Sandusky County, in Ohio, sits in USDA hardiness zone 6b — a zone band wide enough that plant choice, not possibility, is the interesting question.
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.
Grounded in USDA PHZM 2023 · Growable Ground suitability scoring · NOAA 1991–2020 Climate Normals
Sandusky County holds more than one microclimate.
Soils and elevations shift across Sandusky County, so your frost dates and drainage aren't the county average. 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 Sandusky County — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Sandusky County — the short answer
Sandusky County, Ohio: USDA zone 6b, about 204 days between hard freezes, across 261K acres.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 13
- NOAA 1991–2020 Climate Normals, 28°F
- First hard freeze (28°F)
- Nov 3
- NOAA 1991–2020 Climate Normals, 28°F
- Days between freezes
- ~204
- NOAA 1991–2020 Climate Normals, 28°F
- County area
- 261K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are county 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 Sandusky County's average, not your lot's — a low corner or a tree line moves it. Against Sandusky County's 204-day season, see what your own ground reads.
Heat in Sandusky County
Across a year, Sandusky County accumulates about 2,922 growing degree days above 50°F, right at the Ohio middle — ahead of 44 of Ohio’s 88 counties. Degree days are the heat a crop actually gets to work with — more of them is more room to ripen a long-season crop before the freeze closes the window.
Grounded in PRISM Climate Group, Oregon State University — 1991–2020 monthly normals
Soil in Sandusky County
Across Sandusky County, the ground is predominantly Alfisols, where Hoytville, Toledo, and Kibbie are the most extensive named soil series. The soil is generally very poorly drained with a silty clay loam surface. Topsoil pH runs about 6.4–6.7, slightly acidic. Rainfall drains through hydrologic group C/D soils.
Soil order
Alfisols
Drainage
Very poorly drained
Prime farmland
13%
Hydric soils
51%
Soil still varies lot by lot — soil types explained.
How the ground varies across Sandusky County
The USDA soil survey maps 42% of Sandusky County as very poorly drained — but another 55% drains differently: 33% somewhat poorly drained, 11% well drained.
Hoytville is the most extensive named soil at 22% of mapped acres, then Toledo (10%) and Kibbie (8%).
Which of them your own lot sits on is a parcel question, not a county one. Check your address for the survey at your boundary.
What this means for growing in Sandusky County
Each reading below is measured for Sandusky County itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Drainage
MeasuredThe dominant soils across Sandusky County are very poorly drained, in hydrologic group C/D — ground that sheds water slowly.
Beds can stay saturated for days after heavy rain, and the roots of most vegetables, berries, and fruit trees suffocate or rot in soil that never drains.
Raised beds or mounded rows lift roots above the wet zone; choose water-tolerant crops for the lowest spots.
USDA NRCS SSURGO
Surface pH
MeasuredTopsoil across Sandusky County runs about pH 6.4–6.7, close to neutral.
This is the range most vegetables prefer — one correction you probably do not have to make, which is genuinely good news for a new bed.
Keep it there with compost rather than lime or sulfur, and only amend if your own soil test says otherwise.
USDA NRCS SSURGO
Season length
MeasuredSandusky County runs about 204 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
MeasuredSandusky County 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 Sandusky County is in
Sandusky County sits in the Huron/Erie Lake Plains — EPA Level III, inside the wider Eastern Temperate Forests. One consistent ecological setting across the whole county.
What Grows in Sandusky County
We scored all 1,086 plants against Sandusky County's own USDA zone 6b and its own 204-day season between hard freezes, using the same matching engine that runs a full parcel report. These cleared both. Sun, soil pH and drainage vary lot by lot — those are the parcel questions below. Each card opens that plant's Ohio profile.
Is it too late to plant in Sandusky County?
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 16; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 13 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 3 — 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.
Documented around Sandusky County
Spotted lanternfly documented 23 miles from Sandusky County, first recorded 2023. What to watch for.
- Japanese beetle1 documented records
- monarch butterfly618 documented records
Sighting records, so they follow observers as much as insects.
What gets applied to farmland in Sandusky County
USGS estimates 125,290 lb of Glyphosate on Sandusky County farmland in 2019, its largest by weight, ahead of Atrazine (44,582 lb) and Acetochlor (44,466 lb).
Farmland across the whole county, not any one lot. Check your address for the site-by-site record.
Safe to Grow Here?
What the federal record shows across Sandusky County — and how to grow with it.
We checked the federal record across Sandusky County — 435 documented sites across 6 of the 9 source types we track.
The most significant on record: 10 Superfund sites (none NPL-listed). Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.
There's a meaningful federal record across Sandusky County — worth a look before you plant food, not a reason to hold back from growing. Proximity to a documented site is information, not a diagnosis of any one yard. A soil test before new food beds is the sensible precaution here, and the map shows exactly which sites sit where, so you can see what's actually near you.
Sources: EPA, USGS — 1.8M documented sites tracked nationwide across 9 federal source types.
What's on the federal record near Sandusky County
Closest first, across Sandusky County. Listing isn't leaking, and distance isn't exposure.
