Wamego, Kansas, sits in USDA hardiness zone 6b — a zone band wide enough that plant choice, not possibility, is the interesting question.
Expect cabbage, hazelnut, lavender, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Wamego, 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 Wamego 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 Wamego — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Wamego — the short answer
Wamego, Kansas: USDA zone 6b, about 211 days between hard freezes, across 2K acres of city.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 3
- 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
- ~211
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 2K 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 Wamego's average, not your lot's — a low corner or a tree line moves it. Against Wamego's 211-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Wamego
Each reading below is measured for Wamego itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredWamego runs about 211 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
MeasuredWamego 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 Wamego is in
Wamego sits in the Flint Hills — EPA Level III, inside the wider Great Plains. That is read at Wamego's own centroid rather than borrowed from Pottawatomie County.
What Grows in Wamego
Every plant below cleared Wamego's own zone 6b and its 211-day season. Each card opens that plant's Kansas profile. How we score.
Is it too late to plant in Wamego?
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 6; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 3 (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. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
What's on the federal record near Wamego
Closest first, within ~10 miles of Wamego. Listing isn't leaking, and distance isn't exposure.
- ABANDONED AIR FORCE MISSLE SITUnderground Storage Tanks · 450 ft
- GAS 4 LESS WAMEGOUnderground Storage Tanks · 1500 ft
- USD 320 WAMEGOBrownfields · 1600 ft
- WESTERN AUTOBrownfields · 1600 ft
- USD #320Underground Storage Tanks · 1600 ft
- FIGGE OIL COUnderground Storage Tanks · 1600 ft
- EZ SHOP #19Underground Storage Tanks · 1600 ft
- SHORT STOP #8Underground Storage Tanks · 1800 ft
- APAC KANSAS INCORPORATED SHEARS PLANT 411Toxics Release Inventory · 1900 ft
- MIKES AUTO SVCBrownfields · 2000 ft
- PR&W ELECTRIC COOPERATIVE ASS'Underground Storage Tanks · 2000 ft
- KANSAS DEPT OF TRANSPORTATIONUnderground Storage Tanks · 2000 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Wamego'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 Wamego.
Total Sites
177
within ~10 miles of Wamego
Risk Level
Moderate
Highest-severity
6 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Wamego
Severity Distribution
within ~10 miles of Wamego
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Wamego, two things run higher than the national average within ~10 miles of Wamego — CAFO (5 sites) and Nitrate (122 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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 Wamego
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 Wamego average
Your land is one point inside Wamego
Everything above resolves to Wamego as a whole — one PHZM band and one 28°F frost record, read across 2K 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 Wamego Average
Wamego Average
- ●USDA Zones 6b, averaged across Wamego
- ●One soil character for all of Wamego
- ●Frost dates read at Wamego's scale: Apr 3 to Oct 31
YOUR Parcel
- ✓Your exact zone, not Wamego's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Wamego
Pull a site-specific report for your exact address in Wamego, Kansas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Wamego averages can't show:
We read public map data around Wamego — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Wamego average
How we know this about Wamego
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 Wamego’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 Wamego
When does frost risk typically end in Wamego?
The last hard freeze (28°F) in Wamego typically lands around Apr 3, 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 24.
When is the first frost in Wamego?
The first hard freeze (28°F) in Wamego 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 211 days after the spring freeze cleared.
How long is the growing season in Wamego?
Measured between 28°F hard freezes, Wamego sees about 211 frost-free days — roughly Apr 3 through Oct 31, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 24 to Oct 17, about 176 days.
Is the soil safe to grow vegetables in Wamego?
The federal record around Wamego shows 177 documented sites, mostly Nitrate entries (122), the nearest Underground Storage Tanks 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 Wamego?
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 Wamego's scale — its 6b band and its 211-day season. Your yard writes its own version of Wamego'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 Wamego’s own scale
6 of the readings below were taken at Wamego's own scale — its own ~211-day season between 28°F freezes, the 1,688 acres it covers and 177 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Wamego's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Wamego's own 28°F hard-freeze dates, about Apr 3 and Oct 31 and the ~211-day span between themNOAA 1991–2020 Climate Normals
- 177 documented contamination sites on the federal record near Wamego, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Wamego's boundary and the 1,688 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~211-day seasonGrowable Ground crop-matching engine
- The ecoregion at Wamego's own centroid, the Flint HillsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Wamego's 1,688 acres read through its county's SSURGO summaryfrom Pottawatomie County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Pottawatomie 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 Pottawatomie County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Wamego's 1,688 acreswhy one lot differs from the next →
- Which side of Wamego you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,688 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Wamego-wide figureread your own land →
More in Kansas
Growing region
Nearby growing guides