Meiners Oaks, California, sits in USDA hardiness zone 9b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
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 Meiners 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 Meiners 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 Meiners Oaks — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Meiners Oaks — the short answer
Meiners Oaks, California: USDA zone 9b, about 317 days between hard freezes, across 2K acres of town.
- USDA zone
- 9b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Dec 16
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~317
- 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 9b is Meiners Oaks's average, not your lot's — a low corner or a tree line moves it. Against Meiners Oaks's 317-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Meiners Oaks
Each reading below is measured for Meiners Oaks itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredMeiners Oaks runs about 317 days between hard freezes — 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
MeasuredMeiners 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 Meiners Oaks is in
Meiners Oaks sits in the Southern California/Northern Baja Coast — EPA Level III, inside the wider Mediterranean California. That is read at Meiners Oaks's own centroid, and it is not what its county reads: Ventura County is mostly Southern California Mountains. The wider page above you is answering a different question about different ground.
What Grows in Meiners Oaks
Every plant below cleared Meiners Oaks's own zone 9b and its 317-day season. Each card opens that plant's California profile. How we score.
Is it too late to plant in Meiners Oaks?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Jan 5; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 2 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 16 — 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 Meiners Oaks
Closest first, within ~10 miles of Meiners Oaks. Listing isn't leaking, and distance isn't exposure.
- VENTURA CO OF OJAI MARICOPA YRDBrownfields · 2600 ft
- COUNTY OF VENTURA PUBLIC WORKS AGCYBrownfields · 0.6 mi
- MEINERS OAKS HARDWAREBrownfields · 0.6 mi
- A & I MINI MART AND GASUnderground Storage Tanks · 0.6 mi
- RONDA HOLDENBrownfields · 0.6 mi
- ROBERT A. SKANKEY AND ALICE EVELYN SKANKEY 1977 FAMILY TRUST BBrownfields · 0.6 mi
- RAELYNNE REINBrownfields · 0.7 mi
- OJAI VALLEY COMMUNITY HOSPITALBrownfields · 0.8 mi
- MOSLER & CO/MOSLER ROCK OJAI QUARRYBrownfields · 0.8 mi
- ROLANDS SMOG CHECKBrownfields · 0.8 mi
- MEINERS OAKS AUTO REPAIRBrownfields · 0.8 mi
- VENTURA COUNTY SOLID WASTE DIV.Brownfields · 0.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Meiners 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 Meiners Oaks.
Total Sites
184
within ~10 miles of Meiners Oaks
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Meiners Oaks
Severity Distribution
within ~10 miles of Meiners Oaks
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Meiners Oaks, Brownfields runs higher than the national average — 156 sites within ~10 miles of Meiners Oaks. 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 Meiners 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 Meiners Oaks average
Your land is one point inside Meiners Oaks
Everything above resolves to Meiners Oaks 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 Meiners Oaks Average
Meiners Oaks Average
- ●USDA Zones 9b, averaged across Meiners Oaks
- ●One soil character for all of Meiners Oaks
- ●Frost dates read at Meiners Oaks's scale: Feb 2 to Dec 16
YOUR Parcel
- ✓Your exact zone, not Meiners Oaks's 9b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Meiners Oaks
Pull a site-specific report for your exact address in Meiners Oaks, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Meiners Oaks averages can't show:
We read public map data around Meiners Oaks — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Meiners Oaks average
How we know this about Meiners 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 Meiners Oaks’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 Meiners Oaks
When does frost risk typically end in Meiners Oaks?
The last hard freeze (28°F) in Meiners Oaks typically lands around Feb 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 Feb 23.
When is the first frost in Meiners Oaks?
The first hard freeze (28°F) in Meiners Oaks typically arrives around Dec 16, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Dec 2, so the watching starts about Nov 16 — about 317 days after the spring freeze cleared.
How long is the growing season in Meiners Oaks?
Measured between 28°F hard freezes, Meiners Oaks sees about 317 frost-free days — roughly Feb 2 through Dec 16, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 23 to Dec 2, about 282 days.
Is the soil safe to grow vegetables in Meiners Oaks?
The federal record around Meiners Oaks is a meaningful one — 184 documented sites, mostly Brownfields entries (156), the nearest Brownfields record about 0.5 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 Meiners Oaks?
From about Nov 16 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 16 (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 16. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Meiners Oaks's scale — its 9b band and its 317-day season. Your yard writes its own version of Meiners 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 Meiners Oaks’s own scale
6 of the readings below were taken at Meiners Oaks's own scale — its own ~317-day season between 28°F freezes, the 1,560 acres it covers and 184 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Meiners Oaks's own USDA hardiness band, zones 9bUSDA PHZM 2023
- Meiners Oaks's own 28°F hard-freeze dates, about Feb 2 and Dec 16 and the ~317-day span between themNOAA 1991–2020 Climate Normals
- 184 documented contamination sites on the federal record near Meiners Oaks, the closest Brownfields record about 0.5 miles out from the town centreFederal environmental registers
- Meiners Oaks's boundary and the 1,560 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9b and a ~317-day seasonGrowable Ground crop-matching engine
- Meiners Oaks sits in the Southern California/Northern Baja Coast — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Meiners Oaks's 1,560 acres read through its county's SSURGO summaryfrom Ventura County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Ventura 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 Ventura County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Meiners Oaks's 1,560 acreswhy one lot differs from the next →
- Which side of Meiners 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 1,560 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.5 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 Meiners Oaks-wide figureread your own land →