Marquette, Kansas, sits in USDA hardiness zone 6b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Reliable performers under these conditions include cabbage, hazelnut, lavender, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Marquette, 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 Marquette 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 Marquette — soil, climate, flood, and parcel records. How we handle your address.
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Marquette — the short answer
Marquette, Kansas: USDA zone 6b, about 210 days between hard freezes, across 308 acres of city.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 4
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 31
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~210
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 308 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 6b is Marquette's average, not your lot's — a low corner or a tree line moves it. Against Marquette's 210-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Marquette
Each reading below is measured for Marquette itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredMarquette runs about 210 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredMarquette sits in USDA hardiness zone 6b.
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 Marquette is in
Marquette sits in the Central Great Plains — EPA Level III, inside the wider Great Plains. That is read at Marquette's own centroid rather than borrowed from McPherson County.
What Grows in Marquette
Every plant below cleared Marquette's own zone 6b and its 210-day season. Each card opens that plant's Kansas profile. How we score.
Is it too late to plant in Marquette?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 7; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 4 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 31 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
What's on the federal record near Marquette
Closest first, within ~10 miles of Marquette. Listing isn't leaking, and distance isn't exposure.
- 17S 05W 23DDA 01Nitrate · 600 ft
- BUILDEX INCUnderground Storage Tanks · 800 ft
- 17S 05W 23DAB 01Nitrate · 900 ft
- MID KANSAS COOP-MARQUETTEUnderground Storage Tanks · 1100 ft
- 17S 05W 23DCD 01Nitrate · 1600 ft
- 17S 05W 16AAA 01Nitrate · 2.6 mi
- 17S 04W 20AAC 01Nitrate · 3.0 mi
- 17S 04W 29AA 01Nitrate · 3.0 mi
- 17S 04W 32CCC 01Nitrate · 3.1 mi
- 17S 04W 29DA 01Nitrate · 3.1 mi
- 17S 04W 28 01Nitrate · 3.7 mi
- CORPS OF ENG, US ARMYBrownfields · 3.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Marquette'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 Marquette.
Total Sites
87
within ~10 miles of Marquette
Risk Level
Moderate
Highest-severity
3 concentrated animal feeding operations
Sources Checked
within ~10 miles of Marquette
Severity Distribution
within ~10 miles of Marquette
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Marquette, two things run higher than the national average within ~10 miles of Marquette — CAFO (3 sites) and Nitrate (56 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Marquette
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 Marquette average
Your land is one point inside Marquette
Everything above resolves to Marquette as a whole — one PHZM band and one 28°F frost record, read across 308 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 Marquette Average
Marquette Average
- ●USDA Zones 6b, averaged across Marquette
- ●One soil character for all of Marquette
- ●Frost dates read at Marquette's scale: Apr 4 to Oct 31
YOUR Parcel
- ✓Your exact zone, not Marquette's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Marquette
Pull a site-specific report for your exact address in Marquette, Kansas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Marquette averages can't show:
We read public map data around Marquette — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Marquette average
How we know this about Marquette
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 Marquette’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 Marquette
When does frost risk typically end in Marquette?
The last hard freeze (28°F) in Marquette typically lands around Apr 4, 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 Apr 25.
When is the first frost in Marquette?
The first hard freeze (28°F) in Marquette typically arrives around Oct 31, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 17, so the watching starts about Oct 1 — about 210 days after the spring freeze cleared.
How long is the growing season in Marquette?
Measured between 28°F hard freezes, Marquette sees about 210 frost-free days — roughly Apr 4 through Oct 31, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 25 to Oct 17, about 175 days.
Is the soil safe to grow vegetables in Marquette?
The federal record around Marquette shows 87 documented sites, mostly Nitrate entries (56), the nearest Nitrate record about 0.1 miles 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 Marquette?
From about Oct 1 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 31 (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 31. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Marquette's scale — its 6b band and its 210-day season. Your yard writes its own version of Marquette'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 Marquette’s own scale
6 of the readings below were taken at Marquette's own scale — its own ~210-day season between 28°F freezes, the 308 acres it covers and 87 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Marquette's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Marquette's own 28°F hard-freeze dates, about Apr 4 and Oct 31 and the ~210-day span between themNOAA 1991–2020 Climate Normals
- 87 documented contamination sites on the federal record near Marquette, the closest Nitrate record about 0.1 miles out from the town centreFederal environmental registers
- Marquette's boundary and the 308 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~210-day seasonGrowable Ground crop-matching engine
- The ecoregion at Marquette's own centroid, the Central Great PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Marquette's 308 acres read through its county's SSURGO summaryfrom McPherson County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom McPherson County
- The growing challenges every Kansas grower plans around — written at state scale, so they stay on the state guidefrom Kansas
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom McPherson County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Marquette's 308 acreswhy one lot differs from the next →
- Which side of Marquette you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 308 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.1 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 Marquette-wide figureread your own land →
More in Kansas
Wider growing context
What grows across KansasMarquette sits outside our named growing regions, so Kansas as a whole is its closest context here.
Nearby growing guides