Franklin, North Carolina, sits in USDA hardiness zone 7b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
On paper, cabbage, prickly pear, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Franklin, 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 Franklin 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 Franklin — soil, climate, flood, and parcel records. How we handle your address.
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Franklin — the short answer
Franklin, North Carolina: USDA zone 7b, about 206 days between hard freezes, across 3K acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 6
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 29
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~206
- 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 7b is Franklin's average, not your lot's — a low corner or a tree line moves it. Against Franklin's 206-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Franklin
Each reading below is measured for Franklin itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredFranklin runs about 206 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
MeasuredFranklin 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 Franklin is in
Franklin sits in the Blue Ridge — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Franklin's own centroid rather than borrowed from Macon County.
What Grows in Franklin
Every plant below cleared Franklin's own zone 7b and its 206-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in Franklin?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 9; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 6 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 29 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
Documented around Franklin
Spotted lanternfly documented 25 miles from Franklin, first recorded 2023. What to watch for.
What's on the federal record near Franklin
Closest first, within ~10 miles of Franklin. Listing isn't leaking, and distance isn't exposure.
- STILES SERVICE CENTERUnderground Storage Tanks · 250 ft
- SWEENEYS AMOCOUnderground Storage Tanks · 550 ft
- SHOOK'S SHELLUnderground Storage Tanks · 600 ft
- ROPER'S 66Underground Storage Tanks · 700 ft
- FRANKLIN OFFICEUnderground Storage Tanks · 950 ft
- FIRST UNION NATIONAL BANKUnderground Storage Tanks · 950 ft
- MACON COUNTY COURTHOUSEUnderground Storage Tanks · 1000 ft
- FRANKLIN HIGH SCHOOLUnderground Storage Tanks · 1100 ft
- MORGAN OIL CO. PLANT 2Underground Storage Tanks · 1300 ft
- FRANKLIN CITGO SERV CTRUnderground Storage Tanks · 1300 ft
- BILTMORE DAIRY FARMS INCUnderground Storage Tanks · 1400 ft
- SIMPSON OIL CO., INC.Underground Storage Tanks · 1600 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Franklin'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 Franklin.
Total Sites
121
within ~10 miles of Franklin
Risk Level
Elevated
Highest-severity
7 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Franklin
Severity Distribution
within ~10 miles of Franklin
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Franklin, two things run higher than the national average within ~10 miles of Franklin — Mining (13 sites) and Underground Storage Tanks (82 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around 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 Franklin
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 Franklin average
Your land is one point inside Franklin
Everything above resolves to Franklin 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 Franklin Average
Franklin Average
- ●USDA Zones 7b, averaged across Franklin
- ●One soil character for all of Franklin
- ●Frost dates read at Franklin's scale: Apr 6 to Oct 29
YOUR Parcel
- ✓Your exact zone, not Franklin's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Franklin
Pull a site-specific report for your exact address in Franklin, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Franklin averages can't show:
We read public map data around Franklin — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Franklin average
How we know this about Franklin
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 Franklin’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 Franklin
When does frost risk typically end in Franklin?
The last hard freeze (28°F) in Franklin typically lands around Apr 6, 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 27.
When is the first frost in Franklin?
The first hard freeze (28°F) in Franklin typically arrives around Oct 29, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 15, so the watching starts about Sep 29 — about 206 days after the spring freeze cleared.
How long is the growing season in Franklin?
Measured between 28°F hard freezes, Franklin sees about 206 frost-free days — roughly Apr 6 through Oct 29, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 27 to Oct 15, about 171 days.
Is the soil safe to grow vegetables in Franklin?
The federal record around Franklin is a meaningful one — 121 documented sites, mostly Underground Storage Tanks entries (82), the nearest Underground Storage Tanks record under a tenth of a mile 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 Franklin?
From about Sep 29 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 Oct 29 (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 Oct 29. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Franklin's scale — its 7b band and its 206-day season. Your yard writes its own version of Franklin'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 Franklin’s own scale
7 of the readings below were taken at Franklin's own scale — its own ~206-day season between 28°F freezes, the 3,164 acres it covers and 121 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Franklin's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Franklin's own 28°F hard-freeze dates, about Apr 6 and Oct 29 and the ~206-day span between themNOAA 1991–2020 Climate Normals
- 121 documented contamination sites on the federal record near Franklin, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Franklin's boundary and the 3,164 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~206-day seasonGrowable Ground crop-matching engine
- The ecoregion at Franklin's own centroid, the Blue RidgeUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Franklinlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Franklin's 3,164 acres read through its county's SSURGO summaryfrom Macon County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Macon County
- The growing challenges every North Carolina grower plans around — written at state scale, so they stay on the state guidefrom North Carolina
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Macon County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Franklin's 3,164 acreswhy one lot differs from the next →
- Which side of Franklin you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 3,164 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record under a tenth of a mile 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 Franklin-wide figureread your own land →