Blowing Rock, North Carolina, sits in USDA hardiness zone 6b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
The conditions favor cabbage, blackberry, california poppy, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Blowing Rock, 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 Blowing Rock 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 Blowing Rock — soil, climate, flood, and parcel records. How we handle your address.
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Blowing Rock — the short answer
Blowing Rock, North Carolina: USDA zone 6b, about 194 days between hard freezes, across 2K acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 25
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~194
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 2K 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 6b is Blowing Rock's average, not your lot's — a low corner or a tree line moves it. Against Blowing Rock's 194-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Blowing Rock
Each reading below is measured for Blowing Rock itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredBlowing Rock runs about 194 days between hard freezes — a moderate growing season.
There is room for the full run of cool-season crops plus a warm-season main crop, but the calendar is tight enough that a late spring or early fall frost still decides how much finishes.
Time warm-season transplants to your last hard freeze, and a few weeks of season extension turns a near-miss harvest into a sure one.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredBlowing Rock sits in USDA hardiness zone 6b.
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 Blowing Rock is in
Blowing Rock sits in the Blue Ridge — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Blowing Rock's own centroid rather than borrowed from Watauga County.
What Grows in Blowing Rock
Every plant below cleared Blowing Rock's own zone 6b and its 194-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in Blowing Rock?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 17; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 14 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 25 — long-season crops need about 90 days of runway, quick greens only 30. Late in the year the fall bench takes over — quick greens, radishes, and garlic that repays you next summer.
Documented around Blowing Rock
Survey cells within 31 miles of Blowing Rock checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 40 miles off. What to watch for.
What's on the federal record near Blowing Rock
Closest first, within ~10 miles of Blowing Rock. Listing isn't leaking, and distance isn't exposure.
- BLOWING ROCK COUNTRY CLUB MAINTUnderground Storage Tanks · 1300 ft
- SCOTCHMAN 103Underground Storage Tanks · 2000 ft
- BLOWING ROCK B.P.Underground Storage Tanks · 2100 ft
- LENTZ RENTALSUnderground Storage Tanks · 0.6 mi
- APPALACHIAN SKI MOUNTAIN, INC.Underground Storage Tanks · 0.6 mi
- LULA NEWTONUnderground Storage Tanks · 0.6 mi
- BELLSOUTH-GLC 22691Underground Storage Tanks · 0.7 mi
- BLOWING ROCK MARKETUnderground Storage Tanks · 0.7 mi
- SPEEDWAY #7920Underground Storage Tanks · 0.9 mi
- CHRISTMAS CREATIONSUnderground Storage Tanks · 1.0 mi
- BLOWING ROCK, TOWN OFPFAS · 1.6 mi
- J & M GENERAL STOREUnderground Storage Tanks · 2.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Blowing Rock'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 Blowing Rock.
Total Sites
166
within ~10 miles of Blowing Rock
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Blowing Rock
Severity Distribution
within ~10 miles of Blowing Rock
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Blowing Rock, Underground Storage Tanks runs higher than the national average — 125 sites within ~10 miles of Blowing Rock. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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 Blowing Rock
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 Blowing Rock average
Your land is one point inside Blowing Rock
Everything above resolves to Blowing Rock as a whole — one PHZM band and one 28°F frost record, read across 2K 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 Blowing Rock Average
Blowing Rock Average
- ●USDA Zones 6b, averaged across Blowing Rock
- ●One soil character for all of Blowing Rock
- ●Frost dates read at Blowing Rock's scale: Apr 14 to Oct 25
YOUR Parcel
- ✓Your exact zone, not Blowing Rock's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Blowing Rock
Pull a site-specific report for your exact address in Blowing Rock, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Blowing Rock averages can't show:
We read public map data around Blowing Rock — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Blowing Rock average
How we know this about Blowing Rock
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 Blowing Rock’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 Blowing Rock
When does frost risk typically end in Blowing Rock?
The last hard freeze (28°F) in Blowing Rock typically lands around Apr 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 May 5.
When is the first frost in Blowing Rock?
The first hard freeze (28°F) in Blowing Rock typically arrives around Oct 25, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 11, so the watching starts about Sep 25 — about 194 days after the spring freeze cleared.
How long is the growing season in Blowing Rock?
Measured between 28°F hard freezes, Blowing Rock sees about 194 frost-free days — roughly Apr 14 through Oct 25, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 5 to Oct 11, about 159 days.
Is the soil safe to grow vegetables in Blowing Rock?
The federal record around Blowing Rock is a meaningful one — 166 documented sites, mostly Underground Storage Tanks entries (125), 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 Blowing Rock?
From about Sep 25 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 Oct 25 (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 Oct 25. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Blowing Rock's scale — its 6b band and its 194-day season. Your yard writes its own version of Blowing Rock'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 Blowing Rock’s own scale
7 of the readings below were taken at Blowing Rock's own scale — its own ~194-day season between 28°F freezes, the 2,075 acres it covers and 166 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Blowing Rock's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Blowing Rock's own 28°F hard-freeze dates, about Apr 14 and Oct 25 and the ~194-day span between themNOAA 1991–2020 Climate Normals
- 166 documented contamination sites on the federal record near Blowing Rock, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Blowing Rock's boundary and the 2,075 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~194-day seasonGrowable Ground crop-matching engine
- The ecoregion at Blowing Rock's own centroid, the Blue RidgeUS EPA Level III Ecoregions
- Lanternfly survey cells around Blowing Rock 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 Blowing Rock's 2,075 acres read through its county's SSURGO summaryfrom Watauga County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Watauga 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 Watauga County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Blowing Rock's 2,075 acreswhy one lot differs from the next →
- Which side of Blowing Rock you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,075 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 Blowing Rock-wide figureread your own land →