Westhope, North Dakota, sits in USDA hardiness zone 3b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
The conditions favor cabbage, cranberry, epazote, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Westhope, 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 Westhope lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.
We read public map data around Westhope — soil, climate, flood, and parcel records. How we handle your address.
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Westhope — the short answer
Westhope, North Dakota: USDA zone 3b, about 145 days between hard freezes, across 207 acres of city.
- USDA zone
- 3b
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 7
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Sep 29
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~145
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 207 acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 3b is Westhope's average, not your lot's — a low corner or a tree line moves it. Against Westhope's 145-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Westhope
Each reading below is measured for Westhope itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredWesthope runs about 145 days between hard freezes — a short growing season.
Long-maturing crops like melons, sweet potatoes, and winter squash can run out of runway before the first hard freeze, ripening late or not at all.
Lead with fast-maturing varieties, and stretch the season on both ends with cold frames, low tunnels, or a greenhouse.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredWesthope sits in USDA hardiness zone 3b.
The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.
Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.
USDA PHZM 2023
The kind of country Westhope is in
Westhope sits in the Northern Glaciated Plains — EPA Level III, inside the wider Great Plains. That is read at Westhope's own centroid rather than borrowed from Bottineau County.
What Grows in Westhope
Every plant below cleared Westhope's own zone 3b and its 145-day season. Each card opens that plant's North Dakota profile. How we score.
Is it too late to plant in Westhope?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Apr 9; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 7 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Sep 29 — long-season crops need about 90 days of runway, quick greens only 30. Short seasons reward decisiveness — quick-maturing varieties late, hardy greens under cover, and next year’s garlic in the ground before it closes.
What's on the federal record near Westhope
Closest first, within ~10 miles of Westhope. Listing isn't leaking, and distance isn't exposure.
- Hagens ConocoUnderground Storage Tanks · 1000 ft
- Farmers Union Oil CompanyUnderground Storage Tanks · 1200 ft
- Westhope Airport AuthorityUnderground Storage Tanks · 2600 ft
- Koch Service yard District 25Underground Storage Tanks · 0.7 mi
- 163-080-26DDCNitrate · 0.9 mi
- 163-080-22ABBNitrate · 1.8 mi
- 162-080-09BBCNitrate · 3.0 mi
- 163-080-02DCDNitrate · 3.9 mi
- Border Crossing StationUnderground Storage Tanks · 6.0 mi
- Customer Critters Taxidermy & Country VarietyUnderground Storage Tanks · 6.2 mi
- 162-080-35BBBNitrate · 6.3 mi
- 162-081-11BCCNitrate · 6.3 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Westhope's center, not your beds. Run your own address for what's upwind of you specifically.
Environmental Intelligence
The counts behind that headline — every source type on the record near Westhope.
Severity Distribution
within ~10 miles of Westhope
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Westhope, Nitrate runs higher than the national average — 30 sites within ~10 miles of Westhope. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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).
Check your specific parcel in Westhope
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.
25+ data sources read at your address, not the Westhope average
Your land is one point inside Westhope
Everything above resolves to Westhope as a whole — one PHZM band and one 28°F frost record, read across 207 acres. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at city scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.
Your Lot vs the Westhope Average
Westhope Average
- ●USDA Zones 3b, averaged across Westhope
- ●One soil character for all of Westhope
- ●Frost dates read at Westhope's scale: May 7 to Sep 29
YOUR Parcel
- ✓Your exact zone, not Westhope's 3b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Westhope
Pull a site-specific report for your exact address in Westhope, North Dakota — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Westhope averages can't show:
We read public map data around Westhope — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Westhope average
How we know this about Westhope
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Westhope’s own record; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at city grain anywhere on this page — there is no city-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.
Common questions about Westhope
When does frost risk typically end in Westhope?
The last hard freeze (28°F) in Westhope typically lands around May 7, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about May 28.
When is the first frost in Westhope?
The first hard freeze (28°F) in Westhope typically arrives around Sep 29, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 15, so the watching starts about Aug 30 — about 145 days after the spring freeze cleared.
How long is the growing season in Westhope?
Measured between 28°F hard freezes, Westhope sees about 145 frost-free days — roughly May 7 through Sep 29, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 28 to Sep 15, about 110 days.
Is the soil safe to grow vegetables in Westhope?
The federal record around Westhope is light — 38 documented sites across the 9 federal source types we checked, mostly Nitrate entries (30), the nearest Underground Storage Tanks record about 0.2 miles out — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.
How do gardeners stretch the season in Westhope?
With about 145 frost-free days between hard freezes, Westhope rewards the classic extension moves: floating row cover buys roughly two to four extra weeks at each shoulder — on this season that is a working window nearer 173 to 201 days — and cold frames or low tunnels buy more. Starting transplants indoors ahead of the May 7 hard-freeze normal stretches the season without touching the calendar.
Everything above is measured at Westhope's scale — its 3b band and its 145-day season. Your yard writes its own version of Westhope's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
What this page reads at Westhope’s own scale
6 of the readings below were taken at Westhope's own scale — its own ~145-day season between 28°F freezes, the 207 acres it covers and 38 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Westhope's own USDA hardiness band, zones 3bUSDA PHZM 2023
- Westhope's own 28°F hard-freeze dates, about May 7 and Sep 29 and the ~145-day span between themNOAA 1991–2020 Climate Normals
- 38 documented contamination sites on the federal record near Westhope, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Westhope's boundary and the 207 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 3b and a ~145-day seasonGrowable Ground crop-matching engine
- The ecoregion at Westhope's own centroid, the Northern Glaciated PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Westhope's 207 acres read through its county's SSURGO summaryfrom Bottineau County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Bottineau County
- The growing challenges every North Dakota grower plans around — written at state scale, so they stay on the state guidefrom North Dakota
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Bottineau County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Westhope's 207 acreswhy one lot differs from the next →
- Which side of Westhope you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 207 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 miles out, measured from the town centrehow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any Westhope-wide figureread your own land →
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