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Can You Grow Watercress in Montana?
US · USDA Zone 4b · zones 3a, 3b, 4a, 4b, 5a, 5b
Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.
Plant zones
Montana last frost
Montana first frost
Days to harvest
When to plant Watercresses in Montana
Direct sow
Harvest
Dates are approximate, based on Montana'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 Montana
Montana has a semi-arid continental climate with cold winters and warm summers. Most of the state is Zone 4-5; protected valleys are Zone 5-6. Short but intense growing seasons.
Frequently asked questions
Can you grow Watercress in Montana?
Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.
What zone is Montana?
Montana spans USDA Zone 4b (3a, 3b, 4a, 4b, 5a, 5b).
When do you plant Watercresses in Montana?
Plant Watercresses Apr 15, harvest May 15 – Jun 14.