Fair Oaks, California, sits in USDA hardiness zone 9b — a zone band wide enough that plant choice, not possibility, is the interesting question.
A short list that earns its place here — okra, meyer lemon, california poppy, and artichoke — with any one site's soil, sun, and drainage making the final cut.
Even in Fair Oaks, 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 Fair Oaks 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 Fair Oaks — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Fair Oaks — the short answer
Fair Oaks, California: USDA zone 9b, about 324 days between hard freezes, across 7K acres of town.
- USDA zone
- 9b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 22
- Sacramento County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 12
- Sacramento County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~324
- Sacramento County normal — NOAA 1991–2020, nearest to this town
- Town area
- 7K 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 Sacramento County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9b is Fair Oaks's average, not your lot's — a low corner or a tree line moves it. Against Fair Oaks's 324-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Fair Oaks
Each reading below is measured for Fair Oaks itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsFair Oaks runs about 324 days between hard freezes (read from Sacramento County, the closest normal to Fair Oaks) — 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
MeasuredFair Oaks 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 Fair Oaks is in
Fair Oaks sits in the Central California Valley — EPA Level III, inside the wider Mediterranean California. That is read at Fair Oaks's own centroid rather than borrowed from Sacramento County.
What Grows in Fair Oaks
Every plant below cleared Fair Oaks's own zone 9b and its 324-day season. Each card opens that plant's California profile. How we score.
Is it too late to plant in Fair Oaks?
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 22 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 12 — long-season crops need about 90 days of runway, quick greens only 30. With almost year-round growing weather, timing is about heat and rainfall more than frost — some bench is always in play.
What's on the federal record near Fair Oaks
Closest first, within ~10 miles of Fair Oaks. Listing isn't leaking, and distance isn't exposure.
- SUN OAKS DENTALBrownfields · 0.7 mi
- S-GILL CORP DBA JOE'S MARKETBrownfields · 0.7 mi
- JOE'S MARKETUnderground Storage Tanks · 0.7 mi
- BARRY PALMABrownfields · 0.7 mi
- ORCHARD DENTAL GROUPBrownfields · 0.8 mi
- ESKATON CARE CENTER FAIR OAKSBrownfields · 0.8 mi
- TOLEDO FREIGHT SYSTEMSBrownfields · 0.8 mi
- AEROJET ROCKETDYNE, INC.Brownfields · 0.9 mi
- STACY SMITHBrownfields · 0.9 mi
- FAIR OAKS AUTO REPAIRBrownfields · 1.0 mi
- SJUSD - BELLA VISTA HIGH SCHOOLBrownfields · 1.0 mi
- FAIR OAKS RECREATION & PARK /MAINT FACBrownfields · 1.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Fair Oaks'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 Fair Oaks.
Sources Checked
within ~10 miles of Fair Oaks
Severity Distribution
within ~10 miles of Fair Oaks
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Fair Oaks, Brownfields runs higher than the national average — 3,334 sites within ~10 miles of Fair Oaks. That's not a problem with your land — it's information about 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 Fair Oaks
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 Fair Oaks average
Your land is one point inside Fair Oaks
Everything above resolves to Fair Oaks as a whole — one PHZM band, read across 7K acres, with hard-freeze dates borrowed from Sacramento 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 Fair Oaks Average
Fair Oaks Average
- ●USDA Zones 9b, averaged across Fair Oaks
- ●One soil character for all of Fair Oaks
- ●Frost dates read at Fair Oaks's scale: Jan 22 to Dec 12
YOUR Parcel
- ✓Your exact zone, not Fair Oaks's 9b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Fair Oaks
Pull a site-specific report for your exact address in Fair Oaks, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Fair Oaks averages can't show:
We read public map data around Fair Oaks — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Fair Oaks average
How we know this about Fair Oaks
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 Sacramento 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 Fair Oaks
When does frost risk typically end in Fair Oaks?
The last hard freeze (28°F) in Fair Oaks typically lands around Jan 22, 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 12.
When is the first frost in Fair Oaks?
The first hard freeze (28°F) in Fair Oaks typically arrives around Dec 12, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 28, so the watching starts about Nov 12 — about 324 days after the spring freeze cleared.
How long is the growing season in Fair Oaks?
Measured between 28°F hard freezes, Fair Oaks sees about 324 frost-free days — roughly Jan 22 through Dec 12, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 12 to Nov 28, about 289 days.
Is the soil safe to grow vegetables in Fair Oaks?
The federal record around Fair Oaks runs heavier than most — 3,753 documented sites, mostly Brownfields entries (3,334), the nearest Brownfields record about 0.7 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 Fair Oaks?
From about Nov 12 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 12 (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 12. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Fair Oaks's scale — its 9b band and its 324-day season. Your yard writes its own version of Fair Oaks'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 Fair Oaks’s own scale
5 of the readings below were taken at Fair Oaks's own scale — the 6,961 acres it covers and 3,753 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Fair Oaks's own USDA hardiness band, zones 9bUSDA PHZM 2023
- 3,753 documented contamination sites on the federal record near Fair Oaks, the closest Brownfields record about 0.7 miles out from the town centreFederal environmental registers
- Fair Oaks's boundary and the 6,961 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9b and a ~324-day seasonGrowable Ground crop-matching engine
- The ecoregion at Fair Oaks's own centroid, the Central California ValleyUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Fair Oaks has no normal of its own, so its county's is the closest measured readfrom Sacramento County
- Soil character — no town-scale survey exists, so Fair Oaks's 6,961 acres read through its county's SSURGO summaryfrom Sacramento County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Sacramento 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 Sacramento County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Fair Oaks's 6,961 acreswhy one lot differs from the next →
- Which side of Fair Oaks you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 6,961 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.7 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 Fair Oaks-wide figureread your own land →