Highpoint, Ohio, sits in USDA hardiness zone 6b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Expect cabbage, hazelnut, lavender, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Highpoint, 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 Highpoint 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 Highpoint — soil, climate, flood, and parcel records. How we handle your address.
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Highpoint — the short answer
Highpoint, Ohio: USDA zone 6b, about 225 days between hard freezes, across 220 acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~225
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 220 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 6b is Highpoint's average, not your lot's — a low corner or a tree line moves it. Against Highpoint's 225-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Highpoint
Each reading below is measured for Highpoint itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredHighpoint runs about 225 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
MeasuredHighpoint 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 Highpoint is in
Highpoint sits in the Eastern Corn Belt Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Highpoint's own centroid rather than borrowed from Hamilton County.
What Grows in Highpoint
Every plant below cleared Highpoint's own zone 6b and its 225-day season. Each card opens that plant's Ohio profile. How we score.
Is it too late to plant in Highpoint?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 5; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 2 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 13 — 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 Highpoint
Spotted lanternfly documented 15 miles from Highpoint, first recorded 2023. What to watch for.
What's on the federal record near Highpoint
Closest first, within ~10 miles of Highpoint. Listing isn't leaking, and distance isn't exposure.
- SERVICE WHOLESALERSUnderground Storage Tanks · 1500 ft
- MECHANICAL/INDUSTRIALUnderground Storage Tanks · 1600 ft
- CORRCHOICE LLCBrownfields · 2300 ft
- MBS DEVELOPMENTUnderground Storage Tanks · 2300 ft
- NIVILLCUnderground Storage Tanks · 2400 ft
- BreconUnderground Storage Tanks · 2500 ft
- DUKE ENERGY OHIO LLCBrownfields · 2600 ft
- FIELDS ERTEL SUNOCOUnderground Storage Tanks · 0.6 mi
- CONCRETE CORING CO.Underground Storage Tanks · 0.6 mi
- DUKE ENERGYBrownfields · 0.7 mi
- QUALITY BLACKTOPPINGUnderground Storage Tanks · 0.8 mi
- NILPETER, INC.Toxics Release Inventory · 0.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Highpoint'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 Highpoint.
Sources Checked
within ~10 miles of Highpoint
Severity Distribution
within ~10 miles of Highpoint
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Highpoint, Toxics Release Inventory runs higher than the national average — 268 sites within ~10 miles of Highpoint. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Highpoint
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 Highpoint average
Your land is one point inside Highpoint
Everything above resolves to Highpoint as a whole — one PHZM band and one 28°F frost record, read across 220 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 Highpoint Average
Highpoint Average
- ●USDA Zones 6b, averaged across Highpoint
- ●One soil character for all of Highpoint
- ●Frost dates read at Highpoint's scale: Apr 2 to Nov 13
YOUR Parcel
- ✓Your exact zone, not Highpoint's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Highpoint
Pull a site-specific report for your exact address in Highpoint, Ohio — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Highpoint averages can't show:
We read public map data around Highpoint — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Highpoint average
How we know this about Highpoint
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 Highpoint’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 Highpoint
When does frost risk typically end in Highpoint?
The last hard freeze (28°F) in Highpoint typically lands around Apr 2, 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 23.
When is the first frost in Highpoint?
The first hard freeze (28°F) in Highpoint typically arrives around Nov 13, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 30, so the watching starts about Oct 14 — about 225 days after the spring freeze cleared.
How long is the growing season in Highpoint?
Measured between 28°F hard freezes, Highpoint sees about 225 frost-free days — roughly Apr 2 through Nov 13, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 23 to Oct 30, about 190 days.
Is the soil safe to grow vegetables in Highpoint?
The federal record around Highpoint runs heavier than most — 2,000 documented sites, mostly Underground Storage Tanks entries (923), the nearest Underground Storage Tanks 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 Highpoint?
From about Oct 14 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 13 (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 13. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Highpoint's scale — its 6b band and its 225-day season. Your yard writes its own version of Highpoint'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 Highpoint’s own scale
7 of the readings below were taken at Highpoint's own scale — its own ~225-day season between 28°F freezes, the 220 acres it covers and 2,000 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Highpoint's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Highpoint's own 28°F hard-freeze dates, about Apr 2 and Nov 13 and the ~225-day span between themNOAA 1991–2020 Climate Normals
- 2,000 documented contamination sites on the federal record near Highpoint, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Highpoint's boundary and the 220 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~225-day seasonGrowable Ground crop-matching engine
- The ecoregion at Highpoint's own centroid, the Eastern Corn Belt PlainsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Highpointlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Highpoint's 220 acres read through its county's SSURGO summaryfrom Hamilton County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Hamilton 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 Hamilton County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Highpoint's 220 acreswhy one lot differs from the next →
- Which side of Highpoint you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 220 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 Highpoint-wide figureread your own land →
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