Conasauga, Tennessee, sits in USDA hardiness zone 8a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Crops well matched to these conditions include cabbage, fig, california poppy, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Conasauga, 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 Conasauga 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 Conasauga — soil, climate, flood, and parcel records. How we handle your address.
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Conasauga — the short answer
Conasauga, Tennessee: USDA zone 8a, about 244 days between hard freezes, across 243 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 15
- 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
- ~244
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 243 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 Conasauga's average, not your lot's — a low corner or a tree line moves it. Against Conasauga's 244-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Conasauga
Each reading below is measured for Conasauga itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredConasauga runs about 244 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
MeasuredConasauga 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 Conasauga is in
Conasauga sits in the Ridge and Valley — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Conasauga's own centroid, and it is not what its county reads: Polk County is mostly Blue Ridge. The wider page above you is answering a different question about different ground.
What Grows in Conasauga
Every plant below cleared Conasauga's own zone 8a and its 244-day season. Each card opens that plant's Tennessee profile. How we score.
Is it too late to plant in Conasauga?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 15; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 15 (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. 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.
What's on the federal record near Conasauga
Closest first, within ~10 miles of Conasauga. Listing isn't leaking, and distance isn't exposure.
- CONASAUGA RIVER LUMBER COMPANYToxics Release Inventory · 650 ft
- CONASAUGA RIVER LUMBER COMPANYBrownfields · 650 ft
- American UniformUnderground Storage Tanks · 800 ft
- Webb TruckingUnderground Storage Tanks · 1300 ft
- Walter WebbUnderground Storage Tanks · 1300 ft
- ZAHA PROPERTIESUnderground Storage Tanks · 1.4 mi
- CHATSWORTHPFAS · 1.5 mi
- 08PP04Nitrate · 1.8 mi
- SUTTON BROS LUMBERUnderground Storage Tanks · 1.8 mi
- Mapco #3665Underground Storage Tanks · 1.9 mi
- St. Clairs No. 8Underground Storage Tanks · 2.0 mi
- Rose S/sUnderground Storage Tanks · 2.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Conasauga'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 Conasauga.
Total Sites
66
within ~10 miles of Conasauga
Risk Level
Moderate
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Conasauga
Severity Distribution
within ~10 miles of Conasauga
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Conasauga, two things run higher than the national average within ~10 miles of Conasauga — CAFO (3 sites) and Underground Storage Tanks (46 sites). That's not a problem with your land — it's information about it.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Conasauga
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 Conasauga average
Your land is one point inside Conasauga
Everything above resolves to Conasauga as a whole — one PHZM band and one 28°F frost record, read across 243 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 Conasauga Average
Conasauga Average
- ●USDA Zones 8a, averaged across Conasauga
- ●One soil character for all of Conasauga
- ●Frost dates read at Conasauga's scale: Mar 15 to Nov 14
YOUR Parcel
- ✓Your exact zone, not Conasauga's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Conasauga
Pull a site-specific report for your exact address in Conasauga, Tennessee — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Conasauga averages can't show:
We read public map data around Conasauga — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Conasauga average
How we know this about Conasauga
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 Conasauga’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 Conasauga
When does frost risk typically end in Conasauga?
The last hard freeze (28°F) in Conasauga typically lands around Mar 15, 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 5.
When is the first frost in Conasauga?
The first hard freeze (28°F) in Conasauga 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 244 days after the spring freeze cleared.
How long is the growing season in Conasauga?
Measured between 28°F hard freezes, Conasauga sees about 244 frost-free days — roughly Mar 15 through Nov 14, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 5 to Oct 31, about 209 days.
Is the soil safe to grow vegetables in Conasauga?
The federal record around Conasauga shows 66 documented sites, mostly Underground Storage Tanks entries (46), the nearest Toxics Release Inventory record about 0.1 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 Conasauga?
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 Conasauga's scale — its 8a band and its 244-day season. Your yard writes its own version of Conasauga'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 Conasauga’s own scale
6 of the readings below were taken at Conasauga's own scale — its own ~244-day season between 28°F freezes, the 243 acres it covers and 66 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Conasauga's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Conasauga's own 28°F hard-freeze dates, about Mar 15 and Nov 14 and the ~244-day span between themNOAA 1991–2020 Climate Normals
- 66 documented contamination sites on the federal record near Conasauga, the closest Toxics Release Inventory record about 0.1 miles out from the town centreFederal environmental registers
- Conasauga's boundary and the 243 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~244-day seasonGrowable Ground crop-matching engine
- Conasauga sits in the Ridge and Valley — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Conasauga's 243 acres read through its county's SSURGO summaryfrom Polk County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Polk 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 Polk County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Conasauga's 243 acreswhy one lot differs from the next →
- Which side of Conasauga you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 243 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Toxics Release Inventory record about 0.1 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 Conasauga-wide figureread your own land →