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

Planting zone for 98259 — North Lakewood, WA

ZIP code 98259 (North Lakewood, Snohomish County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is April 22 and the first fall frost October 19.

Where ZIP 98259 is

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.

Zone8a10 to 15 °F
Coldest night−12.2 to −9.4 °C
Last frostApr 22
First frostOct 19
2012 zone8b

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

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for North Lakewood, WA…

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 North Lakewood, WA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 22median — 50% chance of a later frost
Safe for tender plantsMay 6only 10% chance of frost after
First fall frostOctober 19median — 10% chance by Oct 3
Growing season181 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 25 and returns around November 3.

From the NOAA station Arlington, WA — 5 miles away, elevation 102 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 98259

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 11 – Mar 25
SpinachSow outdoors · Mar 11 – Apr 1
Broccoli, cabbageStart indoors · Feb 11 – Feb 25
Broccoli, cabbageTransplant · Apr 1 – Apr 15
Onion setsPlant outdoors · Mar 25 – Apr 8
PotatoesPlant outdoors · Apr 1 – Apr 15
LettuceSow outdoors · Mar 25 – Apr 8
Carrots, beetsSow outdoors · Apr 1 – Apr 15
TomatoesStart indoors · Feb 25 – Mar 11
TomatoesTransplant · Apr 29 – May 13
Peppers, eggplantStart indoors · Feb 11 – Feb 25
Peppers, eggplantTransplant · May 6 – May 20
BeansSow outdoors · Apr 29 – May 13
Sweet cornSow outdoors · Apr 29 – May 13
Cucumbers, squashSow outdoors · Apr 29 – May 13
Fall lettuce, spinachSow outdoors · Aug 24 – Sep 7
GarlicPlant cloves · Oct 5 – Nov 9
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 22) and first fall frost (Oct 19) 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 98259 came on Feb 20 — 8 days earlier than the 1991–2020 average (Feb 28).

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 8a in Washington

611 plants native to the lower 48 states, recorded in Washington, and rated by the USDA to survive 10 °F or colder — the bottom of zone 8a. Each links to its USDA PLANTS profile.

Trees 31

Alaska cedar75 ft · blooms mid spring · low shade tolerance · to −22 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Fbalsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °Fbigleaf maple60 ft · blooms mid spring · medium shade tolerance · to −14 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fboxelder60 ft · blooms early spring · low shade tolerance · to −46 °F

Shrubs 113

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAllegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Falpine laurel1 ft · blooms late spring · low shade tolerance · to −28 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °Fantelope bitterbrush6 ft · blooms early spring · medium shade tolerance · to −36 °FBarclay's willow15 ft · high shade tolerance · to −43 °F

Wildflowers & perennials 292

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 157

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 3

riverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Ftrumpet creeper2 ft · blooms summer · high shade tolerance · to −13 °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 North Lakewood, WA.

Soil in North Lakewood, WA

The soil mapped at the center of ZIP 98259 is Kitsap — ashy silt loam, moderately well drained.

TextureAshy silt loama good balance for most vegetables
pH6.5neutral; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter6.5%high
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Kitsap silt loam, 0 to 8 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 98259; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in North Lakewood, WA

Summer high78 °Faverage high, August
Winter low28 °Faverage low, February
Hot days5days a year at 90 °F or more
Freezing nights94nights a year at 32 °F or less
Growing degree days1,458base 50 °F — the season’s usable heat
Longest day16 h 04 mindaylight on June 21
Shortest day8 h 21 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation49 inper year, rain and melted snow
Snowfall4 inper year; 3 days with snow on the ground

Average high and low, by month

20°30°40°50°60°70°80°90°32 °FJanuary: average high 47 °F, low 29 °F 47°29° JanFebruary: average high 51 °F, low 28 °F 51°28° FebMarch: average high 54 °F, low 32 °F 54°32° MarApril: average high 60 °F, low 35 °F 60°35° AprMay: average high 67 °F, low 41 °F 67°41° MayJune: average high 71 °F, low 45 °F 71°45° JunJuly: average high 77 °F, low 48 °F 77°48° JulAugust: average high 78 °F, low 47 °F 78°47° AugSeptember: average high 72 °F, low 42 °F 72°42° SepOctober: average high 61 °F, low 37 °F 61°37° OctNovember: average high 52 °F, low 31 °F 52°31° NovDecember: average high 46 °F, low 28 °F 46°28° Dec

Precipitation by month inches · ❄ = snowfall

0″2″4″6″8″January: 5.92 in precipitation, 0.8 in snowfall 5.9❄1 JanFebruary: 4.42 in precipitation, 0.7 in snowfall 4.4❄1 FebMarch: 5.00 in precipitation, 0.4 in snowfall 5.0 MarApril: 4.34 in precipitation 4.3 AprMay: 3.43 in precipitation 3.4 MayJune: 2.66 in precipitation 2.7 JunJuly: 1.15 in precipitation 1.1 JulAugust: 1.34 in precipitation 1.3 AugSeptember: 2.49 in precipitation 2.5 SepOctober: 4.94 in precipitation 4.9 OctNovember: 7.15 in precipitation, 0.2 in snowfall 7.2 NovDecember: 6.15 in precipitation, 2.2 in snowfall 6.2❄2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Arlington, WA (5 mi away); precipitation: Arlington, WA (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

982878b
Silvana, WA · 4 mi
982718b
Marysville, WA · 5 mi
982928b
Stanwood, WA · 7 mi
982708b
Marysville, WA · 7 mi
982588b
Lake Stevens, WA · 10 mi
982018b
Everett, WA · 11 mi
982078b
Everett, WA · 11 mi
982238b
Arlington, WA · 13 mi

Washington planting zones →

Questions about 98259

What planting zone is ZIP code 98259?

ZIP code 98259 (North Lakewood, WA) is in USDA hardiness zone 8a on the 2023 map: the coldest night of an average winter reaches 10 to 15 °F (−12.2 to −9.4 °C).

When is the last frost in North Lakewood, WA?

The median last spring frost (32 °F) near 98259 is April 22; after May 6 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Arlington station.

When is the first frost in North Lakewood, WA?

The median first fall frost near 98259 is October 19, giving a median frost-free growing season of 181 days.

When should I plant tomatoes in 98259?

Start tomato seeds indoors around Feb 25 – Mar 11 and set transplants outside around Apr 29 – May 13, one to three weeks after the median last frost.

How much rain and snow does 98259 get?

About 49 inches of precipitation a year and 4 inches of snowfall (NOAA 1991–2020 normals, Arlington station).

How hot do summers get in North Lakewood, WA?

The average high peaks at 78 °F in August, with about 5 days a year at 90 °F or more.

What kind of soil does 98259 have?

The USDA soil survey maps Kitsap at the center of ZIP 98259: ashy silt loam, moderately well drained, pH about 6.5 (neutral).

Did spring come early in North Lakewood, WA in 2026?

Spring leaf-out near 98259 came on Feb 20 in 2026, 8 days earlier than the 1991–2020 average (Feb 28), according to the USA National Phenology Network Spring Index.

What kind of onions grow in North Lakewood, WA?

Long-day onions: the longest day near 98259 is 16 h 04 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 98259 change?

Yes. The 2012 USDA map put 98259 in zone 8b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.