Eastborough, Kansas, sits in USDA hardiness zone 7a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
The conditions favor cabbage, hazelnut, california poppy, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Eastborough, 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 Eastborough 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 Eastborough — soil, climate, flood, and parcel records. How we handle your address.
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Eastborough — the short answer
Eastborough, Kansas: USDA zone 7a, about 229 days between hard freezes, across 246 acres of city.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 27
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 11
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~229
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 246 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 7a is Eastborough's average, not your lot's — a low corner or a tree line moves it. Against Eastborough's 229-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Eastborough
Each reading below is measured for Eastborough itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredEastborough runs about 229 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
MeasuredEastborough sits in USDA hardiness zone 7a.
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 Eastborough is in
Eastborough sits in the Central Great Plains — EPA Level III, inside the wider Great Plains. That is read at Eastborough's own centroid rather than borrowed from Sedgwick County.
What Grows in Eastborough
Every plant below cleared Eastborough's own zone 7a and its 229-day season. Each card opens that plant's Kansas profile. How we score.
Is it too late to plant in Eastborough?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Feb 27; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 27 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 11 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
What's on the federal record near Eastborough
Closest first, within ~10 miles of Eastborough. Listing isn't leaking, and distance isn't exposure.
- D & R MOTORSBrownfields · 1300 ft
- D00LITTLEUnderground Storage Tanks · 1900 ft
- TARGET STORE #92Underground Storage Tanks · 2200 ft
- RUSTY ECK FORD QUICK LANE ADDITIONBrownfields · 2200 ft
- SCHOLFIELD HONDABrownfields · 2300 ft
- AMOCO OIL SS #8585Underground Storage Tanks · 2400 ft
- SCHOLFIELD HONDAUnderground Storage Tanks · 2400 ft
- RUSTY ECK BODY SHOPUnderground Storage Tanks · 2600 ft
- RUSTY ECK FORD DBA GOT GASUnderground Storage Tanks · 2600 ft
- STEVEN CHRYSLER-PLYMOUTHUnderground Storage Tanks · 2600 ft
- STEVEN MOTORS INCBrownfields · 2600 ft
- RUSTY ECK FORD, INC.Underground Storage Tanks · 0.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Eastborough'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 Eastborough.
Sources Checked
within ~10 miles of Eastborough
Severity Distribution
within ~10 miles of Eastborough
Highest-Severity Sites
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •Near a brownfield, raised beds of imported soil give your food clean ground.
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
Check your specific parcel in Eastborough
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 Eastborough average
Your land is one point inside Eastborough
Everything above resolves to Eastborough as a whole — one PHZM band and one 28°F frost record, read across 246 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 Eastborough Average
Eastborough Average
- ●USDA Zones 7a, averaged across Eastborough
- ●One soil character for all of Eastborough
- ●Frost dates read at Eastborough's scale: Mar 27 to Nov 11
YOUR Parcel
- ✓Your exact zone, not Eastborough's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Eastborough
Pull a site-specific report for your exact address in Eastborough, Kansas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Eastborough averages can't show:
We read public map data around Eastborough — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Eastborough average
How we know this about Eastborough
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 Eastborough’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 Eastborough
When does frost risk typically end in Eastborough?
The last hard freeze (28°F) in Eastborough typically lands around Mar 27, 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 17.
When is the first frost in Eastborough?
The first hard freeze (28°F) in Eastborough typically arrives around Nov 11, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 28, so the watching starts about Oct 12 — about 229 days after the spring freeze cleared.
How long is the growing season in Eastborough?
Measured between 28°F hard freezes, Eastborough sees about 229 frost-free days — roughly Mar 27 through Nov 11, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 17 to Oct 28, about 194 days.
Is the soil safe to grow vegetables in Eastborough?
The federal record around Eastborough runs heavier than most — 2,458 documented sites, mostly Underground Storage Tanks entries (1,057), the nearest Brownfields record about 0.3 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Eastborough?
From about Oct 12 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 Nov 11 (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 Nov 11. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Eastborough's scale — its 7a band and its 229-day season. Your yard writes its own version of Eastborough'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 Eastborough’s own scale
6 of the readings below were taken at Eastborough's own scale — its own ~229-day season between 28°F freezes, the 246 acres it covers and 2,458 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Eastborough's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Eastborough's own 28°F hard-freeze dates, about Mar 27 and Nov 11 and the ~229-day span between themNOAA 1991–2020 Climate Normals
- 2,458 documented contamination sites on the federal record near Eastborough, the closest Brownfields record about 0.3 miles out from the town centreFederal environmental registers
- Eastborough's boundary and the 246 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~229-day seasonGrowable Ground crop-matching engine
- The ecoregion at Eastborough's own centroid, the Central Great PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Eastborough's 246 acres read through its county's SSURGO summaryfrom Sedgwick County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Sedgwick 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 Sedgwick County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Eastborough's 246 acreswhy one lot differs from the next →
- Which side of Eastborough you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 246 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.3 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 Eastborough-wide figureread your own land →