Montecito, California, sits in USDA hardiness zone 10b — a zone band wide enough that plant choice, not possibility, is the interesting question.
Well-matched crops include artichoke, meyer lemon, california poppy, and cabbage, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Montecito, 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 Montecito 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 Montecito — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Montecito — the short answer
Montecito, California: USDA zone 10b, no 28°F killing freeze on record — the season is year-round, across 6K acres of town.
- USDA zone
- 10b
- USDA PHZM 2023
- Killing freeze
- None on record
- NOAA RCC ACIS 1991–2020, this town’s own record
- Town area
- 6K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. The year-round finding is measured — a 30-year record with no 28°F killing freeze in it — never inferred from missing dates.
Hardiness Zone Range
Zone 10b is Montecito's average, not your lot's — a low corner or a tree line moves it. Against Montecito's no killing freeze on record, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Montecito
Each reading below is measured for Montecito itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Winter hardiness
MeasuredMontecito sits in USDA hardiness zone 10b.
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 Montecito is in
Montecito sits in the Southern California/Northern Baja Coast — EPA Level III, inside the wider Mediterranean California. That is read at Montecito's own centroid, and it is not what its county reads: Santa Barbara County is mostly Central California Foothills and Coastal Mountains. The wider page above you is answering a different question about different ground.
What Grows in Montecito
Every plant below cleared Montecito's own zone 10b. Each card opens that plant's California profile. How we score.
What's on the federal record near Montecito
Closest first, within ~10 miles of Montecito. Listing isn't leaking, and distance isn't exposure.
- 004N026W20D003SNitrate · 300 ft
- 004N026W20D002SNitrate · 350 ft
- 004N026W20C001SNitrate · 350 ft
- 004N026W20C002SNitrate · 400 ft
- 004N026W20D004SNitrate · 700 ft
- ALL SAINTS BY THE SEA EPISCOPAL CHURCHBrownfields · 1200 ft
- K. CLENETBrownfields · 1700 ft
- 004N026W20B002SNitrate · 2300 ft
- CVS PHARMACY #9333Brownfields · 2600 ft
- 004N026W17Q001SNitrate · 2600 ft
- FOUR SEASONS BILTMORE - DICEBrownfields · 0.5 mi
- SANTA BARBARA BILTMOREBrownfields · 0.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Montecito'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 Montecito.
Total Sites
1,216
within ~10 miles of Montecito
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Montecito
Severity Distribution
within ~10 miles of Montecito
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Montecito, two things run higher than the national average within ~10 miles of Montecito — Brownfields (763 sites) and Nitrate (372 sites). 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.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Check EPA brownfield remediation status — many sites have completed cleanup with institutional controls.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Montecito
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 Montecito average
Your land is one point inside Montecito
Everything above resolves to Montecito as a whole — one PHZM band and one 28°F frost record, read across 6K 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 Montecito Average
Montecito Average
- ●USDA Zones 10b, averaged across Montecito
- ●One soil character for all of Montecito
- ●State-average frost dates
YOUR Parcel
- ✓Your exact zone, not Montecito's 10b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Montecito
Pull a site-specific report for your exact address in Montecito, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Montecito averages can't show:
We read public map data around Montecito — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Montecito average
How we know this about Montecito
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, with the labelled statewide window where none resolves; 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 Montecito
Is it too late to plant in Montecito?
No — Montecito has no 28°F killing freeze in the 30-year station record, so the growing season is year-round and there is no last-frost date to wait for. Planting is paced by rainfall, heat and daylength instead of by frost: start heat-lovers any month, and time cool-season crops (lettuce, brassicas, peas) for the cooler, wetter half of the year or for higher ground. Succession sowing every few weeks works all year, so the limit is what you can keep watered and harvested, not the calendar.
When does frost risk typically end in Montecito?
It doesn't — Montecito records no 28°F killing freeze at all across the 1991–2020 station record, so there is no spring frost date to plant after. Cold still matters with elevation: the higher you garden, the cooler the nights, and a few tropical crops sulk below about 60°F even where they never freeze.
How long is the growing season in Montecito?
Year-round — the 1991–2020 station record for Montecito contains no 28°F killing freeze, so there is no season to measure between freezes. What paces planting instead is heat, rainfall and daylength: the hottest, wettest stretch is the hard part for cool-season crops, not winter. Elevation is the one real exception — the higher you garden, the colder the nights get.
Is the soil safe to grow vegetables in Montecito?
The federal record around Montecito is a meaningful one — 1,216 documented sites, mostly Brownfields entries (763), the nearest Nitrate 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.
Everything above is measured at Montecito's scale — its 10b band and its no killing freeze on record. Your yard writes its own version of Montecito'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 Montecito’s own scale
6 of the readings below were taken at Montecito's own scale — the 5,877 acres it covers and 1,216 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Montecito's own USDA hardiness band, zones 10bUSDA PHZM 2023
- No 28°F killing freeze in the 30-year station record covering Montecito — a year-round growing seasonNOAA Regional Climate Centers ACIS, 1991-2020
- 1,216 documented contamination sites on the federal record near Montecito, the closest Nitrate record under a tenth of a mile out from the town centreFederal environmental registers
- Montecito's boundary and the 5,877 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear Montecito's hardiness zoneGrowable Ground crop-matching engine
- Montecito 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 Montecito's 5,877 acres read through its county's SSURGO summaryfrom Santa Barbara County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Santa Barbara 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 Santa Barbara County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Montecito's 5,877 acreswhy one lot differs from the next →
- Which side of Montecito you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 5,877 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate 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 Montecito-wide figureread your own land →