Courtland, Kansas, sits in USDA hardiness zone 6a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Crops well matched to these conditions include cabbage, hazelnut, lavender, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Courtland, 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 Courtland 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 Courtland — soil, climate, flood, and parcel records. How we handle your address.
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Courtland — the short answer
Courtland, Kansas: USDA zone 6a, about 202 days between hard freezes, across 172 acres of city.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 7
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 26
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~202
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 172 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 6a is Courtland's average, not your lot's — a low corner or a tree line moves it. Against Courtland's 202-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Courtland
Each reading below is measured for Courtland itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredCourtland runs about 202 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
MeasuredCourtland sits in USDA hardiness zone 6a.
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 Courtland is in
Courtland sits in the Central Great Plains — EPA Level III, inside the wider Great Plains. That is read at Courtland's own centroid rather than borrowed from Republic County.
What Grows in Courtland
Every plant below cleared Courtland's own zone 6a and its 202-day season. Each card opens that plant's Kansas profile. How we score.
Is it too late to plant in Courtland?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Mar 10; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 7 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 26 — 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 Courtland
Closest first, within ~10 miles of Courtland. Listing isn't leaking, and distance isn't exposure.
- CITY OF COURTLAND TO STORE TRUUnderground Storage Tanks · 300 ft
- JENSEN TIRE & SERVICEUnderground Storage Tanks · 600 ft
- C & W FARM SUPPLYBrownfields · 600 ft
- KANSAS-BOSTWICK IRR. DISTRICTUnderground Storage Tanks · 950 ft
- NORMAN'S STANDARD SERVICEUnderground Storage Tanks · 1400 ft
- 03S 05W 32BB 01Nitrate · 2.2 mi
- 03S 05W 25BBA 01Nitrate · 3.4 mi
- 03S 05W 13DDA 01Nitrate · 4.0 mi
- NESIKA ENERGY LLCBrownfields · 4.1 mi
- NESIKA ENERGY LLCToxics Release Inventory · 4.1 mi
- 03S 06W 27ACC 01Nitrate · 4.5 mi
- 04S 05W 07CB 01Nitrate · 4.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Courtland'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 Courtland.
Total Sites
63
within ~10 miles of Courtland
Risk Level
Moderate
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Courtland
Severity Distribution
within ~10 miles of Courtland
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Courtland, Nitrate runs higher than the national average — 50 sites within ~10 miles of Courtland. 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).
Check your specific parcel in Courtland
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 Courtland average
Your land is one point inside Courtland
Everything above resolves to Courtland as a whole — one PHZM band and one 28°F frost record, read across 172 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 Courtland Average
Courtland Average
- ●USDA Zones 6a, averaged across Courtland
- ●One soil character for all of Courtland
- ●Frost dates read at Courtland's scale: Apr 7 to Oct 26
YOUR Parcel
- ✓Your exact zone, not Courtland's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Courtland
Pull a site-specific report for your exact address in Courtland, Kansas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Courtland averages can't show:
We read public map data around Courtland — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Courtland average
How we know this about Courtland
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 Courtland’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 Courtland
When does frost risk typically end in Courtland?
The last hard freeze (28°F) in Courtland typically lands around Apr 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 Apr 28.
When is the first frost in Courtland?
The first hard freeze (28°F) in Courtland typically arrives around Oct 26, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 12, so the watching starts about Sep 26 — about 202 days after the spring freeze cleared.
How long is the growing season in Courtland?
Measured between 28°F hard freezes, Courtland sees about 202 frost-free days — roughly Apr 7 through Oct 26, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 28 to Oct 12, about 167 days.
Is the soil safe to grow vegetables in Courtland?
The federal record around Courtland shows 63 documented sites, mostly Nitrate entries (50), 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 Courtland?
From about Sep 26 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 26 (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 26. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Courtland's scale — its 6a band and its 202-day season. Your yard writes its own version of Courtland'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 Courtland’s own scale
6 of the readings below were taken at Courtland's own scale — its own ~202-day season between 28°F freezes, the 172 acres it covers and 63 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Courtland's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Courtland's own 28°F hard-freeze dates, about Apr 7 and Oct 26 and the ~202-day span between themNOAA 1991–2020 Climate Normals
- 63 documented contamination sites on the federal record near Courtland, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Courtland's boundary and the 172 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~202-day seasonGrowable Ground crop-matching engine
- The ecoregion at Courtland's own centroid, the Central Great PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Courtland's 172 acres read through its county's SSURGO summaryfrom Republic County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Republic 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 Republic County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Courtland's 172 acreswhy one lot differs from the next →
- Which side of Courtland you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 172 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 Courtland-wide figureread your own land →
More in Kansas
Wider growing context
What grows across KansasCourtland sits outside our named growing regions, so Kansas as a whole is its closest context here.