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Planting calendar for ZIP 98837 (Moses Lake, WA)

When to plant vegetables in Moses Lake, WA (USDA hardiness zone 7a). Typical last spring frost around Apr 27, 2026 12 days year to year), first fall frost around Oct 8, 20269 days).

Playing it safe? Spring frost holds off until about May 12, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Moses Lake, WA

January

February

March

April

May

July

August

Understand your frost dates

Frost dates for ZIP 98837: NOAA 1991-2020 normals (USW00024110 MOSES LAKE GRANT CO AP, WA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.