Mountain City, Georgia, sits in USDA hardiness zone 7b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Reliable performers under these conditions include cabbage, prickly pear, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Mountain City, 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 Mountain City 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 Mountain City — soil, climate, flood, and parcel records. How we handle your address.
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Mountain City — the short answer
Mountain City, Georgia: USDA zone 7b, about 229 days between hard freezes, across 1K acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 26
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 10
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~229
- 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 Mountain City's average, not your lot's — a low corner or a tree line moves it. Against Mountain City's 229-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Mountain City
Each reading below is measured for Mountain City itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredMountain City runs about 229 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
MeasuredMountain City 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 Mountain City is in
Mountain City sits in the Blue Ridge — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Mountain City's own centroid rather than borrowed from Rabun County.
What Grows in Mountain City
Every plant below cleared Mountain City's own zone 7b and its 229-day season. Each card opens that plant's Georgia profile. How we score.
Is it too late to plant in Mountain City?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Feb 26; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 26 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 10 — 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.
Documented around Mountain City
Survey cells within 31 miles of Mountain City checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 33 miles off. What to watch for.
What's on the federal record near Mountain City
Closest first, within ~10 miles of Mountain City. Listing isn't leaking, and distance isn't exposure.
- 441 SELF SERVICEUnderground Storage Tanks · 1000 ft
- BLACK ROCK MOUNTAIN STATE PARKUnderground Storage Tanks · 1000 ft
- JONES GARAGEUnderground Storage Tanks · 1700 ft
- MOUNTAIN CITY SCHOOL BUILDINGUnderground Storage Tanks · 0.7 mi
- LAWS GROCERYUnderground Storage Tanks · 0.7 mi
- TERRY'S SERVICE STATIONUnderground Storage Tanks · 0.7 mi
- DONS MOBILEUnderground Storage Tanks · 1.1 mi
- CLAYTONPFAS · 1.2 mi
- HANES KNIT PRODUCTSUnderground Storage Tanks · 1.3 mi
- CIRCLE M FOOD SHOP #43Underground Storage Tanks · 1.4 mi
- DON L INCUnderground Storage Tanks · 1.5 mi
- 441 BP/SMITYS SPIRITSUnderground Storage Tanks · 1.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Mountain City'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 Mountain City.
Total Sites
86
within ~10 miles of Mountain City
Risk Level
Moderate
Highest-severity
2 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Mountain City
Severity Distribution
within ~10 miles of Mountain City
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Mountain City, Underground Storage Tanks runs higher than the national average — 69 sites within ~10 miles of Mountain City. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Mountain City
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 Mountain City average
Your land is one point inside Mountain City
Everything above resolves to Mountain City 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 Mountain City Average
Mountain City Average
- ●USDA Zones 7b, averaged across Mountain City
- ●One soil character for all of Mountain City
- ●Frost dates read at Mountain City's scale: Mar 26 to Nov 10
YOUR Parcel
- ✓Your exact zone, not Mountain City's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Mountain City
Pull a site-specific report for your exact address in Mountain City, Georgia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Mountain City averages can't show:
We read public map data around Mountain City — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Mountain City average
How we know this about Mountain City
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 Mountain City’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 Mountain City
When does frost risk typically end in Mountain City?
The last hard freeze (28°F) in Mountain City typically lands around Mar 26, 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 16.
When is the first frost in Mountain City?
The first hard freeze (28°F) in Mountain City typically arrives around Nov 10, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 27, so the watching starts about Oct 11 — about 229 days after the spring freeze cleared.
How long is the growing season in Mountain City?
Measured between 28°F hard freezes, Mountain City sees about 229 frost-free days — roughly Mar 26 through Nov 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 16 to Oct 27, about 194 days.
Is the soil safe to grow vegetables in Mountain City?
The federal record around Mountain City shows 86 documented sites, mostly Underground Storage Tanks entries (69), the nearest Underground Storage Tanks record about 0.2 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 Mountain City?
From about Oct 11 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 10 (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 10. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Mountain City's scale — its 7b band and its 229-day season. Your yard writes its own version of Mountain City'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 Mountain City’s own scale
7 of the readings below were taken at Mountain City's own scale — its own ~229-day season between 28°F freezes, the 1,162 acres it covers and 86 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Mountain City's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Mountain City's own 28°F hard-freeze dates, about Mar 26 and Nov 10 and the ~229-day span between themNOAA 1991–2020 Climate Normals
- 86 documented contamination sites on the federal record near Mountain City, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Mountain City's boundary and the 1,162 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~229-day seasonGrowable Ground crop-matching engine
- The ecoregion at Mountain City's own centroid, the Blue RidgeUS EPA Level III Ecoregions
- Lanternfly survey cells around Mountain City checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Mountain City's 1,162 acres read through its county's SSURGO summaryfrom Rabun County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Rabun County
- The growing challenges every Georgia grower plans around — written at state scale, so they stay on the state guidefrom Georgia
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Rabun County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Mountain City's 1,162 acreswhy one lot differs from the next →
- Which side of Mountain City you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,162 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 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 Mountain City-wide figureread your own land →
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