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 zoomNot 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.
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 ServiceLoading 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
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
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).
Feb 52026
Jan 28
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.
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
Average high and low, by month
Precipitation by month inches
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.
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).