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Can You Grow Watercress in Montana?

US · USDA Zone 4b · zones 3a, 3b, 4a, 4b, 5a, 5b

Grows well here

Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.

Plant zones

2a–9b

Montana last frost

mid-April

Montana first frost

mid-October

Days to harvest

30–60 days

When to plant Watercresses in Montana

Direct sow

Apr 15

Harvest

May 15 – Jun 14

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.

Full watercress growing guide →

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.

See what grows well in Montana →

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.