Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 93225 — Frazier Park, CA

ZIP code 93225 (Frazier Park, Kern County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 15 and the first fall frost November 26.

Where ZIP 93225 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 15
First frostNov 26
2012 zone8a

Was 8a on the 2012 map — half a zone colder now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Frazier Park, CA…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Frazier Park, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 15median — 50% chance of a later frost
Safe for tender plantsMay 9only 10% chance of frost after
First fall frostNovember 26median — 10% chance by Nov 1
Growing season224 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 11 and returns around December 12.

From the NOAA station Sandberg, CA — 17 miles away, elevation 4,511 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 93225

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 4 – Mar 18
SpinachSow outdoors · Mar 4 – Mar 25
Broccoli, cabbageStart indoors · Feb 4 – Feb 18
Broccoli, cabbageTransplant · Mar 25 – Apr 8
Onion setsPlant outdoors · Mar 18 – Apr 1
PotatoesPlant outdoors · Mar 25 – Apr 8
LettuceSow outdoors · Mar 18 – Apr 1
Carrots, beetsSow outdoors · Mar 25 – Apr 8
TomatoesStart indoors · Feb 18 – Mar 4
TomatoesTransplant · Apr 22 – May 6
Peppers, eggplantStart indoors · Feb 4 – Feb 18
Peppers, eggplantTransplant · Apr 29 – May 13
BeansSow outdoors · Apr 22 – May 6
Sweet cornSow outdoors · Apr 22 – May 6
Cucumbers, squashSow outdoors · Apr 22 – May 6
Fall lettuce, spinachSow outdoors · Oct 1 – Oct 15
GarlicPlant cloves · Nov 12 – Dec 17
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 15) and first fall frost (Nov 26) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 93225 came on Feb 21 — 12 days earlier than the 1991–2020 average (Mar 5).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Soil in Frazier Park, CA

The soil mapped at the center of ZIP 93225 is Kilburn family — very cobbly sandy loam, well drained.

TextureVery cobbly sandy loamdrains and warms fast; dries out and needs more feeding
pH6.0slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Kilburn-Wrentham-Supan families association, 10 to 30 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 93225; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Frazier Park, CA

Summer high88 °Faverage high, July
Winter low38 °Faverage low, February
Hot days33days a year at 90 °F or more
Freezing nights35nights a year at 32 °F or less
Growing degree days4,098base 50 °F — the season’s usable heat
Longest day14 h 30 mindaylight on June 21
Shortest day9 h 49 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation15.2 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 52 °F, low 39 °F 52°39° JanFebruary: average high 53 °F, low 38 °F 53°38° FebMarch: average high 57 °F, low 41 °F 57°41° MarApril: average high 62 °F, low 43 °F 62°43° AprMay: average high 70 °F, low 49 °F 70°49° MayJune: average high 80 °F, low 58 °F 80°58° JunJuly: average high 88 °F, low 65 °F 88°65° JulAugust: average high 88 °F, low 65 °F 88°65° AugSeptember: average high 83 °F, low 61 °F 83°61° SepOctober: average high 71 °F, low 53 °F 71°53° OctNovember: average high 60 °F, low 44 °F 60°44° NovDecember: average high 52 °F, low 38 °F 52°38° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.18 in precipitation 3.2 JanFebruary: 4.02 in precipitation 4.0 FebMarch: 2.26 in precipitation 2.3 MarApril: 0.93 in precipitation 0.9 AprMay: 0.44 in precipitation 0.4 MayJune: 0.15 in precipitation 0.1 JunJuly: 0.13 in precipitation 0.1 JulAugust: 0.03 in precipitation 0.0 AugSeptember: 0.23 in precipitation 0.2 SepOctober: 0.67 in precipitation 0.7 OctNovember: 0.88 in precipitation 0.9 NovDecember: 2.30 in precipitation 2.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sandberg, CA (17 mi away); precipitation: Frazier Park 10.7 Wsw, CA (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

8 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

932438b
Lebec, CA · 13 mi
930408b
Piru, CA · 13 mi
932228b
Pine Mountain Club, CA · 13 mi
932528b
Maricopa, CA · 19 mi
930238b
Ojai, CA · 23 mi
932039b
Arvin, CA · 25 mi
933139b
Bakersfield, CA · 26 mi
933119b
Bakersfield, CA · 27 mi

California planting zones →

Questions about 93225

What planting zone is ZIP code 93225?

ZIP code 93225 (Frazier Park, CA) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in Frazier Park, CA?

The median last spring frost (32 °F) near 93225 is April 15; after May 9 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Sandberg station.

When is the first frost in Frazier Park, CA?

The median first fall frost near 93225 is November 26, giving a median frost-free growing season of 224 days.

When should I plant tomatoes in 93225?

Start tomato seeds indoors around Feb 18 – Mar 4 and set transplants outside around Apr 22 – May 6, one to three weeks after the median last frost.

How much rain and snow does 93225 get?

About 15.2 inches of precipitation a year (NOAA 1991–2020 normals, Frazier Park 10.7 Wsw station).

How hot do summers get in Frazier Park, CA?

The average high peaks at 88 °F in July, with about 33 days a year at 90 °F or more.

What kind of soil does 93225 have?

The USDA soil survey maps Kilburn family at the center of ZIP 93225: very cobbly sandy loam, well drained, pH about 6.0 (slightly acidic).

Did spring come early in Frazier Park, CA in 2026?

Spring leaf-out near 93225 came on Feb 21 in 2026, 12 days earlier than the 1991–2020 average (Mar 5), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Frazier Park, CA?

Intermediate onions: the longest day near 93225 is 14 h 30 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 93225 change?

Yes. The 2012 USDA map put 93225 in zone 8a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.