floor is on record for chinese chestnut, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether chinese chestnut is a permanent planting or a replant-every-spring crop for you turns on your own zone within North Dakota; 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.

Growing Season Fit

The zone check says chinese chestnut survives winter in part of North Dakota, not across all of it. Whether the season is long enough — and warm enough — is a different question.

Frost-free days

Chinese Chestnut wants 150+ frost-free days; a typical North Dakota site sees ~157 (NOAA Regional Climate Centers ACIS, 1991-2020). That leaves a tight window — use transplants and pick early-maturing cultivars.

Growing degree days

Chinese Chestnut needs ~2200 GDD (base 50°F) to ripen. The state median runs ~1913 GDD (from PRISM 1991-2020 climate normals), so North Dakota's typical season runs short on heat — pick a south-facing site and consider season extension.

Chill hours

Chinese Chestnut requires ~600 chill hours (32-45°F dormancy window). North Dakota 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

Chinese Chestnut likes near-neutral soil (pH 5-7.5). That's the common-ground band across North Dakota's prairie loam and clay (red river valley) — a soil test confirms it for your site. It will grow across that whole span, but it does best between pH 5.5 and 6.5 — worth knowing before you decide whether a North Dakota soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your North Dakota site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.

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

Before you plant chinese chestnut 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 chinese chestnut goes in. What follows is North Dakota’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 North Dakota — and how to grow with it.

Federal record: High

We checked the federal record across North Dakota20,590 documented sites across 6 of the 9 source types we track.

The most significant on record: 22 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

North Dakota 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.

Know before you grow — the guide

Sources Checked

across North Dakota

Severity Distribution

across North Dakota

High37Moderate16,959Low3,594

Highest-Severity Sites

Superfund · Superfund NPL
PFAS Sampling · PFAS Detected
PFAS Sampling · PFAS Detected
PFAS Sampling · PFAS Detected
PFAS Sampling · PFAS Detected

A note from Gnorman

What an experienced grower watches for around here

In and around North Dakota, Nitrate runs higher than the national average — 15,844 sites across North Dakota. 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 Chinese Chestnut in North Dakota

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

Extreme cold (-40F) and short growing season

Persistent wind desiccates plants

Low rainfall in western ND

What to actually do about these — and the constraints that apply to every North Dakota grower, not just chinese chestnut — is covered on the North Dakota growing guide.

Timing shifts within North Dakota

Chinese Chestnut needs about 150 days of frost-free season to complete its cycle. 44 of North Dakota’s 53 counties give it that outright. The tightest that does is Dunn County at 150 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"). Chinese Chestnut's 150-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

Chinese Chestnut draws honeybees and native bees (high value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, chinese chestnut can only work that bloom inside North Dakota's frost window — roughly 157 days, opening after the last 28°F freeze (Apr 30 - May 6) and closing at the first (Oct 4 - Oct 9), per NOAA Regional Climate Centers ACIS, 1991-2020.

North Dakota Cooperative Extension

For North Dakota-specific cultivar recommendations, planting calendars, and pest pressure for chinese chestnut, the canonical source is NDSU Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.

Is Chinese Chestnut native to North Dakota?

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

Looking for plants that belong here? The North Dakota 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 Chinese Chestnut in North Dakota

When can I plant Chinese Chestnut in North Dakota?

North Dakota's last spring hard freeze (28°F) clears between Apr 30 and May 6, and the first fall hard freeze lands between Oct 4 and Oct 9 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Chinese Chestnut, so this page does not state whether it overwinters in North Dakota 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 Chinese Chestnut grown in across North Dakota?

North Dakota spans USDA hardiness zones 3b-4b (USDA ARS PHZM 2023). Chinese Chestnut carries a range of zones 4-8, so the overlap zones are where outdoor growing is most reliable.

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

A typical North Dakota site sees ~157 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Chinese Chestnut needs 150+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.

Is Chinese Chestnut native to North Dakota?

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

How should I amend the soil for Chinese Chestnut in North Dakota?

Chinese Chestnut prefers pH 5-7.5 and well (dry spells) drainage (FAO ECOCROP). That sits in the common-ground band across North Dakota soils — a 30-minute soil test from a local Extension lab confirms it for your specific site.

Will Chinese Chestnut actually grow on my specific land in North Dakota?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores chinese chestnut 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 North Dakota

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

Three things about your lot that North Dakota chinese chestnut averages can't show:

Your soil pHYour frost-free days — North Dakota averages 157Your sun & shade

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

25+ data sources read at your address, not the North Dakota chinese chestnut average

Explore More

Explore North Dakota county by county

North Dakota carries 53 counties with their own USDA zone — a sample of the growing pages for chinese chestnut there:

Where else chinese chestnut grows

Chinese Chestnut's zone band crosses state lines — these are the states closest to North Dakota 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 North Dakota

North Dakota has a growing page for 745 plants — a rotating sample of the rest of the shelf.

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