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Can You Grow Watercress in Oregon?
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
Oregon last frost
Oregon first frost
Days to harvest
When to plant Watercresses in Oregon
Direct sow
Harvest
Dates are approximate, based on Oregon'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 Oregon
Oregon has dramatically different climates west and east of the Cascades. The Willamette Valley is mild and productive year-round (Zone 8a-8b); eastern Oregon is semi-arid and colder (Zone 5-6).
Frequently asked questions
Can you grow Watercress in Oregon?
Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.
What zone is Oregon?
Oregon spans USDA Zone 8b (4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b).
When do you plant Watercresses in Oregon?
Plant Watercresses Jan 30, harvest Mar 1 – Mar 31.