Mint Hill, North Carolina, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
On paper, cabbage, fig, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Mint Hill, 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 Mint Hill 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 Mint Hill — soil, climate, flood, and parcel records. How we handle your address.
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Mint Hill — the short answer
Mint Hill, North Carolina: USDA zone 8a, about 258 days between hard freezes, across 16K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 10
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~258
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 16K 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 Mint Hill's average, not your lot's — a low corner or a tree line moves it. Against Mint Hill's 258-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Mint Hill
Each reading below is measured for Mint Hill itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredMint Hill runs about 258 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
MeasuredMint Hill 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 Mint Hill is in
Mint Hill sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Mint Hill's own centroid rather than borrowed from Mecklenburg County.
What Grows in Mint Hill
Every plant below cleared Mint Hill's own zone 8a and its 258-day season. Each card opens that plant's North Carolina profile. How we score.






























Is it too late to plant in Mint Hill?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Feb 10; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 10 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 23 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
Documented around Mint Hill
Spotted lanternfly documented 24 miles from Mint Hill, first recorded 2023. What to watch for.
What's on the federal record near Mint Hill
Closest first, within ~10 miles of Mint Hill. Listing isn't leaking, and distance isn't exposure.
- CVS PHARMACY #7536Brownfields · 2500 ft
- DEARL'S TEXACOUnderground Storage Tanks · 2500 ft
- 7-ELEVEN STORE 35542Underground Storage Tanks · 2600 ft
- EARPS 1Underground Storage Tanks · 2600 ft
- PUBLIX SUPERMARKET 1470 MINT HILL COMMONSBrownfields · 0.5 mi
- EARPS EXPRESSUnderground Storage Tanks · 0.6 mi
- HARRIS TEETER 474Brownfields · 0.6 mi
- ARTECH GRAPHICS INCBrownfields · 0.8 mi
- SO BELL-CHRLNCMIUnderground Storage Tanks · 1.0 mi
- MCGEE BROS CO INCUnderground Storage Tanks · 1.6 mi
- LOCKHEED CORPORATIONUnderground Storage Tanks · 1.8 mi
- WALGREENS #4549Brownfields · 2.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Mint Hill'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 Mint Hill.
Sources Checked
within ~10 miles of Mint Hill
Severity Distribution
within ~10 miles of Mint Hill
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Mint Hill, Superfund runs higher than the national average — 15 sites within ~10 miles of Mint Hill. 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 Mint Hill
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 Mint Hill average
Your land is one point inside Mint Hill
Everything above resolves to Mint Hill as a whole — one PHZM band and one 28°F frost record, read across 16K 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 Mint Hill Average
Mint Hill Average
- ●USDA Zones 8a, averaged across Mint Hill
- ●One soil character for all of Mint Hill
- ●Frost dates read at Mint Hill's scale: Mar 10 to Nov 23
YOUR Parcel
- ✓Your exact zone, not Mint Hill's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Mint Hill
Pull a site-specific report for your exact address in Mint Hill, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Mint Hill averages can't show:
We read public map data around Mint Hill — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Mint Hill average
How we know this about Mint Hill
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 Mint Hill’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 Mint Hill
When does frost risk typically end in Mint Hill?
The last hard freeze (28°F) in Mint Hill typically lands around Mar 10, 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 Mar 31.
When is the first frost in Mint Hill?
The first hard freeze (28°F) in Mint Hill typically arrives around Nov 23, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 9, so the watching starts about Oct 24 — about 258 days after the spring freeze cleared.
How long is the growing season in Mint Hill?
Measured between 28°F hard freezes, Mint Hill sees about 258 frost-free days — roughly Mar 10 through Nov 23, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 31 to Nov 9, about 223 days.
Is the soil safe to grow vegetables in Mint Hill?
The federal record around Mint Hill runs heavier than most — 1,015 documented sites, mostly Underground Storage Tanks entries (559), the nearest Brownfields record about 0.5 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Mint Hill?
From about Oct 24 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 23 (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 23. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Mint Hill's scale — its 8a band and its 258-day season. Your yard writes its own version of Mint Hill'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 Mint Hill’s own scale
7 of the readings below were taken at Mint Hill's own scale — its own ~258-day season between 28°F freezes, the 15,735 acres it covers and 1,015 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Mint Hill's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Mint Hill's own 28°F hard-freeze dates, about Mar 10 and Nov 23 and the ~258-day span between themNOAA 1991–2020 Climate Normals
- 1,015 documented contamination sites on the federal record near Mint Hill, the closest Brownfields record about 0.5 miles out from the town centreFederal environmental registers
- Mint Hill's boundary and the 15,735 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~258-day seasonGrowable Ground crop-matching engine
- The ecoregion at Mint Hill's own centroid, the PiedmontUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Mint Hilllydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Mint Hill's 15,735 acres read through its county's SSURGO summaryfrom Mecklenburg County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Mecklenburg 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 Mecklenburg County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Mint Hill's 15,735 acreswhy one lot differs from the next →
- Which side of Mint Hill you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 15,735 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 Mint Hill-wide figureread your own land →
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