La Riviera, California, sits in USDA hardiness zone 9b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
On paper, okra, meyer lemon, california poppy, and artichoke all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in La Riviera, 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 La Riviera 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 La Riviera — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
La Riviera — the short answer
La Riviera, California: USDA zone 9b, about 324 days between hard freezes, across 1K 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
- 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 Sacramento County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9b is La Riviera's average, not your lot's — a low corner or a tree line moves it. Against La Riviera's 324-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in La Riviera
Each reading below is measured for La Riviera itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsLa Riviera runs about 324 days between hard freezes (read from Sacramento County, the closest normal to La Riviera) — 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
MeasuredLa Riviera 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 La Riviera is in
La Riviera sits in the Central California Valley — EPA Level III, inside the wider Mediterranean California. That is read at La Riviera's own centroid rather than borrowed from Sacramento County.
What Grows in La Riviera
Every plant below cleared La Riviera'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 La Riviera?
Almost never — the real question is what to plant next. 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. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.
What's on the federal record near La Riviera
Closest first, within ~10 miles of La Riviera. Listing isn't leaking, and distance isn't exposure.
- SABATINO CARNAZZOBrownfields · 1700 ft
- BIOMEDICAL ENGINEERING CENTERBrownfields · 2000 ft
- CORAM HEALTHCARE CORP OF NORTHERN CALIFORNIABrownfields · 2400 ft
- POINT REYES WELLBrownfields · 0.5 mi
- SHELL FACILITY #135842Underground Storage Tanks · 0.5 mi
- RANA FOLSOM LLCBrownfields · 0.5 mi
- SHELL SERVICE STATIONBrownfields · 0.5 mi
- PITT DES MOINES INC STROCALBrownfields · 0.5 mi
- FRANCHISE TAX BOARDBrownfields · 0.6 mi
- SJUSD - RIO AMERICANO HIGH SCHOOLBrownfields · 0.7 mi
- JAMES C LEE DDSBrownfields · 0.7 mi
- STACEY PETERS NELSON D D S APCBrownfields · 0.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from La Riviera'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 La Riviera.
Sources Checked
within ~10 miles of La Riviera
Severity Distribution
within ~10 miles of La Riviera
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around La Riviera, Brownfields runs higher than the national average — 4,937 sites within ~10 miles of La Riviera. 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 La Riviera
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 La Riviera average
Your land is one point inside La Riviera
Everything above resolves to La Riviera as a whole — one PHZM band, read across 1K 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 La Riviera Average
La Riviera Average
- ●USDA Zones 9b, averaged across La Riviera
- ●One soil character for all of La Riviera
- ●Frost dates read at La Riviera's scale: Jan 22 to Dec 12
YOUR Parcel
- ✓Your exact zone, not La Riviera's 9b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in La Riviera
Pull a site-specific report for your exact address in La Riviera, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that La Riviera averages can't show:
We read public map data around La Riviera — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the La Riviera average
How we know this about La Riviera
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 La Riviera
When does frost risk typically end in La Riviera?
The last hard freeze (28°F) in La Riviera 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 La Riviera?
The first hard freeze (28°F) in La Riviera 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 La Riviera?
Measured between 28°F hard freezes, La Riviera 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 La Riviera?
The federal record around La Riviera runs heavier than most — 5,551 documented sites, mostly Brownfields entries (4,937), 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 La Riviera?
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 La Riviera's scale — its 9b band and its 324-day season. Your yard writes its own version of La Riviera'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 La Riviera’s own scale
5 of the readings below were taken at La Riviera's own scale — the 1,216 acres it covers and 5,551 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- La Riviera's own USDA hardiness band, zones 9bUSDA PHZM 2023
- 5,551 documented contamination sites on the federal record near La Riviera, the closest Brownfields record about 0.3 miles out from the town centreFederal environmental registers
- La Riviera's boundary and the 1,216 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 La Riviera's own centroid, the Central California ValleyUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — La Riviera 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 La Riviera's 1,216 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 La Riviera's 1,216 acreswhy one lot differs from the next →
- Which side of La Riviera you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,216 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 La Riviera-wide figureread your own land →