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Planting calendar for ZIP 98851 (Soap Lake, WA)

When to plant vegetables in Soap Lake, WA (USDA hardiness zone 7a). Typical last spring frost around Apr 22, 2026 11 days year to year), first fall frost around Oct 17, 202610 days).

Playing it safe? Spring frost holds off until about May 6, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Soap Lake, WA planting calendar for dates typical of the whole city.

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Month by month in Soap Lake, WA

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 98851: NOAA 1991-2020 normals (USW00024141 EPHRATA MUNI AP, WA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.