Lucerne Valley, California, sits in USDA hardiness zone 8b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
On paper, cabbage, fig, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Lucerne Valley, 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 Lucerne Valley 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 Lucerne Valley — soil, climate, flood, and parcel records. How we handle your address.
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Lucerne Valley — the short answer
Lucerne Valley, California: USDA zone 8b, about 266 days between hard freezes, across 68K acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 24
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 17
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~266
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 68K 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 8b is Lucerne Valley's average, not your lot's — a low corner or a tree line moves it. Against Lucerne Valley's 266-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Lucerne Valley
Each reading below is measured for Lucerne Valley itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredLucerne Valley runs about 266 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
MeasuredLucerne Valley sits in USDA hardiness zone 8b.
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 Lucerne Valley is in
Lucerne Valley sits in the Mojave Basin and Range — EPA Level III, inside the wider North American Deserts. That is read at Lucerne Valley's own centroid rather than borrowed from San Bernardino County.
What Grows in Lucerne Valley
Every plant below cleared Lucerne Valley's own zone 8b and its 266-day season. Each card opens that plant's California profile. How we score.
Is it too late to plant in Lucerne Valley?
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 27; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 24 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 17 — 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 Lucerne Valley
Closest first, within ~10 miles of Lucerne Valley. Listing isn't leaking, and distance isn't exposure.
- 004N001E17L001SNitrate · 2500 ft
- 004N001E16N002SNitrate · 1.1 mi
- SAN BERNARDINO COUNTY DEHSBrownfields · 1.1 mi
- 004N001E05P002SNitrate · 1.2 mi
- 004N001E20E001SNitrate · 1.2 mi
- 004N001E09D004SNitrate · 1.3 mi
- TURNBULL TRANSMISSIONSBrownfields · 1.4 mi
- HI-GRADE MATERIALS COBrownfields · 1.5 mi
- 004N001E05J002SNitrate · 1.6 mi
- 004N001W12H002SNitrate · 1.7 mi
- MITSUBISHI CEMENT COBrownfields · 1.9 mi
- MITSUBISHI CEMENT COToxics Release Inventory · 1.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Lucerne Valley'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 Lucerne Valley.
Total Sites
161
within ~10 miles of Lucerne Valley
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Lucerne Valley
Severity Distribution
within ~10 miles of Lucerne Valley
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Lucerne Valley, two things run higher than the national average within ~10 miles of Lucerne Valley — Nitrate (126 sites) and Mining (9 sites). That's not a problem with your land — it's information about it.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.
Check your specific parcel in Lucerne Valley
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 Lucerne Valley average
Your land is one point inside Lucerne Valley
Everything above resolves to Lucerne Valley as a whole — one PHZM band and one 28°F frost record, read across 68K 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 Lucerne Valley Average
Lucerne Valley Average
- ●USDA Zones 8b, averaged across Lucerne Valley
- ●One soil character for all of Lucerne Valley
- ●Frost dates read at Lucerne Valley's scale: Feb 24 to Nov 17
YOUR Parcel
- ✓Your exact zone, not Lucerne Valley's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Lucerne Valley
Pull a site-specific report for your exact address in Lucerne Valley, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Lucerne Valley averages can't show:
We read public map data around Lucerne Valley — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Lucerne Valley average
How we know this about Lucerne Valley
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 Lucerne Valley’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 Lucerne Valley
When does frost risk typically end in Lucerne Valley?
The last hard freeze (28°F) in Lucerne Valley typically lands around Feb 24, 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 Mar 17.
When is the first frost in Lucerne Valley?
The first hard freeze (28°F) in Lucerne Valley typically arrives around Nov 17, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 3, so the watching starts about Oct 18 — about 266 days after the spring freeze cleared.
How long is the growing season in Lucerne Valley?
Measured between 28°F hard freezes, Lucerne Valley sees about 266 frost-free days — roughly Feb 24 through Nov 17, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 17 to Nov 3, about 231 days.
Is the soil safe to grow vegetables in Lucerne Valley?
The federal record around Lucerne Valley is a meaningful one — 161 documented sites, mostly Nitrate entries (126), the nearest Nitrate 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 Lucerne Valley?
From about Oct 18 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 Nov 17 (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 Nov 17. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Lucerne Valley's scale — its 8b band and its 266-day season. Your yard writes its own version of Lucerne Valley'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 Lucerne Valley’s own scale
6 of the readings below were taken at Lucerne Valley's own scale — its own ~266-day season between 28°F freezes, the 67,601 acres it covers and 161 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Lucerne Valley's own USDA hardiness band, zones 8bUSDA PHZM 2023
- Lucerne Valley's own 28°F hard-freeze dates, about Feb 24 and Nov 17 and the ~266-day span between themNOAA 1991–2020 Climate Normals
- 161 documented contamination sites on the federal record near Lucerne Valley, the closest Nitrate record about 0.5 miles out from the town centreFederal environmental registers
- Lucerne Valley's boundary and the 67,601 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~266-day seasonGrowable Ground crop-matching engine
- The ecoregion at Lucerne Valley's own centroid, the Mojave Basin and RangeUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Lucerne Valley's 67,601 acres read through its county's SSURGO summaryfrom San Bernardino County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom San Bernardino 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 San Bernardino County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Lucerne Valley's 67,601 acreswhy one lot differs from the next →
- Which side of Lucerne Valley you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 67,601 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate 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 Lucerne Valley-wide figureread your own land →