Dortches, North Carolina, sits in USDA hardiness zone 8a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Crops well matched to these conditions include cabbage, fig, california poppy, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Dortches, 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 Dortches 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 Dortches — soil, climate, flood, and parcel records. How we handle your address.
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Dortches — the short answer
Dortches, North Carolina: USDA zone 8a, about 251 days between hard freezes, across 5K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 16
- 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
- ~251
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 5K 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 Dortches's average, not your lot's — a low corner or a tree line moves it. Against Dortches's 251-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Dortches
Each reading below is measured for Dortches itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredDortches runs about 251 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
MeasuredDortches 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 Dortches is in
Dortches sits in the Southeastern Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Dortches's own centroid rather than borrowed from Nash County.
What Grows in Dortches
Every plant below cleared Dortches's own zone 8a and its 251-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in Dortches?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 16; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 16 (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. 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 Dortches
Survey cells within 31 miles of Dortches checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 42 miles off. What to watch for.
What's on the federal record near Dortches
Closest first, within ~10 miles of Dortches. Listing isn't leaking, and distance isn't exposure.
- NEW DIXIE MART 229Underground Storage Tanks · 1100 ft
- CIRCLE K 2723079Underground Storage Tanks · 1200 ft
- NA-048 J GRIFFINNitrate · 1300 ft
- DORTCHES BPUnderground Storage Tanks · 0.5 mi
- EASTERN TOOL INC (FORMERLY)Underground Storage Tanks · 1.2 mi
- WELLS GENERAL MERCHANDISEUnderground Storage Tanks · 1.6 mi
- L & L FOOD STORES 8Underground Storage Tanks · 2.2 mi
- PEN-CELL PLASTICS INCToxics Release Inventory · 2.2 mi
- DRIVER'S GROCERYUnderground Storage Tanks · 2.2 mi
- DAVENPORT MOTOR CO INCBrownfields · 2.3 mi
- LEE OIL CO., INC.Underground Storage Tanks · 2.3 mi
- NASH GENERAL HOSPITALUnderground Storage Tanks · 2.4 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Dortches'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 Dortches.
Total Sites
677
within ~10 miles of Dortches
Risk Level
Elevated
Highest-severity
3 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Dortches
Severity Distribution
within ~10 miles of Dortches
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Dortches, Underground Storage Tanks runs higher than the national average — 527 sites within ~10 miles of Dortches. That's not a problem with your land — it's information about 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 Dortches
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 Dortches average
Your land is one point inside Dortches
Everything above resolves to Dortches as a whole — one PHZM band and one 28°F frost record, read across 5K 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 Dortches Average
Dortches Average
- ●USDA Zones 8a, averaged across Dortches
- ●One soil character for all of Dortches
- ●Frost dates read at Dortches's scale: Mar 16 to Nov 22
YOUR Parcel
- ✓Your exact zone, not Dortches's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Dortches
Pull a site-specific report for your exact address in Dortches, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Dortches averages can't show:
We read public map data around Dortches — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Dortches average
How we know this about Dortches
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 Dortches’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 Dortches
When does frost risk typically end in Dortches?
The last hard freeze (28°F) in Dortches typically lands around Mar 16, 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 6.
When is the first frost in Dortches?
The first hard freeze (28°F) in Dortches 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 251 days after the spring freeze cleared.
How long is the growing season in Dortches?
Measured between 28°F hard freezes, Dortches sees about 251 frost-free days — roughly Mar 16 through Nov 22, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 6 to Nov 8, about 216 days.
Is the soil safe to grow vegetables in Dortches?
The federal record around Dortches is a meaningful one — 677 documented sites, mostly Underground Storage Tanks entries (527), the nearest Underground Storage Tanks record about 0.2 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 Dortches?
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 Dortches's scale — its 8a band and its 251-day season. Your yard writes its own version of Dortches'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 Dortches’s own scale
7 of the readings below were taken at Dortches's own scale — its own ~251-day season between 28°F freezes, the 5,077 acres it covers and 677 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Dortches's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Dortches's own 28°F hard-freeze dates, about Mar 16 and Nov 22 and the ~251-day span between themNOAA 1991–2020 Climate Normals
- 677 documented contamination sites on the federal record near Dortches, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Dortches's boundary and the 5,077 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~251-day seasonGrowable Ground crop-matching engine
- The ecoregion at Dortches's own centroid, the Southeastern PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Dortches 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 Dortches's 5,077 acres read through its county's SSURGO summaryfrom Nash County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Nash 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 Nash County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Dortches's 5,077 acreswhy one lot differs from the next →
- Which side of Dortches you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 5,077 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 Dortches-wide figureread your own land →