Solvang, California, sits in USDA hardiness zone 9a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
A short list that earns its place here — artichoke, fig, california poppy, and cabbage — with any one site's soil, sun, and drainage making the final cut.
Even in Solvang, 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 Solvang 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 Solvang — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Solvang — the short answer
Solvang, California: USDA zone 9a, about 316 days between hard freezes, across 2K acres of city.
- USDA zone
- 9a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 29
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Dec 11
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~316
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City 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 9a is Solvang's average, not your lot's — a low corner or a tree line moves it. Against Solvang's 316-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Solvang
Each reading below is measured for Solvang itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSolvang runs about 316 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
MeasuredSolvang sits in USDA hardiness zone 9a.
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 Solvang is in
Solvang sits in the Central California Foothills and Coastal Mountains — EPA Level III, inside the wider Mediterranean California. That is read at Solvang's own centroid rather than borrowed from Santa Barbara County.
What Grows in Solvang
Every plant below cleared Solvang's own zone 9a and its 316-day season. Each card opens that plant's California profile. How we score.
Is it too late to plant in Solvang?
For most of the year, no — what changes is which crops still fit the days remaining. 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 29 (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. 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 Solvang
Closest first, within ~10 miles of Solvang. Listing isn't leaking, and distance isn't exposure.
- VENOCO, INC. - PLATFORM HOLLYBrownfields · 400 ft
- ESKO ESKOBrownfields · 550 ft
- LUNDES SOLVANG AUTO DBA SOLVANG AUTO REPAIRBrownfields · 1000 ft
- AOK POWER EQUIPMENT INCBrownfields · 1100 ft
- JOHN CAMPBELLBrownfields · 1200 ft
- W. AMES CONSTRUCTIONBrownfields · 1400 ft
- KENNETH C NASH D D S INCBrownfields · 1500 ft
- P. SNYDERBrownfields · 2300 ft
- SOLVANG LUTHERAN HOME DBA ATTERDAG VILLAGE OF SOLVANBrownfields · 2600 ft
- ALVIN HITTLEBrownfields · 0.5 mi
- RIVER COURSE AT ALISALBrownfields · 0.5 mi
- GTC TANK SITEBrownfields · 0.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Solvang'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 Solvang.
Total Sites
339
within ~10 miles of Solvang
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Solvang
Severity Distribution
within ~10 miles of Solvang
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Solvang, two things run higher than the national average within ~10 miles of Solvang — Nitrate (156 sites) and PFAS (4 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in Solvang
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 Solvang average
Your land is one point inside Solvang
Everything above resolves to Solvang 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 city 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 Solvang Average
Solvang Average
- ●USDA Zones 9a, averaged across Solvang
- ●One soil character for all of Solvang
- ●Frost dates read at Solvang's scale: Jan 29 to Dec 11
YOUR Parcel
- ✓Your exact zone, not Solvang's 9a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Solvang
Pull a site-specific report for your exact address in Solvang, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Solvang averages can't show:
We read public map data around Solvang — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Solvang average
How we know this about Solvang
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Solvang’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 city grain anywhere on this page — there is no city-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 Solvang
When does frost risk typically end in Solvang?
The last hard freeze (28°F) in Solvang typically lands around Jan 29, 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 19.
When is the first frost in Solvang?
The first hard freeze (28°F) in Solvang 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 316 days after the spring freeze cleared.
How long is the growing season in Solvang?
Measured between 28°F hard freezes, Solvang sees about 316 frost-free days — roughly Jan 29 through Dec 11, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 19 to Nov 27, about 281 days.
Is the soil safe to grow vegetables in Solvang?
The federal record around Solvang is a meaningful one — 339 documented sites, mostly Brownfields entries (161), the nearest Brownfields 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.
How do I protect my plants from frost in Solvang?
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 Solvang's scale — its 9a band and its 316-day season. Your yard writes its own version of Solvang'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 Solvang’s own scale
6 of the readings below were taken at Solvang's own scale — its own ~316-day season between 28°F freezes, the 1,552 acres it covers and 339 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Solvang's own USDA hardiness band, zones 9aUSDA PHZM 2023
- Solvang's own 28°F hard-freeze dates, about Jan 29 and Dec 11 and the ~316-day span between themNOAA 1991–2020 Climate Normals
- 339 documented contamination sites on the federal record near Solvang, the closest Brownfields record under a tenth of a mile out from the town centreFederal environmental registers
- Solvang's boundary and the 1,552 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9a and a ~316-day seasonGrowable Ground crop-matching engine
- The ecoregion at Solvang's own centroid, the Central California Foothills and Coastal MountainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Solvang's 1,552 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 Solvang's 1,552 acreswhy one lot differs from the next →
- Which side of Solvang you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,552 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 Solvang-wide figureread your own land →