Ridgecrest, California, sits in USDA hardiness zone 8b — a zone band wide enough that plant choice, not possibility, is the interesting question.
Well-matched crops include cabbage, fig, california poppy, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Ridgecrest, 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 Ridgecrest 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 Ridgecrest — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Ridgecrest — the short answer
Ridgecrest, California: USDA zone 8b, about 280 days between hard freezes, across 13K acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 16
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~280
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 13K 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 Ridgecrest's average, not your lot's — a low corner or a tree line moves it. Against Ridgecrest's 280-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Ridgecrest
Each reading below is measured for Ridgecrest itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredRidgecrest runs about 280 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
MeasuredRidgecrest 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 Ridgecrest is in
Ridgecrest sits in the Mojave Basin and Range — EPA Level III, inside the wider North American Deserts. That is read at Ridgecrest's own centroid, and it is not what its county reads: Kern County is mostly Central California Valley. The wider page above you is answering a different question about different ground.
What Grows in Ridgecrest
Every plant below cleared Ridgecrest's own zone 8b and its 280-day season. Each card opens that plant's California profile. How we score.
Is it too late to plant in Ridgecrest?
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 19; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 16 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 23 — 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 Ridgecrest
Closest first, within ~10 miles of Ridgecrest. Listing isn't leaking, and distance isn't exposure.
- BURROUGHS HIGH SCHOOLBrownfields · 850 ft
- DESERT SPORT CENTERBrownfields · 1800 ft
- BUD EYRE CHEVROLET BUICKBrownfields · 1800 ft
- PG&E RIDGECREST SERVICE CENTERBrownfields · 1800 ft
- 026S040E34N001MNitrate · 1900 ft
- CHEVRON STATION 9 0107Brownfields · 1900 ft
- HOME DEPOTBrownfields · 1900 ft
- THE BARN RIDGECREST IIUnderground Storage Tanks · 2000 ft
- CHINA LAKE MARTBrownfields · 2300 ft
- EAST RIDGE MARKETBrownfields · 2300 ft
- MARSHALLS 1238Brownfields · 2300 ft
- China Lake MartUnderground Storage Tanks · 2400 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Ridgecrest'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 Ridgecrest.
Total Sites
538
within ~10 miles of Ridgecrest
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Ridgecrest
Severity Distribution
within ~10 miles of Ridgecrest
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Ridgecrest, Nitrate runs higher than the national average — 372 sites within ~10 miles of Ridgecrest. 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.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Ridgecrest
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 Ridgecrest average
Your land is one point inside Ridgecrest
Everything above resolves to Ridgecrest as a whole — one PHZM band and one 28°F frost record, read across 13K 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 Ridgecrest Average
Ridgecrest Average
- ●USDA Zones 8b, averaged across Ridgecrest
- ●One soil character for all of Ridgecrest
- ●Frost dates read at Ridgecrest's scale: Feb 16 to Nov 23
YOUR Parcel
- ✓Your exact zone, not Ridgecrest's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Ridgecrest
Pull a site-specific report for your exact address in Ridgecrest, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Ridgecrest averages can't show:
We read public map data around Ridgecrest — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Ridgecrest average
How we know this about Ridgecrest
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 Ridgecrest’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 Ridgecrest
When does frost risk typically end in Ridgecrest?
The last hard freeze (28°F) in Ridgecrest typically lands around Feb 16, 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 9.
When is the first frost in Ridgecrest?
The first hard freeze (28°F) in Ridgecrest typically arrives around Nov 23, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 9, so the watching starts about Oct 24 — about 280 days after the spring freeze cleared.
How long is the growing season in Ridgecrest?
Measured between 28°F hard freezes, Ridgecrest sees about 280 frost-free days — roughly Feb 16 through Nov 23, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 9 to Nov 9, about 245 days.
Is the soil safe to grow vegetables in Ridgecrest?
The federal record around Ridgecrest is a meaningful one — 538 documented sites, mostly Nitrate entries (372), the nearest Brownfields record about 0.2 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 Ridgecrest?
From about Oct 24 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 23 (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 23. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Ridgecrest's scale — its 8b band and its 280-day season. Your yard writes its own version of Ridgecrest'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 Ridgecrest’s own scale
6 of the readings below were taken at Ridgecrest's own scale — its own ~280-day season between 28°F freezes, the 13,351 acres it covers and 538 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Ridgecrest's own USDA hardiness band, zones 8bUSDA PHZM 2023
- Ridgecrest's own 28°F hard-freeze dates, about Feb 16 and Nov 23 and the ~280-day span between themNOAA 1991–2020 Climate Normals
- 538 documented contamination sites on the federal record near Ridgecrest, the closest Brownfields record about 0.2 miles out from the town centreFederal environmental registers
- Ridgecrest's boundary and the 13,351 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~280-day seasonGrowable Ground crop-matching engine
- Ridgecrest sits in the Mojave Basin and Range — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Ridgecrest's 13,351 acres read through its county's SSURGO summaryfrom Kern County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Kern 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 Kern County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Ridgecrest's 13,351 acreswhy one lot differs from the next →
- Which side of Ridgecrest you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 13,351 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.2 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 Ridgecrest-wide figureread your own land →