Falling Water, Tennessee, sits in USDA hardiness zone 8a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
A short list that earns its place here — cabbage, fig, california poppy, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Falling Water, 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 Falling Water 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 Falling Water — soil, climate, flood, and parcel records. How we handle your address.
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Falling Water — the short answer
Falling Water, Tennessee: USDA zone 8a, about 241 days between hard freezes, across 3K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 18
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~241
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 3K 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 8a is Falling Water's average, not your lot's — a low corner or a tree line moves it. Against Falling Water's 241-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Falling Water
Each reading below is measured for Falling Water itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredFalling Water runs about 241 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
MeasuredFalling Water sits in USDA hardiness zone 8a.
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 Falling Water is in
Falling Water sits in the Ridge and Valley — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Falling Water's own centroid rather than borrowed from Hamilton County.
What Grows in Falling Water
Every plant below cleared Falling Water's own zone 8a and its 241-day season. Each card opens that plant's Tennessee profile. How we score.






























Is it too late to plant in Falling Water?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Feb 18; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 18 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 14 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
Documented around Falling Water
Survey cells within 31 miles of Falling Water checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 90 miles off. What to watch for.
What's on the federal record near Falling Water
Closest first, within ~10 miles of Falling Water. Listing isn't leaking, and distance isn't exposure.
- Hm:M-055Nitrate · 0.5 mi
- Sunset MarketUnderground Storage Tanks · 0.8 mi
- Gap GulfUnderground Storage Tanks · 0.8 mi
- Majik Market #09418Underground Storage Tanks · 1.0 mi
- Raceway no. 6756Underground Storage Tanks · 1.0 mi
- Kmart #7531Underground Storage Tanks · 1.5 mi
- Thomas Bros Construction Co IncUnderground Storage Tanks · 1.5 mi
- Pit Stop MarketUnderground Storage Tanks · 1.9 mi
- J I Brown Tree Expert CoUnderground Storage Tanks · 2.0 mi
- Mountain General VideoUnderground Storage Tanks · 2.3 mi
- Hm:N-090Nitrate · 2.3 mi
- Krisna, LLC.Underground Storage Tanks · 2.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Falling Water'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 Falling Water.
Sources Checked
within ~10 miles of Falling Water
Severity Distribution
within ~10 miles of Falling Water
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Falling Water, two things run higher than the national average within ~10 miles of Falling Water — Toxics Release Inventory (66 sites) and Superfund (8 sites). 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.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Falling Water
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 Falling Water average
Your land is one point inside Falling Water
Everything above resolves to Falling Water as a whole — one PHZM band and one 28°F frost record, read across 3K 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 Falling Water Average
Falling Water Average
- ●USDA Zones 8a, averaged across Falling Water
- ●One soil character for all of Falling Water
- ●Frost dates read at Falling Water's scale: Mar 18 to Nov 14
YOUR Parcel
- ✓Your exact zone, not Falling Water's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Falling Water
Pull a site-specific report for your exact address in Falling Water, Tennessee — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Falling Water averages can't show:
We read public map data around Falling Water — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Falling Water average
How we know this about Falling Water
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 Falling Water’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 Falling Water
When does frost risk typically end in Falling Water?
The last hard freeze (28°F) in Falling Water typically lands around Mar 18, 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 8.
When is the first frost in Falling Water?
The first hard freeze (28°F) in Falling Water typically arrives around Nov 14, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 31, so the watching starts about Oct 15 — about 241 days after the spring freeze cleared.
How long is the growing season in Falling Water?
Measured between 28°F hard freezes, Falling Water sees about 241 frost-free days — roughly Mar 18 through Nov 14, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 8 to Oct 31, about 206 days.
Is the soil safe to grow vegetables in Falling Water?
The federal record around Falling Water is a meaningful one — 586 documented sites, mostly Underground Storage Tanks entries (383), the nearest Nitrate record about 0.5 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 Falling Water?
From about Oct 15 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 14 (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 14. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Falling Water's scale — its 8a band and its 241-day season. Your yard writes its own version of Falling Water'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 Falling Water’s own scale
7 of the readings below were taken at Falling Water's own scale — its own ~241-day season between 28°F freezes, the 3,207 acres it covers and 586 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Falling Water's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Falling Water's own 28°F hard-freeze dates, about Mar 18 and Nov 14 and the ~241-day span between themNOAA 1991–2020 Climate Normals
- 586 documented contamination sites on the federal record near Falling Water, the closest Nitrate record about 0.5 miles out from the town centreFederal environmental registers
- Falling Water's boundary and the 3,207 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~241-day seasonGrowable Ground crop-matching engine
- The ecoregion at Falling Water's own centroid, the Ridge and ValleyUS EPA Level III Ecoregions
- Lanternfly survey cells around Falling Water 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 Falling Water's 3,207 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 Tennessee grower plans around — written at state scale, so they stay on the state guidefrom Tennessee
- 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 Falling Water's 3,207 acreswhy one lot differs from the next →
- Which side of Falling Water you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 3,207 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.5 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 Falling Water-wide figureread your own land →
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