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Can You Grow Watercress in Washington?
US · USDA Zone 8b · zones 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.
Plant zones
Washington last frost
Washington first frost
Days to harvest
When to plant Watercresses in Washington
Direct sow
Harvest
Dates are approximate, based on Washington's average frost dates. Your exact yard may vary by microclimate.
About Watercress
Watercress is a peppery, nutrient-dense aquatic green that loves cool, running water and partial shade — an easy container crop if you keep it constantly wet.
Grow in a container of rich soil kept standing in water, refreshed regularly. Harvest outer leaves often. Prefers cool shade to hot sun.
Gardening in Washington
Washington has dramatically different climates. The wet maritime west (Zone 8a-8b) is mild and productive year-round. Eastern Washington is semi-arid and colder (Zone 5-6) with hot dry summers.
Frequently asked questions
Can you grow Watercress in Washington?
Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.
What zone is Washington?
Washington spans USDA Zone 8b (4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b).
When do you plant Watercresses in Washington?
Plant Watercresses Jan 30, harvest Mar 1 – Mar 31.