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Can You Grow Watercress in California?
US · USDA Zone 9b · zones 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b
Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.
Plant zones
California last frost
California first frost
Days to harvest
When to plant Watercresses in California
Direct sow
Harvest
Dates are approximate, based on California'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 California
California spans more climate zones than any other state. Coastal regions are mild year-round; the Central Valley is hot and productive; mountains are cold; deserts are extreme.
Frequently asked questions
Can you grow Watercress in California?
Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.
What zone is California?
California spans USDA Zone 9b (5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b).
When do you plant Watercresses in California?
Plant Watercresses Jan 10, harvest Feb 9 – Mar 11.