Big Creek, California, sits in USDA hardiness zone 8a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Reliable performers under these conditions include cabbage, fig, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Big Creek, 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 Big Creek 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 Big Creek — soil, climate, flood, and parcel records. How we handle your address.
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Big Creek — the short answer
Big Creek, California: USDA zone 8a, about 183 days between hard freezes, across 294 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 1
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~183
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 294 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 Big Creek's average, not your lot's — a low corner or a tree line moves it. Against Big Creek's 183-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Big Creek
Each reading below is measured for Big Creek itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredBig Creek runs about 183 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
MeasuredBig Creek 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 Big Creek is in
Big Creek sits in the Sierra Nevada — EPA Level III, inside the wider Northwestern Forested Mountains. That is read at Big Creek's own centroid, and it is not what its county reads: Fresno County is mostly Central California Valley. The wider page above you is answering a different question about different ground.
What Grows in Big Creek
Every plant below cleared Big Creek's own zone 8a and its 183-day season. Each card opens that plant's California profile. How we score.






























Is it too late to plant in Big Creek?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Apr 4; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 2 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 1 — long-season crops need about 90 days of runway, quick greens only 30. As the window narrows, the plantings just get faster — fall brassicas, then greens, then garlic to finish.
What's on the federal record near Big Creek
Closest first, within ~10 miles of Big Creek. Listing isn't leaking, and distance isn't exposure.
- BIG CREEK PESTICIDE BLDGSuperfund · 200 ft
- BIG CREEK REGIONAL WAREHOUSEBrownfields · 400 ft
- SOUTHERN CALIFORNIA BIG CREEK 1 POWERHOUSEBrownfields · 450 ft
- BIG CREEK SCHOOL DISTBrownfields · 550 ft
- AT&T MOBILITYBrownfields · 1600 ft
- SCE EASTWOOD POWER STABrownfields · 2.0 mi
- SIERRA MARINA, INC.Brownfields · 2.3 mi
- USDA USFS R05 LAKESHORE CABrownfields · 2.3 mi
- CHINA PEAK MOUNTAIN RESORT LLCBrownfields · 2.4 mi
- RAY SCHMALLBrownfields · 2.4 mi
- CALTRANS D6 MAINT HUNTINGTON LAKE MSBrownfields · 2.9 mi
- CALTRANS D6 MAINTENANCE SHAVER LAKE MSBrownfields · 3.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Big Creek'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 Big Creek.
Total Sites
35
within ~10 miles of Big Creek
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Big Creek
Severity Distribution
within ~10 miles of Big Creek
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Big Creek, Brownfields runs higher than the national average — 29 sites within ~10 miles of Big Creek. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Brownfields: Brownfield sites are former commercial or industrial properties where legacy soil contamination (heavy metals, PAHs, petroleum compounds) may persist.
Check EPA brownfield remediation status — many sites have completed cleanup with institutional controls.
Check your specific parcel in Big Creek
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 Big Creek average
Your land is one point inside Big Creek
Everything above resolves to Big Creek as a whole — one PHZM band and one 28°F frost record, read across 294 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 Big Creek Average
Big Creek Average
- ●USDA Zones 8a, averaged across Big Creek
- ●One soil character for all of Big Creek
- ●Frost dates read at Big Creek's scale: May 2 to Nov 1
YOUR Parcel
- ✓Your exact zone, not Big Creek's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Big Creek
Pull a site-specific report for your exact address in Big Creek, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Big Creek averages can't show:
We read public map data around Big Creek — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Big Creek average
How we know this about Big Creek
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 Big Creek’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 Big Creek
When does frost risk typically end in Big Creek?
The last hard freeze (28°F) in Big Creek typically lands around May 2, 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 23.
When is the first frost in Big Creek?
The first hard freeze (28°F) in Big Creek typically arrives around Nov 1, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 18, so the watching starts about Oct 2 — about 183 days after the spring freeze cleared.
How long is the growing season in Big Creek?
Measured between 28°F hard freezes, Big Creek sees about 183 frost-free days — roughly May 2 through Nov 1, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 23 to Oct 18, about 148 days.
Is the soil safe to grow vegetables in Big Creek?
The federal record around Big Creek is a meaningful one — 35 documented sites, mostly Brownfields entries (29), the nearest Superfund 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 Big Creek?
From about Oct 2 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 1 (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 1. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Big Creek's scale — its 8a band and its 183-day season. Your yard writes its own version of Big Creek'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 Big Creek’s own scale
6 of the readings below were taken at Big Creek's own scale — its own ~183-day season between 28°F freezes, the 294 acres it covers and 35 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Big Creek's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Big Creek's own 28°F hard-freeze dates, about May 2 and Nov 1 and the ~183-day span between themNOAA 1991–2020 Climate Normals
- 35 documented contamination sites on the federal record near Big Creek, the closest Superfund record under a tenth of a mile out from the town centreFederal environmental registers
- Big Creek's boundary and the 294 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~183-day seasonGrowable Ground crop-matching engine
- Big Creek sits in the Sierra Nevada — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Big Creek's 294 acres read through its county's SSURGO summaryfrom Fresno County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Fresno County
- The growing challenges every California grower plans around — written at state scale, so they stay on the state guidefrom California
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Fresno County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Big Creek's 294 acreswhy one lot differs from the next →
- Which side of Big Creek you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 294 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Superfund 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 Big Creek-wide figureread your own land →