- A. NICKLES BAKERY, INC.Underground Storage Tanks · 800 ft
- STEINLE OLDS PONTIAC CADILLAC INCBrownfields · 1300 ft
- CHEMI-TROL CHEMICAL COToxics Release Inventory · 1300 ft
- FOSTER AUTO BODYBrownfields · 1400 ft
- SUNRISE COOPERATIVE INC.Underground Storage Tanks · 1400 ft
- TOD MOTOR SALES INCBrownfields · 1600 ft
- BP OIL SITE 06572Brownfields · 1800 ft
- 073 Fremont SunocoUnderground Storage Tanks · 1800 ft
- WALGREENS #12159Brownfields · 1900 ft
- NORTH END MARATHONUnderground Storage Tanks · 1900 ft
- MICKEY MART #42Underground Storage Tanks · 2000 ft
- DOLLAR GENERAL STORE #1612Brownfields · 2000 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Sandusky County'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 Sandusky County.
Total Sites
435
across Sandusky County
Risk Level
Elevated
Highest-severity
10 Superfund sites (none NPL-listed)
Sources Checked
across Sandusky County
Severity Distribution
across Sandusky County
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Sandusky County, two things run higher than the national average across Sandusky County — Superfund (10 sites) and Toxics Release Inventory (28 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Sandusky County
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 Sandusky County average
Your land is one point inside Sandusky County
Everything above resolves to Sandusky County as a whole — one PHZM band and one county frost record, read across 261K 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 county 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 county average.
Your Lot vs the Sandusky County Average
Sandusky County Average
- ●USDA Zones 6b, averaged across Sandusky County
- ●One soil character for all of Sandusky County
- ●Frost dates read at Sandusky County's scale: Apr 13 to Nov 3
YOUR Parcel
- ✓Your exact zone, not Sandusky County's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your parcel in Sandusky County
Pull a site-specific report for your exact address in Sandusky County, Ohio — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Sandusky County averages can't show:
We read public map data around Sandusky County — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Sandusky County average
How we know this about Sandusky County
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at county grain; hard-freeze dates from NOAA 1991–2020 28°F normals at this county’s own record where one resolves, and the labelled statewide window where none does; soils from the USDA NRCS SSURGO survey, area-weighted across the county’s own map units; boundaries and acreage from US Census TIGER/Line 2025; the contamination and pesticide records from the federal sources named in their beats above. Where Sandusky County carries no record of its own, the figure is inherited and labelled — the resolution ledger below names each.
Common questions about Sandusky County
When does frost risk typically end in Sandusky County?
The last hard freeze (28°F) in Sandusky County typically lands around Apr 13, 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 4.
How long is the growing season in Sandusky County?
Measured between 28°F hard freezes, Sandusky County sees about 204 frost-free days — roughly Apr 13 through Nov 3, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 4 to Oct 20, about 169 days.
Is the soil safe to grow vegetables in Sandusky County?
The federal record around Sandusky County is a meaningful one — 435 documented sites, mostly Brownfields entries (152), the nearest Underground Storage Tanks record about 0.2 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.
Everything above is measured at Sandusky County's scale — its 6b band and its 204-day season. Your yard writes its own version of Sandusky County's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
Will It Grow Here?
Zone fit is the first question — each answer below reads Ohio's frost window, season length, and soil profile against the plant's real requirements.
What this page reads at Sandusky County’s own scale
9 of the readings below were taken at Sandusky County's own scale — its own ~204-day span between 28°F freezes, the 3 most extensive soil series mapped here and 435 documented sites inside its boundary; one is borrowed from a wider read, named and linked below.
Measured here
- Sandusky County's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Sandusky County's own 28°F hard-freeze dates and its ~204-day span between themNOAA 1991–2020 Climate Normals
- The soil order, drainage, surface pH, and the 3 most extensive named soil series mapped in Sandusky CountyUSDA NRCS SSURGO
- 435 documented contamination sites inside the county boundary, distance-sorted from its center — the closest Underground Storage Tanks record about 0.2 miles outFederal environmental registers
- Sandusky County's boundary and the 261,277 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~204-day seasonGrowable Ground crop-matching engine
- Sandusky County sitting wholly inside the Huron/Erie Lake PlainsUS EPA Level III Ecoregions
- Open occurrence records documented in Sandusky County for 2 tracked speciesGBIF derived datasets (CC0 / CC BY 4.0)
- Which agricultural compounds go onto Sandusky County farmland, and roughly how muchUSGS NAWQA EPest county estimates
Inherited from a wider read
- The growing challenges every Ohio grower plans around — written at state scale, so they stay on the state guidefrom Ohio
What this page can’t tell you
- How the season shifts across Sandusky County — the ~204 days above is one reading at its centre; the 12 towns below each carry their owntowns in this county →
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Sandusky County's 261,277 acreswhy one lot differs from the next →
- Which of those 435 documented sites actually reaches your soil — that needs your address, the wind, and the groundwater directionhow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — none of it survives being averaged over Sandusky Countyread your own land →