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What to Plant in January in Washington

Here's what you can plant in Washington during January. Since Washington spans multiple USDA zones, planting dates vary by location. Find your zone below.

Zone 9a

View full Zone 9a planting guide for January

Direct Sow

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.