HomeWatercress › Grow in Oregon

Can You Grow Watercress in Oregon?

US · USDA Zone 8b · zones 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b

Grows well here

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

Plant zones

2a–9b

Oregon last frost

late January

Oregon first frost

mid-December

Days to harvest

30–60 days

When to plant Watercresses in Oregon

Direct sow

Jan 30

Harvest

Mar 1 – Mar 31

Dates are approximate, based on Oregon'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 Oregon

Oregon has dramatically different climates west and east of the Cascades. The Willamette Valley is mild and productive year-round (Zone 8a-8b); eastern Oregon is semi-arid and colder (Zone 5-6).

See what grows well in Oregon →

Frequently asked questions

Can you grow Watercress in Oregon?

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

What zone is Oregon?

Oregon spans USDA Zone 8b (4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b).

When do you plant Watercresses in Oregon?

Plant Watercresses Jan 30, harvest Mar 1 – Mar 31.