Tryon, North Carolina, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
A short list that earns its place here — cabbage, fig, california poppy, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Tryon, 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 Tryon 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 Tryon — soil, climate, flood, and parcel records. How we handle your address.
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Tryon — the short answer
Tryon, North Carolina: USDA zone 8a, about 253 days between hard freezes, across 1K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 22
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~253
- 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 8a is Tryon's average, not your lot's — a low corner or a tree line moves it. Against Tryon's 253-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Tryon
Each reading below is measured for Tryon itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredTryon runs about 253 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
MeasuredTryon 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 Tryon is in
Tryon sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Tryon's own centroid rather than borrowed from Polk County.
What Grows in Tryon
Every plant below cleared Tryon's own zone 8a and its 253-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in Tryon?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Feb 14; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 14 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 22 — 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.
Documented around Tryon
Survey cells within 31 miles of Tryon 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 Tryon
Closest first, within ~10 miles of Tryon. Listing isn't leaking, and distance isn't exposure.
- NCDSCA DC750001( BROCKS CLEANERS )Brownfields · 350 ft
- PUBLIC WORKS BUILDINGUnderground Storage Tanks · 400 ft
- BROCKS CLEANERSBrownfields · 450 ft
- WHITE OAK MANOR - TRYONUnderground Storage Tanks · 500 ft
- STEVE'S GULF SERVICEUnderground Storage Tanks · 650 ft
- TRYONUnderground Storage Tanks · 650 ft
- LANIER GROC. & SERV.Underground Storage Tanks · 750 ft
- SANDY PLAINS TEXACO 10283Underground Storage Tanks · 750 ft
- RED FOX COUNTRY CLUBUnderground Storage Tanks · 750 ft
- J.W. COWAN INCUnderground Storage Tanks · 1100 ft
- BURRELL'S FUELS INCUnderground Storage Tanks · 1100 ft
- R.L. JORDAN OIL COMPANY OF NCUnderground Storage Tanks · 1200 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Tryon'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 Tryon.
Total Sites
137
within ~10 miles of Tryon
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Tryon
Severity Distribution
within ~10 miles of Tryon
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Tryon, two things run higher than the national average within ~10 miles of Tryon — PFAS (3 sites) and Underground Storage Tanks (102 sites). That's not a problem with your land — it's information about it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Tryon
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 Tryon average
Your land is one point inside Tryon
Everything above resolves to Tryon 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 Tryon Average
Tryon Average
- ●USDA Zones 8a, averaged across Tryon
- ●One soil character for all of Tryon
- ●Frost dates read at Tryon's scale: Mar 14 to Nov 22
YOUR Parcel
- ✓Your exact zone, not Tryon's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Tryon
Pull a site-specific report for your exact address in Tryon, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Tryon averages can't show:
We read public map data around Tryon — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Tryon average
How we know this about Tryon
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 Tryon’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 Tryon
When does frost risk typically end in Tryon?
The last hard freeze (28°F) in Tryon typically lands around Mar 14, 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 4.
When is the first frost in Tryon?
The first hard freeze (28°F) in Tryon typically arrives around Nov 22, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 8, so the watching starts about Oct 23 — about 253 days after the spring freeze cleared.
How long is the growing season in Tryon?
Measured between 28°F hard freezes, Tryon sees about 253 frost-free days — roughly Mar 14 through Nov 22, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 4 to Nov 8, about 218 days.
Is the soil safe to grow vegetables in Tryon?
The federal record around Tryon is a meaningful one — 137 documented sites, mostly Underground Storage Tanks entries (102), the nearest Brownfields 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 Tryon?
From about Oct 23 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 22 (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 22. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Tryon's scale — its 8a band and its 253-day season. Your yard writes its own version of Tryon'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 Tryon’s own scale
7 of the readings below were taken at Tryon's own scale — its own ~253-day season between 28°F freezes, the 1,278 acres it covers and 137 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Tryon's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Tryon's own 28°F hard-freeze dates, about Mar 14 and Nov 22 and the ~253-day span between themNOAA 1991–2020 Climate Normals
- 137 documented contamination sites on the federal record near Tryon, the closest Brownfields record under a tenth of a mile out from the town centreFederal environmental registers
- Tryon's boundary and the 1,278 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~253-day seasonGrowable Ground crop-matching engine
- The ecoregion at Tryon's own centroid, the PiedmontUS EPA Level III Ecoregions
- Lanternfly survey cells around Tryon 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 Tryon's 1,278 acres read through its county's SSURGO summaryfrom Polk County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Polk 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 Polk County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Tryon's 1,278 acreswhy one lot differs from the next →
- Which side of Tryon you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,278 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 Tryon-wide figureread your own land →
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