West Park, California, sits in USDA hardiness zone 9b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Growers here do well with okra, meyer lemon, california poppy, and artichoke — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in West Park, 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 West Park 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 West Park — soil, climate, flood, and parcel records. How we handle your address.
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West Park — the short answer
West Park, California: USDA zone 9b, about 329 days between hard freezes, across 1K acres of town.
- USDA zone
- 9b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 16
- Fresno County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 11
- Fresno County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~329
- Fresno County normal — NOAA 1991–2020, nearest to this town
- Town area
- 1K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are Fresno County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9b is West Park's average, not your lot's — a low corner or a tree line moves it. Against West Park's 329-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in West Park
Each reading below is measured for West Park itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsWest Park runs about 329 days between hard freezes (read from Fresno County, the closest normal to West Park) — close to year-round growing.
Frost is rarely the limit here; winter plantings are as real as summer ones, and the harder question is which crops shrug off the summer heat.
Grow cool-season crops through the mild winter, and choose heat-tolerant varieties for the summer beds.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredWest Park sits in USDA hardiness zone 9b.
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 West Park is in
West Park sits in the Central California Valley — EPA Level III, inside the wider Mediterranean California. That is read at West Park's own centroid rather than borrowed from Fresno County.
What Grows in West Park
Every plant below cleared West Park's own zone 9b and its 329-day season. Each card opens that plant's California profile. How we score.
Is it too late to plant in West Park?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Jan 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Jan 16 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 11 — long-season crops need about 90 days of runway, quick greens only 30. Here the calendar nearly circles: cool-season crops take the winter shift, and the next window is always close.
What's on the federal record near West Park
Closest first, within ~10 miles of West Park. Listing isn't leaking, and distance isn't exposure.
- VALLEY WELL & PUMPBrownfields · 1500 ft
- MCCARTY AND SONS TRUCKINGBrownfields · 0.7 mi
- FRESNO STOCK FARM, INCBrownfields · 0.7 mi
- SOUZA FARMING CO LLCBrownfields · 0.8 mi
- J & L IRRIGATION COMPANY INCBrownfields · 0.9 mi
- VETERANS HOME OF CALIFORNIA, FRESNOBrownfields · 1.2 mi
- 014S020E19A001MNitrate · 1.4 mi
- FRESNO MUNICIPAL SANITARY LANDFILLSuperfund · 1.4 mi
- GARDEN'S WEST AUTO DISMANTLINGBrownfields · 1.4 mi
- B-ROC SPREADERS INCBrownfields · 1.4 mi
- JAMIES AUTO DISMANTLING INCBrownfields · 1.4 mi
- BUSSETO FOODS INCBrownfields · 1.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from West Park'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 West Park.
Sources Checked
within ~10 miles of West Park
Severity Distribution
within ~10 miles of West Park
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around West Park, Brownfields runs higher than the national average — 2,470 sites within ~10 miles of West Park. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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 West Park
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 West Park average
Your land is one point inside West Park
Everything above resolves to West Park as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Fresno County’s record because no 30-year normal resolves at this town’s own centroid. 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 West Park Average
West Park Average
- ●USDA Zones 9b, averaged across West Park
- ●One soil character for all of West Park
- ●Frost dates read at West Park's scale: Jan 16 to Dec 11
YOUR Parcel
- ✓Your exact zone, not West Park's 9b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in West Park
Pull a site-specific report for your exact address in West Park, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that West Park averages can't show:
We read public map data around West Park — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the West Park average
How we know this about West Park
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 Fresno County’s record, because none resolves here; 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 West Park
When does frost risk typically end in West Park?
The last hard freeze (28°F) in West Park typically lands around Jan 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 Feb 6.
When is the first frost in West Park?
The first hard freeze (28°F) in West Park typically arrives around Dec 11, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 27, so the watching starts about Nov 11 — about 329 days after the spring freeze cleared.
How long is the growing season in West Park?
Measured between 28°F hard freezes, West Park sees about 329 frost-free days — roughly Jan 16 through Dec 11, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 6 to Nov 27, about 294 days.
Is the soil safe to grow vegetables in West Park?
The federal record around West Park runs heavier than most — 2,895 documented sites, mostly Brownfields entries (2,470), the nearest Brownfields record about 0.3 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in West Park?
From about Nov 11 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 Dec 11 (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 Dec 11. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at West Park's scale — its 9b band and its 329-day season. Your yard writes its own version of West Park'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 West Park’s own scale
5 of the readings below were taken at West Park's own scale — the 1,147 acres it covers and 2,895 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- West Park's own USDA hardiness band, zones 9bUSDA PHZM 2023
- 2,895 documented contamination sites on the federal record near West Park, the closest Brownfields record about 0.3 miles out from the town centreFederal environmental registers
- West Park's boundary and the 1,147 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9b and a ~329-day seasonGrowable Ground crop-matching engine
- The ecoregion at West Park's own centroid, the Central California ValleyUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — West Park has no normal of its own, so its county's is the closest measured readfrom Fresno County
- Soil character — no town-scale survey exists, so West Park's 1,147 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 West Park's 1,147 acreswhy one lot differs from the next →
- Which side of West Park you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,147 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 West Park-wide figureread your own land →