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

Planting zone for 95555 — Orick, CA

ZIP code 95555 (Orick, Humboldt County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is April 12 and the first fall frost November 6.

Where ZIP 95555 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.

Zone9b25 to 30 °F
Coldest night−3.9 to −1.1 °C
Last frostApr 12
First frostNov 6
2012 zone9b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 9b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Orick, 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 Orick, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 12median — 50% chance of a later frost
Safe for tender plantsMay 5only 10% chance of frost after
First fall frostNovember 6median — 10% chance by Oct 15
Growing season209 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 27 and returns around December 9.

From the NOAA station Orick Prairie Creek Park, CA — 4 miles away, elevation 161 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 95555

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 1 – Mar 15
SpinachSow outdoors · Mar 1 – Mar 22
Broccoli, cabbageStart indoors · Feb 1 – Feb 15
Broccoli, cabbageTransplant · Mar 22 – Apr 5
Onion setsPlant outdoors · Mar 15 – Mar 29
PotatoesPlant outdoors · Mar 22 – Apr 5
LettuceSow outdoors · Mar 15 – Mar 29
Carrots, beetsSow outdoors · Mar 22 – Apr 5
TomatoesStart indoors · Feb 15 – Mar 1
TomatoesTransplant · Apr 19 – May 3
Peppers, eggplantStart indoors · Feb 1 – Feb 15
Peppers, eggplantTransplant · Apr 26 – May 10
BeansSow outdoors · Apr 19 – May 3
Sweet cornSow outdoors · Apr 19 – May 3
Cucumbers, squashSow outdoors · Apr 19 – May 3
Fall lettuce, spinachSow outdoors · Sep 11 – Sep 25
GarlicPlant cloves · Oct 23 – Nov 27
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 12) and first fall frost (Nov 6) 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 95555 came on Jan 28 — 8 days earlier than the 1991–2020 average (Feb 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 Orick, CA

The soil mapped at the center of ZIP 95555 is Coppercreek — slightly decomposed plant material, well drained.

TextureSlightly decomposed plant materialtop layer
pH6.0slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter75%high
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Coppercreek-Ahpah-Lackscreek complex, 15 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 95555; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Orick, CA

Summer high69 °Faverage high, August
Winter low36 °Faverage low, January
Hot days0days a year at 90 °F or more
Freezing nights44nights a year at 32 °F or less
Growing degree days1,215base 50 °F — the season’s usable heat
Longest day15 h 10 mindaylight on June 21
Shortest day9 h 11 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation58 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°32 °FJanuary: average high 52 °F, low 36 °F 52°36° JanFebruary: average high 54 °F, low 37 °F 54°37° FebMarch: average high 56 °F, low 37 °F 56°37° MarApril: average high 58 °F, low 39 °F 58°39° AprMay: average high 61 °F, low 43 °F 61°43° MayJune: average high 65 °F, low 46 °F 65°46° JunJuly: average high 67 °F, low 49 °F 67°49° JulAugust: average high 69 °F, low 49 °F 69°49° AugSeptember: average high 69 °F, low 45 °F 69°45° SepOctober: average high 65 °F, low 42 °F 65°42° OctNovember: average high 56 °F, low 39 °F 56°39° NovDecember: average high 51 °F, low 36 °F 51°36° Dec

Precipitation by month inches

0″2″4″6″8″10″January: 9.48 in precipitation 9.5 JanFebruary: 8.09 in precipitation 8.1 FebMarch: 8.02 in precipitation 8.0 MarApril: 4.83 in precipitation 4.8 AprMay: 2.50 in precipitation 2.5 MayJune: 1.08 in precipitation 1.1 JunJuly: 0.39 in precipitation 0.4 JulAugust: 0.25 in precipitation 0.3 AugSeptember: 1.72 in precipitation 1.7 SepOctober: 3.41 in precipitation 3.4 OctNovember: 7.26 in precipitation 7.3 NovDecember: 10.95 in precipitation 10.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Orick Prairie Creek Park, CA (4 mi away); precipitation: Trinidad 1.0 Ene, CA (18 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

California planting zones →

Questions about 95555

What planting zone is ZIP code 95555?

ZIP code 95555 (Orick, CA) is in USDA hardiness zone 9b on the 2023 map: the coldest night of an average winter reaches 25 to 30 °F (−3.9 to −1.1 °C).

When is the last frost in Orick, CA?

The median last spring frost (32 °F) near 95555 is April 12; after May 5 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Orick Prairie Creek Park station.

When is the first frost in Orick, CA?

The median first fall frost near 95555 is November 6, giving a median frost-free growing season of 209 days.

When should I plant tomatoes in 95555?

Start tomato seeds indoors around Feb 15 – Mar 1 and set transplants outside around Apr 19 – May 3, one to three weeks after the median last frost.

How much rain and snow does 95555 get?

About 58 inches of precipitation a year (NOAA 1991–2020 normals, Trinidad 1.0 Ene station).

How hot do summers get in Orick, CA?

The average high peaks at 69 °F in August, with about 0 days a year at 90 °F or more.

What kind of soil does 95555 have?

The USDA soil survey maps Coppercreek at the center of ZIP 95555: slightly decomposed plant material, well drained, pH about 6.0 (slightly acidic).

Did spring come early in Orick, CA in 2026?

Spring leaf-out near 95555 came on Jan 28 in 2026, 8 days earlier than the 1991–2020 average (Feb 5), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Orick, CA?

Long-day onions: the longest day near 95555 is 15 h 10 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).