Richburg, South Carolina, sits in USDA hardiness zone 8a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
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 Richburg, 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 Richburg 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 Richburg — soil, climate, flood, and parcel records. How we handle your address.
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Richburg — the short answer
Richburg, South Carolina: USDA zone 8a, about 247 days between hard freezes, across 561 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 18
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~247
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 561 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 Richburg's average, not your lot's — a low corner or a tree line moves it. Against Richburg's 247-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Richburg
Each reading below is measured for Richburg itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredRichburg runs about 247 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
MeasuredRichburg 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 Richburg is in
Richburg sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Richburg's own centroid rather than borrowed from Chester County.
What Grows in Richburg
Every plant below cleared Richburg's own zone 8a and its 247-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in Richburg?
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 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 18 — 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 Richburg
Survey cells within 31 miles of Richburg checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 55 miles off. What to watch for.
What's on the federal record near Richburg
Closest first, within ~10 miles of Richburg. Listing isn't leaking, and distance isn't exposure.
- FORMER STOREUnderground Storage Tanks · 500 ft
- REID BROTHERS GROCERYUnderground Storage Tanks · 1300 ft
- GITI TIRE MANUFACTURING CO USA LTDBrownfields · 2300 ft
- DAWKINS - GITI TIRE PORTABLE CONCRETE PLANTToxics Release Inventory · 2300 ft
- THYSSEN STEEL GROUPUnderground Storage Tanks · 0.7 mi
- OUTOKUMPU STAINLESSToxics Release Inventory · 0.7 mi
- ONE ACCORD MINISTRIESUnderground Storage Tanks · 0.7 mi
- PORTER WARNERBrownfields · 0.8 mi
- ELDECO PIPE AND FABRICATION LLCToxics Release Inventory · 0.9 mi
- LCI LINEBERGER CONSTRUCTION INCORPORATEDBrownfields · 0.9 mi
- DIVERSIFIED RECYCLING INCBrownfields · 1.0 mi
- UNITED NATURAL FOODS INCBrownfields · 1.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Richburg'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 Richburg.
Sources Checked
within ~10 miles of Richburg
Severity Distribution
within ~10 miles of Richburg
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Richburg, Toxics Release Inventory runs higher than the national average — 29 sites within ~10 miles of Richburg. 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.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Richburg
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 Richburg average
Your land is one point inside Richburg
Everything above resolves to Richburg as a whole — one PHZM band and one 28°F frost record, read across 561 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 Richburg Average
Richburg Average
- ●USDA Zones 8a, averaged across Richburg
- ●One soil character for all of Richburg
- ●Frost dates read at Richburg's scale: Mar 16 to Nov 18
YOUR Parcel
- ✓Your exact zone, not Richburg's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Richburg
Pull a site-specific report for your exact address in Richburg, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Richburg averages can't show:
We read public map data around Richburg — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Richburg average
How we know this about Richburg
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 Richburg’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 Richburg
When does frost risk typically end in Richburg?
The last hard freeze (28°F) in Richburg 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 Richburg?
The first hard freeze (28°F) in Richburg typically arrives around Nov 18, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 4, so the watching starts about Oct 19 — about 247 days after the spring freeze cleared.
How long is the growing season in Richburg?
Measured between 28°F hard freezes, Richburg sees about 247 frost-free days — roughly Mar 16 through Nov 18, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 6 to Nov 4, about 212 days.
Is the soil safe to grow vegetables in Richburg?
The federal record around Richburg is a meaningful one — 150 documented sites, mostly Underground Storage Tanks entries (78), the nearest Underground Storage Tanks 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 Richburg?
From about Oct 19 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 18 (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 18. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Richburg's scale — its 8a band and its 247-day season. Your yard writes its own version of Richburg'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 Richburg’s own scale
7 of the readings below were taken at Richburg's own scale — its own ~247-day season between 28°F freezes, the 561 acres it covers and 150 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Richburg's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Richburg's own 28°F hard-freeze dates, about Mar 16 and Nov 18 and the ~247-day span between themNOAA 1991–2020 Climate Normals
- 150 documented contamination sites on the federal record near Richburg, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Richburg's boundary and the 561 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~247-day seasonGrowable Ground crop-matching engine
- The ecoregion at Richburg's own centroid, the PiedmontUS EPA Level III Ecoregions
- Lanternfly survey cells around Richburg 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 Richburg's 561 acres read through its county's SSURGO summaryfrom Chester County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Chester County
- The growing challenges every South Carolina grower plans around — written at state scale, so they stay on the state guidefrom South Carolina
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Chester County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Richburg's 561 acreswhy one lot differs from the next →
- Which side of Richburg you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 561 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Richburg-wide figureread your own land →
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