Gann (Brinkhaven), Ohio, sits in USDA hardiness zone 6a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
These conditions suit cabbage, hazelnut, lavender, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Gann (Brinkhaven), 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 Gann (Brinkhaven) 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 Gann (Brinkhaven) — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Gann (Brinkhaven) — the short answer
Gann (Brinkhaven), Ohio: USDA zone 6a, about 184 days between hard freezes, across 118 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 19
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 20
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~184
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 118 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 Gann (Brinkhaven)'s average, not your lot's — a low corner or a tree line moves it. Against Gann (Brinkhaven)'s 184-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Gann (Brinkhaven)
Each reading below is measured for Gann (Brinkhaven) itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredGann (Brinkhaven) runs about 184 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
MeasuredGann (Brinkhaven) 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 Gann (Brinkhaven) is in
Gann (Brinkhaven) sits in the Western Allegheny Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Gann (Brinkhaven)'s own centroid, and it is not what its county reads: Knox County is mostly Erie Drift Plain. The wider page above you is answering a different question about different ground.
What Grows in Gann (Brinkhaven)
Every plant below cleared Gann (Brinkhaven)'s own zone 6a and its 184-day season. Each card opens that plant's Ohio profile. How we score.






























Is it too late to plant in Gann (Brinkhaven)?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 22; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 19 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 20 — long-season crops need about 90 days of runway, quick greens only 30. Late in the year the fall bench takes over — quick greens, radishes, and garlic that repays you next summer.
Documented around Gann (Brinkhaven)
Survey cells within 31 miles of Gann (Brinkhaven) checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 36 miles off. What to watch for.
What's on the federal record near Gann (Brinkhaven)
Closest first, within ~10 miles of Gann (Brinkhaven). Listing isn't leaking, and distance isn't exposure.
- AT&TUnderground Storage Tanks · 2.6 mi
- ASHLAND S CENTRAL OFFICEUnderground Storage Tanks · 3.5 mi
- DWIGHT N. HULLUnderground Storage Tanks · 3.6 mi
- 103 PREFORMANCEUnderground Storage Tanks · 3.8 mi
- ODOT DISTRICT 3 OFFICEUnderground Storage Tanks · 3.9 mi
- TRUEX MARATHONUnderground Storage Tanks · 3.9 mi
- LYONS DENUnderground Storage Tanks · 3.9 mi
- CENTERRA CO-OPUnderground Storage Tanks · 4.0 mi
- CUDDY FARMS, INC.Underground Storage Tanks · 4.0 mi
- VILLAGE OF DANVILLEUnderground Storage Tanks · 4.0 mi
- DANVILLE LOCAL SCHOOLSBrownfields · 4.1 mi
- DANVILLE MINI MARTUnderground Storage Tanks · 4.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Gann (Brinkhaven)'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 Gann (Brinkhaven).
Total Sites
50
within ~10 miles of Gann (Brinkhaven)
Risk Level
Moderate
Highest-severity
7 brownfield sites
Sources Checked
within ~10 miles of Gann (Brinkhaven)
Severity Distribution
within ~10 miles of Gann (Brinkhaven)
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Gann (Brinkhaven), Underground Storage Tanks runs higher than the national average — 38 sites within ~10 miles of Gann (Brinkhaven). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Gann (Brinkhaven)
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 Gann (Brinkhaven) average
Your land is one point inside Gann (Brinkhaven)
Everything above resolves to Gann (Brinkhaven) as a whole — one PHZM band and one 28°F frost record, read across 118 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 Gann (Brinkhaven) Average
Gann (Brinkhaven) Average
- ●USDA Zones 6a, averaged across Gann (Brinkhaven)
- ●One soil character for all of Gann (Brinkhaven)
- ●Frost dates read at Gann (Brinkhaven)'s scale: Apr 19 to Oct 20
YOUR Parcel
- ✓Your exact zone, not Gann (Brinkhaven)'s 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Gann (Brinkhaven)
Pull a site-specific report for your exact address in Gann (Brinkhaven), Ohio — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Gann (Brinkhaven) averages can't show:
We read public map data around Gann (Brinkhaven) — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Gann (Brinkhaven) average
How we know this about Gann (Brinkhaven)
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 Gann (Brinkhaven)’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 Gann (Brinkhaven)
When does frost risk typically end in Gann (Brinkhaven)?
The last hard freeze (28°F) in Gann (Brinkhaven) typically lands around Apr 19, 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 10.
When is the first frost in Gann (Brinkhaven)?
The first hard freeze (28°F) in Gann (Brinkhaven) typically arrives around Oct 20, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 6, so the watching starts about Sep 20 — about 184 days after the spring freeze cleared.
How long is the growing season in Gann (Brinkhaven)?
Measured between 28°F hard freezes, Gann (Brinkhaven) sees about 184 frost-free days — roughly Apr 19 through Oct 20, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 10 to Oct 6, about 149 days.
Is the soil safe to grow vegetables in Gann (Brinkhaven)?
The federal record around Gann (Brinkhaven) shows 50 documented sites, mostly Underground Storage Tanks entries (38), the nearest Underground Storage Tanks record about 2.6 miles 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 Gann (Brinkhaven)?
From about Sep 20 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 20 (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 20. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Gann (Brinkhaven)'s scale — its 6a band and its 184-day season. Your yard writes its own version of Gann (Brinkhaven)'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 Gann (Brinkhaven)’s own scale
7 of the readings below were taken at Gann (Brinkhaven)'s own scale — its own ~184-day season between 28°F freezes, the 118 acres it covers and 50 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Gann (Brinkhaven)'s own USDA hardiness band, zones 6aUSDA PHZM 2023
- Gann (Brinkhaven)'s own 28°F hard-freeze dates, about Apr 19 and Oct 20 and the ~184-day span between themNOAA 1991–2020 Climate Normals
- 50 documented contamination sites on the federal record near Gann (Brinkhaven), the closest Underground Storage Tanks record about 2.6 miles out from the town centreFederal environmental registers
- Gann (Brinkhaven)'s boundary and the 118 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~184-day seasonGrowable Ground crop-matching engine
- Gann (Brinkhaven) sits in the Western Allegheny Plateau — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- Lanternfly survey cells around Gann (Brinkhaven) checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Gann (Brinkhaven)'s 118 acres read through its county's SSURGO summaryfrom Knox County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Knox County
- The growing challenges every Ohio grower plans around — written at state scale, so they stay on the state guidefrom Ohio
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Knox County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Gann (Brinkhaven)'s 118 acreswhy one lot differs from the next →
- Which side of Gann (Brinkhaven) you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 118 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 2.6 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 Gann (Brinkhaven)-wide figureread your own land →
More in Ohio
Nearby growing guides
