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

Planting zone for 97145 — Tolovana Park, OR

ZIP code 97145 (Tolovana Park, Clatsop County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is April 2 and the first fall frost November 12.

Where ZIP 97145 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 frostApr 2
First frostNov 12
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 Tolovana Park, 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 Tolovana Park, OR

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 2median — 50% chance of a later frost
Safe for tender plantsApril 29only 10% chance of frost after
First fall frostNovember 12median — 10% chance by Oct 18
Growing season223 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 27 and returns around December 4.

From the NOAA station Seaside, OR — 10 miles away, elevation 10 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 97145

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 19 – Mar 5
SpinachSow outdoors · Feb 19 – Mar 12
Broccoli, cabbageStart indoors · Jan 22 – Feb 5
Broccoli, cabbageTransplant · Mar 12 – Mar 26
Onion setsPlant outdoors · Mar 5 – Mar 19
PotatoesPlant outdoors · Mar 12 – Mar 26
LettuceSow outdoors · Mar 5 – Mar 19
Carrots, beetsSow outdoors · Mar 12 – Mar 26
TomatoesStart indoors · Feb 5 – Feb 19
TomatoesTransplant · Apr 9 – Apr 23
Peppers, eggplantStart indoors · Jan 22 – Feb 5
Peppers, eggplantTransplant · Apr 16 – Apr 30
BeansSow outdoors · Apr 9 – Apr 23
Sweet cornSow outdoors · Apr 9 – Apr 23
Cucumbers, squashSow outdoors · Apr 9 – Apr 23
Fall lettuce, spinachSow outdoors · Sep 17 – Oct 1
GarlicPlant cloves · Oct 29 – Dec 3
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 2) and first fall frost (Nov 12) 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 97145 came on Feb 3 — 6 days earlier than the 1991–2020 average (Feb 9).

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.

Trees 44

Alaska cedar75 ft · blooms mid spring · low shade tolerance · to −22 °Fbalsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °Fbigleaf maple60 ft · blooms mid spring · medium shade tolerance · to −14 °FBishop pine90 ft · blooms mid spring · low shade tolerance · to 17 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fboxelder60 ft · blooms early spring · low shade tolerance · to −46 °F

Shrubs 133

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °Falderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °Falpine laurel1 ft · blooms late spring · low shade tolerance · to −28 °Fantelope bitterbrush6 ft · blooms early spring · medium shade tolerance · to −36 °Fbeaked hazelnut15 ft · blooms early spring · low shade tolerance · to −47 °Fbig sagebrush4 ft · blooms mid summer · high shade tolerance · to −43 °F

Wildflowers & perennials 305

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican alpine speedwell1 ft · blooms summer · medium shade tolerance · to −28 °FAmerican bistort1.5 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °F

Grasses 169

Alaska brome5 ft · blooms late spring · low shade tolerance · to −18 °FAlaska oniongrass3 ft · blooms mid spring · low shade tolerance · to −33 °Falkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °Falpine timothy1.4 ft · blooms late spring · medium shade tolerance · to −43 °FAmerican beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °F

Vines 2

riverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Fwestern white clematis1 ft · blooms mid summer · medium shade tolerance · to −38 °F

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 Tolovana Park, OR.

Soil in Tolovana Park, OR

The soil mapped at the center of ZIP 97145 is Skipanon — 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: Skipanon gravelly medial silt loam, 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 97145; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Tolovana Park, OR

Summer high67 °Faverage high, September
Winter low38 °Faverage low, February
Hot days0days a year at 90 °F or more
Freezing nights29nights a year at 32 °F or less
Growing degree days1,402base 50 °F — the season’s usable heat
Longest day15 h 44 mindaylight on June 21
Shortest day8 h 39 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation121.3 inper year, rain and melted snow
Snowfall1 inper year

Average high and low, by month

30°40°50°60°70°80°32 °FJanuary: average high 52 °F, low 39 °F 52°39° JanFebruary: average high 53 °F, low 38 °F 53°38° FebMarch: average high 54 °F, low 40 °F 54°40° MarApril: average high 56 °F, low 42 °F 56°42° AprMay: average high 60 °F, low 46 °F 60°46° MayJune: average high 62 °F, low 50 °F 62°50° JunJuly: average high 65 °F, low 53 °F 65°53° JulAugust: average high 66 °F, low 54 °F 66°54° AugSeptember: average high 67 °F, low 50 °F 67°50° SepOctober: average high 62 °F, low 46 °F 62°46° OctNovember: average high 55 °F, low 42 °F 55°42° NovDecember: average high 51 °F, low 39 °F 51°39° Dec

Precipitation by month inches · ❄ = snowfall

0″2″4″6″8″10″12″14″16″18″20″January: 18.69 in precipitation, 0.6 in snowfall 18.7❄1 JanFebruary: 12.30 in precipitation, 0.6 in snowfall 12.3❄1 FebMarch: 13.79 in precipitation 13.8 MarApril: 9.74 in precipitation 9.7 AprMay: 5.08 in precipitation 5.1 MayJune: 3.87 in precipitation 3.9 JunJuly: 1.22 in precipitation 1.2 JulAugust: 1.71 in precipitation 1.7 AugSeptember: 4.55 in precipitation 4.5 SepOctober: 11.58 in precipitation 11.6 OctNovember: 19.20 in precipitation 19.2 NovDecember: 19.61 in precipitation, 0.2 in snowfall 19.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Seaside, OR (10 mi away); precipitation: Nehalem 9 Ne, OR (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

971109a
Cannon Beach, OR · 3 mi
971029a
Arch Cape, OR · 4 mi
971309a
Manzanita, OR · 9 mi
971318b
Nehalem, OR · 11 mi
971479a
Wheeler, OR · 11 mi
971388b
Seaside, OR · 12 mi
971369a
Rockaway Beach, OR · 15 mi
971469a
Warrenton, OR · 20 mi

Oregon planting zones →

Questions about 97145

What planting zone is ZIP code 97145?

ZIP code 97145 (Tolovana Park, 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 Tolovana Park, OR?

The median last spring frost (32 °F) near 97145 is April 2; after April 29 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Seaside station.

When is the first frost in Tolovana Park, OR?

The median first fall frost near 97145 is November 12, giving a median frost-free growing season of 223 days.

When should I plant tomatoes in 97145?

Start tomato seeds indoors around Feb 5 – Feb 19 and set transplants outside around Apr 9 – Apr 23, one to three weeks after the median last frost.

How much rain and snow does 97145 get?

About 121.3 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals, Nehalem 9 Ne station).

How hot do summers get in Tolovana Park, OR?

The average high peaks at 67 °F in September, with about 0 days a year at 90 °F or more.

What kind of soil does 97145 have?

The USDA soil survey maps Skipanon at the center of ZIP 97145: slightly decomposed plant material, well drained, pH about 4.5 (strongly acidic).

Did spring come early in Tolovana Park, OR in 2026?

Spring leaf-out near 97145 came on Feb 3 in 2026, 6 days earlier than the 1991–2020 average (Feb 9), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Tolovana Park, OR?

Long-day onions: the longest day near 97145 is 15 h 44 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 97145 change?

Yes. The 2012 USDA map put 97145 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.