Westgate, Iowa, sits in USDA hardiness zone 5a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
Expect cabbage, cranberry, lavender, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Westgate, 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 Westgate 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 Westgate — soil, climate, flood, and parcel records. How we handle your address.
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Westgate — the short answer
Westgate, Iowa: USDA zone 5a, about 185 days between hard freezes, across 233 acres of city.
- USDA zone
- 5a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 16
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 18
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~185
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 233 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 5a is Westgate's average, not your lot's — a low corner or a tree line moves it. Against Westgate's 185-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Westgate
Each reading below is measured for Westgate itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredWestgate runs about 185 days between hard freezes — a moderate growing season.
There is room for the full run of cool-season crops plus a warm-season main crop, but the calendar is tight enough that a late spring or early fall frost still decides how much finishes.
Time warm-season transplants to your last hard freeze, and a few weeks of season extension turns a near-miss harvest into a sure one.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredWestgate sits in USDA hardiness zone 5a.
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 Westgate is in
Westgate sits in the Western Corn Belt Plains — EPA Level III, inside the wider Great Plains. That is read at Westgate's own centroid rather than borrowed from Fayette County.
What Grows in Westgate
Every plant below cleared Westgate's own zone 5a and its 185-day season. Each card opens that plant's Iowa profile. How we score.
Is it too late to plant in Westgate?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Mar 19; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 16 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 18 — long-season crops need about 90 days of runway, quick greens only 30. As the window narrows, the plantings just get faster — fall brassicas, then greens, then garlic to finish.
What's on the federal record near Westgate
Closest first, within ~10 miles of Westgate. Listing isn't leaking, and distance isn't exposure.
- 092N10W23BDBD 1906Westgate 1Nitrate · 150 ft
- FAYETTE COUNTY ENGINEERUnderground Storage Tanks · 150 ft
- BATHKE AUTOUnderground Storage Tanks · 850 ft
- SABIN PROPERTYUnderground Storage Tanks · 850 ft
- INTERNATIONAL INGREDIENTToxics Release Inventory · 4.2 mi
- Not KnownUnderground Storage Tanks · 5.3 mi
- DEKALB-PFIZERUnderground Storage Tanks · 5.4 mi
- PURINA MILLS INCUnderground Storage Tanks · 5.6 mi
- WAPSIE VALLEY HIGH SCHOOLUnderground Storage Tanks · 5.7 mi
- CASEY''S GENERAL STORE 2639Underground Storage Tanks · 5.7 mi
- WOLFE GARAGEUnderground Storage Tanks · 5.8 mi
- MAYNARDUnderground Storage Tanks · 5.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Westgate'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 Westgate.
Total Sites
175
within ~10 miles of Westgate
Risk Level
Moderate
Highest-severity
11 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Westgate
Severity Distribution
within ~10 miles of Westgate
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Westgate, Toxics Release Inventory runs higher than the national average — 11 sites within ~10 miles of Westgate. That's not a problem with your land — it's information about it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Westgate
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 Westgate average
Your land is one point inside Westgate
Everything above resolves to Westgate as a whole — one PHZM band and one 28°F frost record, read across 233 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 Westgate Average
Westgate Average
- ●USDA Zones 5a, averaged across Westgate
- ●One soil character for all of Westgate
- ●Frost dates read at Westgate's scale: Apr 16 to Oct 18
YOUR Parcel
- ✓Your exact zone, not Westgate's 5a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Westgate
Pull a site-specific report for your exact address in Westgate, Iowa — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Westgate averages can't show:
We read public map data around Westgate — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Westgate average
How we know this about Westgate
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 Westgate’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 Westgate
When does frost risk typically end in Westgate?
The last hard freeze (28°F) in Westgate typically lands around Apr 16, 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 7.
When is the first frost in Westgate?
The first hard freeze (28°F) in Westgate typically arrives around Oct 18, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 4, so the watching starts about Sep 18 — about 185 days after the spring freeze cleared.
How long is the growing season in Westgate?
Measured between 28°F hard freezes, Westgate sees about 185 frost-free days — roughly Apr 16 through Oct 18, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 7 to Oct 4, about 150 days.
Is the soil safe to grow vegetables in Westgate?
The federal record around Westgate shows 175 documented sites, mostly Underground Storage Tanks entries (92), the nearest Nitrate record under a tenth of a mile out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Westgate?
From about Sep 18 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Oct 18 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Oct 18. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Westgate's scale — its 5a band and its 185-day season. Your yard writes its own version of Westgate'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 Westgate’s own scale
6 of the readings below were taken at Westgate's own scale — its own ~185-day season between 28°F freezes, the 233 acres it covers and 175 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Westgate's own USDA hardiness band, zones 5aUSDA PHZM 2023
- Westgate's own 28°F hard-freeze dates, about Apr 16 and Oct 18 and the ~185-day span between themNOAA 1991–2020 Climate Normals
- 175 documented contamination sites on the federal record near Westgate, the closest Nitrate record under a tenth of a mile out from the town centreFederal environmental registers
- Westgate's boundary and the 233 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 5a and a ~185-day seasonGrowable Ground crop-matching engine
- The ecoregion at Westgate's own centroid, the Western Corn Belt PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Westgate's 233 acres read through its county's SSURGO summaryfrom Fayette County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Fayette County
- The growing challenges every Iowa grower plans around — written at state scale, so they stay on the state guidefrom Iowa
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Fayette County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Westgate's 233 acreswhy one lot differs from the next →
- Which side of Westgate you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 233 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record under a tenth of a mile 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 Westgate-wide figureread your own land →
More in Iowa
Wider growing context
What grows across IowaWestgate sits outside our named growing regions, so Iowa as a whole is its closest context here.