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Can You Grow Watercress in Colorado?
US · USDA Zone 5b · zones 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b
Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.
Plant zones
Colorado last frost
Colorado first frost
Days to harvest
When to plant Watercresses in Colorado
Direct sow
Harvest
Dates are approximate, based on Colorado'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 Colorado
Colorado has a semi-arid mountain climate with intense sunshine and low humidity. Front Range cities like Denver are Zone 5-6; higher elevations are Zones 3-4.
Frequently asked questions
Can you grow Watercress in Colorado?
Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.
What zone is Colorado?
Colorado spans USDA Zone 5b (3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b).
When do you plant Watercresses in Colorado?
Plant Watercresses Apr 7, harvest May 7 – Jun 6.