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Can You Grow Watercress in Rhode Island?

US · USDA Zone 6b · zones 6a, 6b

Grows well here

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

Plant zones

2a–9b

Rhode Island last frost

mid-March

Rhode Island first frost

mid-November

Days to harvest

30–60 days

When to plant Watercresses in Rhode Island

Direct sow

Mar 15

Harvest

Apr 14 – May 14

Dates are approximate, based on Rhode Island'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 Rhode Island

Rhode Island has a humid continental climate moderated by the ocean. A small state with a single primary zone of 6b in most areas. Four seasons with a productive growing window.

See what grows well in Rhode Island →

Frequently asked questions

Can you grow Watercress in Rhode Island?

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

What zone is Rhode Island?

Rhode Island spans USDA Zone 6b (6a, 6b).

When do you plant Watercresses in Rhode Island?

Plant Watercresses Mar 15, harvest Apr 14 – May 14.