When to plant strawberries in Seattle, Washington

February 13 – February 27

Transplant outdoors · typical Seattle year

Climate basis: NOAA station Seattle Boeing Fld, WA (USW00024234), 5 mi (8 km) from downtown Seattle (ZCTA 98104 centroid), elevation 20 ft, on the 1991–2020 climate normals. Plant dormant strawberry crowns from approximately the dates above, anchored to the median last spring 32°F freeze (March 13). One year in ten still freezes after April 1.

Last spring freezeMarch 131-in-10 after Apr 1

First fall freezeNovember 171-in-10 before Nov 1

Frost-free season≈ 247 daysmedian at 32°F

Hard freeze, 28°Feb 18 – Dec 2kills even hardy greens

USDA zone9a20 to 25°F winter low — not frost timing

The Seattle year

Transplant outdoorsFeb 13 – Feb 27

indoors under lights
in the garden
frost-free season
1-in-10 years still freeze to Apr 1

Strawberries in Seattle · freeze context from Seattle Boeing Fld, WA, 1991–2020 normals.

Every method, with its sources

Transplant outdoors

Feb 13 – Feb 27

NC State: plant 1-year-old dormant plants about three or four weeks before the average last frost. Utah State: dormant bare-root plants need not wait for frost danger to pass. Span extended to 14 days. Anchored to the median last spring freeze (Mar 13). N.C. Cooperative Extension (NC State Extension, Macon County) · Utah State University Extension

Start seeds indoors

Not calculated

The cited extension guides do not time an indoor seed-starting window for this crop.

Direct-sow outdoors

Not calculated

Garden strawberries are planted as crowns/plants, not seed.

Fall planting

Not calculated

No source-backed fall planting rule exists for this crop in the registry, so no fall window is calculated.

Variety assumption: June-bearing beds fruit the year AFTER planting (blossoms are usually removed the first season).

These windows describe typical years (1991–2020 climate normals), not this year's forecast. Freezes happen outside them — especially in frost pockets, valleys, and urban edges. Watch the forecast before committing tender plants.

This week, not a typical year:

Crop rule sources (2)

N.C. Cooperative Extension (NC State Extension, Macon County): Starting Your Strawberry Patch (accessed 2026-07-24)
"Plant 1-year old dormant plants about three or four weeks (mid-April) before the average date of the last frost."
Utah State University Extension: How to Grow Strawberries in Your Garden (accessed 2026-07-24)
"Bare root dormant plants are transplanted in early spring. Since the plants are dormant, there is no need to wait until after the risk of spring frost has passed."

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