Planting zone for 95567 — Smith River, CA
ZIP code 95567 (Smith River, Del Norte County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F.
Where ZIP 95567 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 Smith River, 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
A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station Brookings 2 Se, OR — 9 miles away, elevation 49 ft) the median growing season is 334 days. When frost does come, it is a midwinter night or two; cover tender plants when a freeze is forecast.
Frost data: NOAA NCEI U.S. Climate Normals 1991–2020.
When spring arrived in 2026
In 2026, spring leaf-out near 95567 came on Jan 27 — 9 days earlier than the 1991–2020 average (Feb 5).
Feb 52026
Jan 27
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 Smith River, CA
The soil mapped at the center of ZIP 95567 is Sisterrocks — gravelly loam, well drained.
Map unit: Sisterrocks-Sasquatch-Footstep complex, 50 to 75 percent.
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 95567; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Smith River, CA
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Brookings 2 Se, OR (9 mi away); precipitation: Smith River 1.1 Sse, CA (3 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
3 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 95567
What planting zone is ZIP code 95567?
ZIP code 95567 (Smith River, 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).
How much rain and snow does 95567 get?
About 78.4 inches of precipitation a year (NOAA 1991–2020 normals, Smith River 1.1 Sse station).
How hot do summers get in Smith River, CA?
The average high peaks at 69 °F in July, with about 3 days a year at 90 °F or more.
What kind of soil does 95567 have?
The USDA soil survey maps Sisterrocks at the center of ZIP 95567: gravelly loam, well drained, pH about 4.9 (strongly acidic).
Did spring come early in Smith River, CA in 2026?
Spring leaf-out near 95567 came on Jan 27 in 2026, 9 days earlier than the 1991–2020 average (Feb 5), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Smith River, CA?
Long-day onions: the longest day near 95567 is 15 h 14 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).