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Can You Grow Watercress in Oklahoma?

US · USDA Zone 7a · zones 6a, 6b, 7a, 7b

Grows well here

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

Plant zones

2a–9b

Oklahoma last frost

early March

Oklahoma first frost

late November

Days to harvest

30–60 days

When to plant Watercresses in Oklahoma

Direct sow

Mar 7

Harvest

Apr 6 – May 6

Dates are approximate, based on Oklahoma'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 Oklahoma

Oklahoma ranges from Zone 6a in the Panhandle to Zone 7b in the southeast. Hot summers and mild winters. Long growing season for warm-season crops.

See what grows well in Oklahoma →

Frequently asked questions

Can you grow Watercress in Oklahoma?

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

What zone is Oklahoma?

Oklahoma spans USDA Zone 7a (6a, 6b, 7a, 7b).

When do you plant Watercresses in Oklahoma?

Plant Watercresses Mar 7, harvest Apr 6 – May 6.