St. Stephens, North Carolina, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
The conditions favor cabbage, fig, california poppy, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in St. Stephens, 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 St. Stephens 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 St. Stephens — soil, climate, flood, and parcel records. How we handle your address.
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St. Stephens — the short answer
St. Stephens, North Carolina: USDA zone 8a, about 240 days between hard freezes, across 6K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 18
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~240
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 6K 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 St. Stephens's average, not your lot's — a low corner or a tree line moves it. Against St. Stephens's 240-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in St. Stephens
Each reading below is measured for St. Stephens itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSt. Stephens runs about 240 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
MeasuredSt. Stephens 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 St. Stephens is in
St. Stephens sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at St. Stephens's own centroid rather than borrowed from Catawba County.
What Grows in St. Stephens
Every plant below cleared St. Stephens's own zone 8a and its 240-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in St. Stephens?
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 18; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 18 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 13 — 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 St. Stephens
Survey cells within 31 miles of St. Stephens checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 31 miles off. What to watch for.
What's on the federal record near St. Stephens
Closest first, within ~10 miles of St. Stephens. Listing isn't leaking, and distance isn't exposure.
- SPRINGS ROAD GAS HOUSEUnderground Storage Tanks · 1800 ft
- HICKORY SPRINGS RD CENTRAL OFFICUnderground Storage Tanks · 1800 ft
- PROPST #11 LLCUnderground Storage Tanks · 1900 ft
- CUBBARD EXPRESS 9Underground Storage Tanks · 0.8 mi
- HUFFMAN BROTHERS HOUSEMOVINGUnderground Storage Tanks · 0.8 mi
- CIRCLE K 4921Underground Storage Tanks · 0.8 mi
- WALGREENS #11629Brownfields · 1.1 mi
- SPEEDWAY #7963Underground Storage Tanks · 1.1 mi
- WALMART NEIGHBORHOOD MARKET #3504Brownfields · 1.1 mi
- SHEETZ #602Brownfields · 1.2 mi
- L.R. TROUTMAN PLUMBINGUnderground Storage Tanks · 1.2 mi
- PROPST 13Underground Storage Tanks · 1.3 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from St. Stephens'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 St. Stephens.
Total Sites
1,058
within ~10 miles of St. Stephens
Risk Level
Elevated
Highest-severity
9 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of St. Stephens
Severity Distribution
within ~10 miles of St. Stephens
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around St. Stephens, two things run higher than the national average within ~10 miles of St. Stephens — Toxics Release Inventory (121 sites) and Underground Storage Tanks (653 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in St. Stephens
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 St. Stephens average
Your land is one point inside St. Stephens
Everything above resolves to St. Stephens as a whole — one PHZM band and one 28°F frost record, read across 6K 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 St. Stephens Average
St. Stephens Average
- ●USDA Zones 8a, averaged across St. Stephens
- ●One soil character for all of St. Stephens
- ●Frost dates read at St. Stephens's scale: Mar 18 to Nov 13
YOUR Parcel
- ✓Your exact zone, not St. Stephens's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in St. Stephens
Pull a site-specific report for your exact address in St. Stephens, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that St. Stephens averages can't show:
We read public map data around St. Stephens — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the St. Stephens average
How we know this about St. Stephens
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 St. Stephens’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 St. Stephens
When does frost risk typically end in St. Stephens?
The last hard freeze (28°F) in St. Stephens typically lands around Mar 18, 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 8.
When is the first frost in St. Stephens?
The first hard freeze (28°F) in St. Stephens typically arrives around Nov 13, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 30, so the watching starts about Oct 14 — about 240 days after the spring freeze cleared.
How long is the growing season in St. Stephens?
Measured between 28°F hard freezes, St. Stephens sees about 240 frost-free days — roughly Mar 18 through Nov 13, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 8 to Oct 30, about 205 days.
Is the soil safe to grow vegetables in St. Stephens?
The federal record around St. Stephens is a meaningful one — 1,058 documented sites, mostly Underground Storage Tanks entries (653), the nearest Underground Storage Tanks record about 0.3 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 St. Stephens?
From about Oct 14 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 13 (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 13. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at St. Stephens's scale — its 8a band and its 240-day season. Your yard writes its own version of St. Stephens'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 St. Stephens’s own scale
7 of the readings below were taken at St. Stephens's own scale — its own ~240-day season between 28°F freezes, the 5,807 acres it covers and 1,058 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- St. Stephens's own USDA hardiness band, zones 8aUSDA PHZM 2023
- St. Stephens's own 28°F hard-freeze dates, about Mar 18 and Nov 13 and the ~240-day span between themNOAA 1991–2020 Climate Normals
- 1,058 documented contamination sites on the federal record near St. Stephens, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- St. Stephens's boundary and the 5,807 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~240-day seasonGrowable Ground crop-matching engine
- The ecoregion at St. Stephens's own centroid, the PiedmontUS EPA Level III Ecoregions
- Lanternfly survey cells around St. Stephens 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 St. Stephens's 5,807 acres read through its county's SSURGO summaryfrom Catawba County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Catawba 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 Catawba County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among St. Stephens's 5,807 acreswhy one lot differs from the next →
- Which side of St. Stephens you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 5,807 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.3 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 St. Stephens-wide figureread your own land →
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