Dellrose, Tennessee, sits in USDA hardiness zone 7b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
A short list that earns its place here — cabbage, prickly pear, california poppy, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Dellrose, 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 Dellrose 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 Dellrose — soil, climate, flood, and parcel records. How we handle your address.
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Dellrose — the short answer
Dellrose, Tennessee: USDA zone 7b, about 233 days between hard freezes, across 1K acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 21
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 9
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~233
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 1K 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 7b is Dellrose's average, not your lot's — a low corner or a tree line moves it. Against Dellrose's 233-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Dellrose
Each reading below is measured for Dellrose itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredDellrose runs about 233 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
MeasuredDellrose sits in USDA hardiness zone 7b.
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 Dellrose is in
Dellrose sits in the Interior Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Dellrose's own centroid rather than borrowed from Lincoln County.
What Grows in Dellrose
Every plant below cleared Dellrose's own zone 7b and its 233-day season. Each card opens that plant's Tennessee profile. How we score.
Is it too late to plant in Dellrose?
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 21; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 21 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 9 — 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 Dellrose
Closest first, within ~10 miles of Dellrose. Listing isn't leaking, and distance isn't exposure.
- THE RTR GROUP INCToxics Release Inventory · 3.6 mi
- Coldwater GroceryUnderground Storage Tanks · 4.5 mi
- LI:G-010Nitrate · 4.6 mi
- Mcburg GroceryUnderground Storage Tanks · 5.0 mi
- Shady Lawn Truck StopUnderground Storage Tanks · 5.1 mi
- ARDMORE WATER SYSTEMPFAS · 5.2 mi
- Frankewing BPUnderground Storage Tanks · 5.6 mi
- Blanch SchoolUnderground Storage Tanks · 5.9 mi
- Blanche Grocery and DeliUnderground Storage Tanks · 6.0 mi
- Turners GrocerUnderground Storage Tanks · 6.0 mi
- HUBBELL POWER SYSTEMSBrownfields · 6.2 mi
- HPS ELKTONToxics Release Inventory · 6.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Dellrose'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 Dellrose.
Total Sites
78
within ~10 miles of Dellrose
Risk Level
Elevated
Highest-severity
3 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Dellrose
Severity Distribution
within ~10 miles of Dellrose
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Dellrose, Superfund runs higher than the national average — 3 sites within ~10 miles of Dellrose. That's not a problem with your land — it's information about 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 Dellrose
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 Dellrose average
Your land is one point inside Dellrose
Everything above resolves to Dellrose as a whole — one PHZM band and one 28°F frost record, read across 1K 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 Dellrose Average
Dellrose Average
- ●USDA Zones 7b, averaged across Dellrose
- ●One soil character for all of Dellrose
- ●Frost dates read at Dellrose's scale: Mar 21 to Nov 9
YOUR Parcel
- ✓Your exact zone, not Dellrose's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Dellrose
Pull a site-specific report for your exact address in Dellrose, Tennessee — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Dellrose averages can't show:
We read public map data around Dellrose — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Dellrose average
How we know this about Dellrose
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 Dellrose’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 Dellrose
When does frost risk typically end in Dellrose?
The last hard freeze (28°F) in Dellrose typically lands around Mar 21, 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 11.
When is the first frost in Dellrose?
The first hard freeze (28°F) in Dellrose typically arrives around Nov 9, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 26, so the watching starts about Oct 10 — about 233 days after the spring freeze cleared.
How long is the growing season in Dellrose?
Measured between 28°F hard freezes, Dellrose sees about 233 frost-free days — roughly Mar 21 through Nov 9, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 11 to Oct 26, about 198 days.
Is the soil safe to grow vegetables in Dellrose?
The federal record around Dellrose is a meaningful one — 78 documented sites, mostly Underground Storage Tanks entries (47), the nearest Toxics Release Inventory record about 3.6 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 Dellrose?
From about Oct 10 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 9 (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 9. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Dellrose's scale — its 7b band and its 233-day season. Your yard writes its own version of Dellrose'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 Dellrose’s own scale
6 of the readings below were taken at Dellrose's own scale — its own ~233-day season between 28°F freezes, the 1,449 acres it covers and 78 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Dellrose's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Dellrose's own 28°F hard-freeze dates, about Mar 21 and Nov 9 and the ~233-day span between themNOAA 1991–2020 Climate Normals
- 78 documented contamination sites on the federal record near Dellrose, the closest Toxics Release Inventory record about 3.6 miles out from the town centreFederal environmental registers
- Dellrose's boundary and the 1,449 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~233-day seasonGrowable Ground crop-matching engine
- The ecoregion at Dellrose's own centroid, the Interior PlateauUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Dellrose's 1,449 acres read through its county's SSURGO summaryfrom Lincoln County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Lincoln 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 Lincoln County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Dellrose's 1,449 acreswhy one lot differs from the next →
- Which side of Dellrose you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,449 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Toxics Release Inventory record about 3.6 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 Dellrose-wide figureread your own land →
More in Tennessee
Wider growing context
What grows across TennesseeDellrose sits outside our named growing regions, so Tennessee as a whole is its closest context here.
Nearby growing guides