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Can You Grow Watercress in Arizona?

US · USDA Zone 9a · zones 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a

Grows well here

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

Plant zones

2a–9b

Arizona last frost

late January

Arizona first frost

late December

Days to harvest

30–60 days

When to plant Watercresses in Arizona

Direct sow

Jan 20

Harvest

Feb 19 – Mar 21

Dates are approximate, based on Arizona'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 Arizona

Arizona spans dramatic climate zones from cool mountain forests to hot desert. Low-elevation cities like Phoenix grow year-round; high-elevation areas are Zone 5-6.

See what grows well in Arizona →

Frequently asked questions

Can you grow Watercress in Arizona?

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

What zone is Arizona?

Arizona spans USDA Zone 9a (4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a).

When do you plant Watercresses in Arizona?

Plant Watercresses Jan 20, harvest Feb 19 – Mar 21.