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Kirkland, WA planting calendar

When to plant vegetables in Kirkland, WA (USDA hardiness zone 9a). Typical last spring frost around Mar 8, 2026 (±17 days year to year), first fall frost around Nov 23, 2026 (±16 days).

Playing it safe? Spring frost holds off until about Mar 29, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

These dates are typical for the whole city. Enter your ZIP for frost dates from the station nearest you:

Month by month in Kirkland, WA

January

February

March

April

September

December

Understand your frost dates

More Washington planting calendars

ZIP codes in Kirkland

98033, 98034

Where these dates come from

Frost dates for Kirkland, WAare NOAA 1991–2020 climate normals from a station representative of the area, which covers 2 ZIP codes. Individual ZIP codes within it can run earlier or later.

Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.