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Can You Grow Watercress in Alaska?
US · USDA Zone 4b · zones 1a, 1b, 2a, 2b
Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.
Plant zones
Alaska last frost
Alaska first frost
Days to harvest
When to plant Watercresses in Alaska
Direct sow
Harvest
Dates are approximate, based on Alaska'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 Alaska
Alaska ranges from subarctic to maritime climates. The interior has very short summers but intense sunlight. Coastal areas are milder. Cold-hardy crops and greenhouses are key.
Frequently asked questions
Can you grow Watercress in Alaska?
Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.
What zone is Alaska?
Alaska spans USDA Zone 4b (1a, 1b, 2a, 2b).
When do you plant Watercresses in Alaska?
Plant Watercresses Apr 15, harvest May 15 – Jun 14.