Bath Corner, South Dakota, sits in USDA hardiness zone 4a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
A short list that earns its place here — cabbage, cranberry, turkish rocket, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Bath Corner, 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 Bath Corner 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 Bath Corner — soil, climate, flood, and parcel records. How we handle your address.
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Bath Corner — the short answer
Bath Corner, South Dakota: USDA zone 4a, about 163 days between hard freezes, across 112 acres of town.
- USDA zone
- 4a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 28
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 8
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~163
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 112 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 4a is Bath Corner's average, not your lot's — a low corner or a tree line moves it. Against Bath Corner's 163-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Bath Corner
Each reading below is measured for Bath Corner itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredBath Corner runs about 163 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
MeasuredBath Corner sits in USDA hardiness zone 4a.
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 Bath Corner is in
Bath Corner sits in the Northern Glaciated Plains — EPA Level III, inside the wider Great Plains. That is read at Bath Corner's own centroid rather than borrowed from Brown County.
What Grows in Bath Corner
Every plant below cleared Bath Corner's own zone 4a and its 163-day season. Each card opens that plant's South Dakota profile. How we score.
Is it too late to plant in Bath Corner?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 31; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 28 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 8 — 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 Bath Corner
Closest first, within ~10 miles of Bath Corner. Listing isn't leaking, and distance isn't exposure.
- QUICK STOPUnderground Storage Tanks · 1300 ft
- 123N62W21ABBANitrate · 1.8 mi
- 123N63W22DAAANitrate · 2.9 mi
- SD GAME, FISH & PARKSUnderground Storage Tanks · 3.0 mi
- 123N63W27A (5)Nitrate · 3.4 mi
- MATTERN DIESEL SERVICE INCBrownfields · 3.5 mi
- TRANSOURCE TRUCK AND EQUIPMENT (FORMER SHEEHAN MACK SALES & EQUIPMENT)Brownfields · 3.5 mi
- BROWN COUNTY IMPLEMENT COUnderground Storage Tanks · 3.5 mi
- H.C. CLARK IMPKO INCUnderground Storage Tanks · 3.5 mi
- LAMPERT BLDG CENTERUnderground Storage Tanks · 3.5 mi
- WATER TREATMENT PLANTUnderground Storage Tanks · 3.9 mi
- MOLDED FIBER GLASS COMPANIESToxics Release Inventory · 4.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Bath Corner'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 Bath Corner.
Total Sites
270
within ~10 miles of Bath Corner
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Bath Corner
Severity Distribution
within ~10 miles of Bath Corner
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Bath Corner, Nitrate runs higher than the national average — 80 sites within ~10 miles of Bath Corner. That's not a problem with your land — it's information about 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 Bath Corner
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 Bath Corner average
Your land is one point inside Bath Corner
Everything above resolves to Bath Corner as a whole — one PHZM band and one 28°F frost record, read across 112 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 town 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 Bath Corner Average
Bath Corner Average
- ●USDA Zones 4a, averaged across Bath Corner
- ●One soil character for all of Bath Corner
- ●Frost dates read at Bath Corner's scale: Apr 28 to Oct 8
YOUR Parcel
- ✓Your exact zone, not Bath Corner's 4a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Bath Corner
Pull a site-specific report for your exact address in Bath Corner, South Dakota — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Bath Corner averages can't show:
We read public map data around Bath Corner — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Bath Corner average
How we know this about Bath Corner
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Bath Corner’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 town grain anywhere on this page — there is no town-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 Bath Corner
When does frost risk typically end in Bath Corner?
The last hard freeze (28°F) in Bath Corner typically lands around Apr 28, 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 19.
When is the first frost in Bath Corner?
The first hard freeze (28°F) in Bath Corner typically arrives around Oct 8, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 24, so the watching starts about Sep 8 — about 163 days after the spring freeze cleared.
How long is the growing season in Bath Corner?
Measured between 28°F hard freezes, Bath Corner sees about 163 frost-free days — roughly Apr 28 through Oct 8, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 19 to Sep 24, about 128 days.
Is the soil safe to grow vegetables in Bath Corner?
The federal record around Bath Corner is a meaningful one — 270 documented sites, mostly Underground Storage Tanks entries (100), the nearest Underground Storage Tanks record about 0.3 miles out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Bath Corner?
From about Sep 8 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 8 (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 8. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Bath Corner's scale — its 4a band and its 163-day season. Your yard writes its own version of Bath Corner'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 Bath Corner’s own scale
6 of the readings below were taken at Bath Corner's own scale — its own ~163-day season between 28°F freezes, the 112 acres it covers and 270 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Bath Corner's own USDA hardiness band, zones 4aUSDA PHZM 2023
- Bath Corner's own 28°F hard-freeze dates, about Apr 28 and Oct 8 and the ~163-day span between themNOAA 1991–2020 Climate Normals
- 270 documented contamination sites on the federal record near Bath Corner, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Bath Corner's boundary and the 112 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 4a and a ~163-day seasonGrowable Ground crop-matching engine
- The ecoregion at Bath Corner's own centroid, the Northern Glaciated PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Bath Corner's 112 acres read through its county's SSURGO summaryfrom Brown County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Brown County
- The growing challenges every South Dakota grower plans around — written at state scale, so they stay on the state guidefrom South Dakota
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Brown County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Bath Corner's 112 acreswhy one lot differs from the next →
- Which side of Bath Corner you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 112 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Bath Corner-wide figureread your own land →
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