Byrdstown, Tennessee, sits in USDA hardiness zone 7a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Expect cabbage, hazelnut, california poppy, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Byrdstown, 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 Byrdstown 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 Byrdstown — soil, climate, flood, and parcel records. How we handle your address.
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Byrdstown — the short answer
Byrdstown, Tennessee: USDA zone 7a, about 215 days between hard freezes, across 952 acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 3
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 4
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~215
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 952 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 Byrdstown's average, not your lot's — a low corner or a tree line moves it. Against Byrdstown's 215-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Byrdstown
Each reading below is measured for Byrdstown itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredByrdstown runs about 215 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
MeasuredByrdstown 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 Byrdstown is in
Byrdstown sits in the Interior Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Byrdstown's own centroid rather than borrowed from Pickett County.
What Grows in Byrdstown
Every plant below cleared Byrdstown's own zone 7a and its 215-day season. Each card opens that plant's Tennessee profile. How we score.
Is it too late to plant in Byrdstown?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 6; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 3 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 4 — 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.
What's on the federal record near Byrdstown
Closest first, within ~10 miles of Byrdstown. Listing isn't leaking, and distance isn't exposure.
- Kirby DowdyUnderground Storage Tanks · 600 ft
- Pickett CountyUnderground Storage Tanks · 600 ft
- Lvt VorUnderground Storage Tanks · 600 ft
- Bowman StrUnderground Storage Tanks · 600 ft
- Morgan GroceryUnderground Storage Tanks · 600 ft
- Beaty's GroceryUnderground Storage Tanks · 600 ft
- Blue Grass CoopUnderground Storage Tanks · 600 ft
- Cty Of ByrdstownUnderground Storage Tanks · 600 ft
- Pickett Co H DUnderground Storage Tanks · 600 ft
- Star Pt ResortUnderground Storage Tanks · 600 ft
- Twin Lakes TelephoneUnderground Storage Tanks · 600 ft
- Zachary's GroceryUnderground Storage Tanks · 600 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Byrdstown'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 Byrdstown.
Total Sites
114
within ~10 miles of Byrdstown
Risk Level
Moderate
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Byrdstown
Severity Distribution
within ~10 miles of Byrdstown
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Byrdstown, two things run higher than the national average within ~10 miles of Byrdstown — Mining (10 sites) and Underground Storage Tanks (90 sites). That's not a problem with your land — it's information about it.
Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Byrdstown
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 Byrdstown average
Your land is one point inside Byrdstown
Everything above resolves to Byrdstown as a whole — one PHZM band and one 28°F frost record, read across 952 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 Byrdstown Average
Byrdstown Average
- ●USDA Zones 7a, averaged across Byrdstown
- ●One soil character for all of Byrdstown
- ●Frost dates read at Byrdstown's scale: Apr 3 to Nov 4
YOUR Parcel
- ✓Your exact zone, not Byrdstown's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Byrdstown
Pull a site-specific report for your exact address in Byrdstown, Tennessee — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Byrdstown averages can't show:
We read public map data around Byrdstown — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Byrdstown average
How we know this about Byrdstown
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 Byrdstown’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 Byrdstown
When does frost risk typically end in Byrdstown?
The last hard freeze (28°F) in Byrdstown typically lands around Apr 3, 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 24.
When is the first frost in Byrdstown?
The first hard freeze (28°F) in Byrdstown typically arrives around Nov 4, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 21, so the watching starts about Oct 5 — about 215 days after the spring freeze cleared.
How long is the growing season in Byrdstown?
Measured between 28°F hard freezes, Byrdstown sees about 215 frost-free days — roughly Apr 3 through Nov 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 24 to Oct 21, about 180 days.
Is the soil safe to grow vegetables in Byrdstown?
The federal record around Byrdstown shows 114 documented sites, mostly Underground Storage Tanks entries (90), the nearest Underground Storage Tanks 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 Byrdstown?
From about Oct 5 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 4 (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 4. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Byrdstown's scale — its 7a band and its 215-day season. Your yard writes its own version of Byrdstown'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 Byrdstown’s own scale
6 of the readings below were taken at Byrdstown's own scale — its own ~215-day season between 28°F freezes, the 952 acres it covers and 114 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Byrdstown's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Byrdstown's own 28°F hard-freeze dates, about Apr 3 and Nov 4 and the ~215-day span between themNOAA 1991–2020 Climate Normals
- 114 documented contamination sites on the federal record near Byrdstown, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Byrdstown's boundary and the 952 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~215-day seasonGrowable Ground crop-matching engine
- The ecoregion at Byrdstown's own centroid, the Interior PlateauUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Byrdstown's 952 acres read through its county's SSURGO summaryfrom Pickett County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Pickett 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 Pickett County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Byrdstown's 952 acreswhy one lot differs from the next →
- Which side of Byrdstown you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 952 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Byrdstown-wide figureread your own land →
More in Tennessee
Wider growing context
What grows across TennesseeByrdstown sits outside our named growing regions, so Tennessee as a whole is its closest context here.
Nearby growing guides