Miller, Ohio, sits in USDA hardiness zone 7a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
The conditions favor cabbage, hazelnut, california poppy, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Miller, 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 Miller 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 Miller — soil, climate, flood, and parcel records. How we handle your address.
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Miller — the short answer
Miller, Ohio: USDA zone 7a, about 226 days between hard freezes, across 634 acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 29
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 10
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~226
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 634 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 7a is Miller's average, not your lot's — a low corner or a tree line moves it. Against Miller's 226-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Miller
Each reading below is measured for Miller itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredMiller runs about 226 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
MeasuredMiller sits in USDA hardiness zone 7a.
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 Miller is in
Miller sits in the Western Allegheny Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Miller's own centroid rather than borrowed from Lawrence County.
What Grows in Miller
Every plant below cleared Miller's own zone 7a and its 226-day season. Each card opens that plant's Ohio profile. How we score.
Is it too late to plant in Miller?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 29 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 10 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
Documented around Miller
Survey cells within 31 miles of Miller checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 103 miles off. What to watch for.
What's on the federal record near Miller
Closest first, within ~10 miles of Miller. Listing isn't leaking, and distance isn't exposure.
- JERRY & DONNA CALLOWAYUnderground Storage Tanks · 1100 ft
- ELI SHORTUnderground Storage Tanks · 0.5 mi
- ORPHAN TANKUnderground Storage Tanks · 1.2 mi
- ZINSSER & CO INC NEW PARKS DIVToxics Release Inventory · 2.0 mi
- ZINSSER & CO INC NEW PARKS DIVBrownfields · 2.0 mi
- Cab-0209Nitrate · 2.2 mi
- UNITED GROCERYUnderground Storage Tanks · 2.2 mi
- OH4401612 Lawrence Production Well 0007Nitrate · 2.6 mi
- ALCON RESEARCH, LTD., LESAGEToxics Release Inventory · 2.9 mi
- ALCON RESEARCH, LTD.Toxics Release Inventory · 3.0 mi
- ALCON RESEARCH, LTD.Brownfields · 3.0 mi
- DOLLAR GENERAL STORE #10527Brownfields · 3.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Miller'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 Miller.
Total Sites
346
within ~10 miles of Miller
Risk Level
Elevated
Highest-severity
7 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Miller
Severity Distribution
within ~10 miles of Miller
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Miller, Superfund runs higher than the national average — 7 sites within ~10 miles of Miller. 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.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Miller
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 Miller average
Your land is one point inside Miller
Everything above resolves to Miller as a whole — one PHZM band and one 28°F frost record, read across 634 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 Miller Average
Miller Average
- ●USDA Zones 7a, averaged across Miller
- ●One soil character for all of Miller
- ●Frost dates read at Miller's scale: Mar 29 to Nov 10
YOUR Parcel
- ✓Your exact zone, not Miller's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Miller
Pull a site-specific report for your exact address in Miller, Ohio — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Miller averages can't show:
We read public map data around Miller — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Miller average
How we know this about Miller
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 Miller’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 Miller
When does frost risk typically end in Miller?
The last hard freeze (28°F) in Miller typically lands around Mar 29, 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 19.
When is the first frost in Miller?
The first hard freeze (28°F) in Miller typically arrives around Nov 10, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 27, so the watching starts about Oct 11 — about 226 days after the spring freeze cleared.
How long is the growing season in Miller?
Measured between 28°F hard freezes, Miller sees about 226 frost-free days — roughly Mar 29 through Nov 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 19 to Oct 27, about 191 days.
Is the soil safe to grow vegetables in Miller?
The federal record around Miller is a meaningful one — 346 documented sites, mostly Underground Storage Tanks entries (186), 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.
How do I protect my plants from frost in Miller?
From about Oct 11 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 10 (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 10. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Miller's scale — its 7a band and its 226-day season. Your yard writes its own version of Miller'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 Miller’s own scale
7 of the readings below were taken at Miller's own scale — its own ~226-day season between 28°F freezes, the 634 acres it covers and 346 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Miller's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Miller's own 28°F hard-freeze dates, about Mar 29 and Nov 10 and the ~226-day span between themNOAA 1991–2020 Climate Normals
- 346 documented contamination sites on the federal record near Miller, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Miller's boundary and the 634 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~226-day seasonGrowable Ground crop-matching engine
- The ecoregion at Miller's own centroid, the Western Allegheny PlateauUS EPA Level III Ecoregions
- Lanternfly survey cells around Miller 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 Miller's 634 acres read through its county's SSURGO summaryfrom Lawrence County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Lawrence 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 Lawrence County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Miller's 634 acreswhy one lot differs from the next →
- Which side of Miller you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 634 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 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 Miller-wide figureread your own land →