ZonePlant

State reference · West

Washington

Washington (WA) covers 7 primary USDA hardiness zones across 708 zip codes. Capital: Olympia.


USDA hardiness zones in Washington

Zone share is computed from the 708 zip codes within Washington. The most common zone is the best starting point for state-wide guidance; check your local zip for microclimate accuracy.

State-wide baseline

Zone 8b covers the largest share of Washington, with winter lows around 15°F to 20°F and a typical growing season of 260 days. Zone 8b guide →

Crops suited to Washington

Crops whose recommended USDA zone range overlaps Washington's dominant zones. 95 crops match.

Tree fruit

18 crops

See all 18 tree fruit →

Berries

21 crops

See all 21 berries →

Nuts

6 crops

Vegetables

40 crops

See all 40 vegetables →

Herbs

10 crops

See all 10 herbs →

Largest cities in Washington

Cities ranked by population (GeoNames public-domain data). Each city has a curated planting reference with its USDA zone, frost dates, and recommended crops.

Curated zip pages in Washington

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