Trotwood, Ohio, sits in USDA hardiness zone 6b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
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 Trotwood, 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 Trotwood 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 Trotwood — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Trotwood — the short answer
Trotwood, Ohio: USDA zone 6b, about 218 days between hard freezes, across 20K acres of city.
- 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 6
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~218
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 20K 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 Trotwood's average, not your lot's — a low corner or a tree line moves it. Against Trotwood's 218-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Trotwood
Each reading below is measured for Trotwood itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredTrotwood runs about 218 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
MeasuredTrotwood 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 Trotwood is in
Trotwood sits in the Eastern Corn Belt Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Trotwood's own centroid rather than borrowed from Montgomery County.
What Grows in Trotwood
Every plant below cleared Trotwood's own zone 6b and its 218-day season. Each card opens that plant's Ohio profile. How we score.
Is it too late to plant in Trotwood?
Almost never — the real question is what to plant next. 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 6 — 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 Trotwood
Spotted lanternfly documented 25 miles from Trotwood, first recorded 2023. What to watch for.
What's on the federal record near Trotwood
Closest first, within ~10 miles of Trotwood. Listing isn't leaking, and distance isn't exposure.
- TROTWOOD MADISON CITY SCHOOLSUnderground Storage Tanks · 0.6 mi
- TROTWOOD CITY PWSPFAS · 0.8 mi
- TROTWOOD CENTRAL OFFICEUnderground Storage Tanks · 0.8 mi
- BP OIL CO. #09794Underground Storage Tanks · 0.9 mi
- MADISON TOWNSHIP GARAGEUnderground Storage Tanks · 0.9 mi
- DOLLAR GENERAL STORE #13584Brownfields · 1.2 mi
- PARTY CENTER BEER & WINEUnderground Storage Tanks · 1.2 mi
- SERVICE GARAGEUnderground Storage Tanks · 1.3 mi
- FAMILY DOLLAR #3076Brownfields · 1.3 mi
- SPEEDWAY SUPERAMERICA LLC 1090Brownfields · 1.5 mi
- HILLTOP BASIC RESOURCES, INC.Underground Storage Tanks · 1.5 mi
- A & B AUTO PARTSBrownfields · 1.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Trotwood'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 Trotwood.
Sources Checked
within ~10 miles of Trotwood
Severity Distribution
within ~10 miles of Trotwood
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Trotwood, two things run higher than the national average within ~10 miles of Trotwood — Superfund (37 sites) and Toxics Release Inventory (136 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 Trotwood
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 Trotwood average
Your land is one point inside Trotwood
Everything above resolves to Trotwood as a whole — one PHZM band and one 28°F frost record, read across 20K 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 Trotwood Average
Trotwood Average
- ●USDA Zones 6b, averaged across Trotwood
- ●One soil character for all of Trotwood
- ●Frost dates read at Trotwood's scale: Apr 2 to Nov 6
YOUR Parcel
- ✓Your exact zone, not Trotwood's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Trotwood
Pull a site-specific report for your exact address in Trotwood, Ohio — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Trotwood averages can't show:
We read public map data around Trotwood — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Trotwood average
How we know this about Trotwood
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 Trotwood’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 Trotwood
When does frost risk typically end in Trotwood?
The last hard freeze (28°F) in Trotwood 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 Trotwood?
The first hard freeze (28°F) in Trotwood typically arrives around Nov 6, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 23, so the watching starts about Oct 7 — about 218 days after the spring freeze cleared.
How long is the growing season in Trotwood?
Measured between 28°F hard freezes, Trotwood sees about 218 frost-free days — roughly Apr 2 through Nov 6, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 23 to Oct 23, about 183 days.
Is the soil safe to grow vegetables in Trotwood?
The federal record around Trotwood runs heavier than most — 1,595 documented sites, mostly Underground Storage Tanks entries (790), the nearest Underground Storage Tanks record about 0.6 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 Trotwood?
From about Oct 7 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 6 (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 6. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Trotwood's scale — its 6b band and its 218-day season. Your yard writes its own version of Trotwood'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 Trotwood’s own scale
7 of the readings below were taken at Trotwood's own scale — its own ~218-day season between 28°F freezes, the 19,512 acres it covers and 1,595 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Trotwood's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Trotwood's own 28°F hard-freeze dates, about Apr 2 and Nov 6 and the ~218-day span between themNOAA 1991–2020 Climate Normals
- 1,595 documented contamination sites on the federal record near Trotwood, the closest Underground Storage Tanks record about 0.6 miles out from the town centreFederal environmental registers
- Trotwood's boundary and the 19,512 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~218-day seasonGrowable Ground crop-matching engine
- The ecoregion at Trotwood's own centroid, the Eastern Corn Belt PlainsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Trotwoodlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Trotwood's 19,512 acres read through its county's SSURGO summaryfrom Montgomery County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Montgomery 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 Montgomery County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Trotwood's 19,512 acreswhy one lot differs from the next →
- Which side of Trotwood you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 19,512 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.6 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 Trotwood-wide figureread your own land →
More in Ohio
Wider growing context
What grows across OhioTrotwood sits outside our named growing regions, so Ohio as a whole is its closest context here.
Nearby growing guides