Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 97112 — Cloverdale, OR

ZIP code 97112 (Cloverdale, Tillamook County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is March 17 and the first fall frost November 22.

Where ZIP 97112 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.

Zone9a20 to 25 °F

Coldest night−6.7 to −3.9 °C

Last frostMar 17

First frostNov 22

2012 zone8b

Was 8b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Cloverdale, OR…

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 Cloverdale, OR

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMarch 17median — 50% chance of a later frost

Safe for tender plantsApril 15only 10% chance of frost after

First fall frostNovember 22median — 10% chance by Oct 26

Growing season251 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 25 and returns around December 13.

From the NOAA station Cloverdale, OR — 5 miles away, elevation 13 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 97112

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 3 – Feb 17

SpinachSow outdoors · Feb 3 – Feb 24

Broccoli, cabbageStart indoors · Jan 6 – Jan 20

Broccoli, cabbageTransplant · Feb 24 – Mar 10

Onion setsPlant outdoors · Feb 17 – Mar 3

PotatoesPlant outdoors · Feb 24 – Mar 10

LettuceSow outdoors · Feb 17 – Mar 3

Carrots, beetsSow outdoors · Feb 24 – Mar 10

TomatoesStart indoors · Jan 20 – Feb 3

TomatoesTransplant · Mar 24 – Apr 7

Peppers, eggplantStart indoors · Jan 6 – Jan 20

Peppers, eggplantTransplant · Mar 31 – Apr 14

BeansSow outdoors · Mar 24 – Apr 7

Sweet cornSow outdoors · Mar 24 – Apr 7

Cucumbers, squashSow outdoors · Mar 24 – Apr 7

Fall lettuce, spinachSow outdoors · Sep 27 – Oct 11

GarlicPlant cloves · Nov 8 – Dec 13

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 17) and first fall frost (Nov 22) 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 97112 came on Feb 2 — 12 days earlier than the 1991–2020 average (Feb 14).

average
Feb 142026
Feb 2

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).

Native plants for zone 9a in Oregon

666 plants native to the lower 48 states, recorded in Oregon, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. Each links to its USDA PLANTS profile.

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Cloverdale, OR.

Soil in Cloverdale, OR

The soil mapped at the center of ZIP 97112 is Klootchie — slightly decomposed plant material, well drained.

TextureSlightly decomposed plant materialtop layer

pH4.5strongly acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter75%high

Hydrologic groupBwater soaks in moderately

Farmland classNot prime farmlandUSDA classification

Map unit: Klootchie-Necanicum complex, 30 to 60 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 97112; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Cloverdale, OR

Summer high70 °Faverage high, August

Winter low40 °Faverage low, January

Hot days1days a year at 90 °F or more

Freezing nights17nights a year at 32 °F or less

Growing degree days1,590base 50 °F — the season’s usable heat

Longest day15 h 39 mindaylight on June 21

Shortest day8 h 44 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation79.7 inper year, rain and melted snow

Snowfall1 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Cloverdale, OR (5 mi away); precipitation: Cloverdale, OR (5 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.

971359b

Pacific City, OR · 7 mi

Oceanside, OR · 14 mi

973478b

Grand Ronde, OR · 17 mi

973689a

Otis, OR · 17 mi

Oregon planting zones →

Questions about 97112

What planting zone is ZIP code 97112?

ZIP code 97112 (Cloverdale, OR) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).

When is the last frost in Cloverdale, OR?

The median last spring frost (32 °F) near 97112 is March 17; after April 15 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Cloverdale station.

When is the first frost in Cloverdale, OR?

The median first fall frost near 97112 is November 22, giving a median frost-free growing season of 251 days.

When should I plant tomatoes in 97112?

Start tomato seeds indoors around Jan 20 – Feb 3 and set transplants outside around Mar 24 – Apr 7, one to three weeks after the median last frost.

How much rain and snow does 97112 get?

About 79.7 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals, Cloverdale station).

How hot do summers get in Cloverdale, OR?

The average high peaks at 70 °F in August, with about 1 days a year at 90 °F or more.

What kind of soil does 97112 have?

The USDA soil survey maps Klootchie at the center of ZIP 97112: slightly decomposed plant material, well drained, pH about 4.5 (strongly acidic).

Did spring come early in Cloverdale, OR in 2026?

Spring leaf-out near 97112 came on Feb 2 in 2026, 12 days earlier than the 1991–2020 average (Feb 14), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Cloverdale, OR?

Long-day onions: the longest day near 97112 is 15 h 39 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 97112 change?

Yes. The 2012 USDA map put 97112 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.