American Water Cress, scientifically known as Cardamine rotundifolia, is a perennial herb native to the eastern United States and southeastern Canada, including states such as Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Ontario, Pennsylvania, Québec, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, West Virginia, and Wisconsin. This plant thrives in moist to wet environments such as stream banks, ditches, and marshes, where it can be found growing in light to partial sun and various soil types, including sandy, medium, and clay soils. Hardy in zones 5-9, American Water Cress can grow up to 0.3 meters tall. The plant is known for its edible leaves, which are often enjoyed raw in salads or cooked as a green vegetable. Its fresh, peppery flavor makes it a popular addition to both raw and cooked dishes. American Water Cress is a valuable addition to gardens or natural landscapes where it requires consistent moisture. Its ability to flourish across diverse habitats, from stream banks to wetlands, makes it a versatile and resilient plant in native ecosystems. When cultivating American Water Cress, ensure the soil remains moist and provide light (sandy), medium, or heavy (clay) soils with full sun to partial shade. Propagation can be achieved through division or seed sowing directly in the garden bed for best results. This perennial herb is a useful addition to any landscape where it can thrive in moist conditions, contributing both ornamental and edible value.
American Water Cress, scientifically known as Cardamine rotundifolia, is a perennial herb native to the eastern United States and southeastern Canada, including states such as Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Iow
Start with American Water Cress in a moist, sunny spot for your first gardening experience.
Seeds or young plants, containers or garden beds, potting soil if using containers.
Plant in spring after the last frost or in fall before the first freeze.
Ensure the soil is moist, well-draining, and rich in organic matter. For containers, use a mix of light (sandy), medium, or heavy clay soil.
Direct sow seeds 0.3 m apart in rows or transplant young plants into the prepared bed or container.
Keep the soil consistently moist and provide partial sun to full sun exposure.
Water regularly, especially during dry spells. Mulch around the base for moisture retention and weed control.
Prune or harvest leaves as needed, cutting back about 1/3 of the plant to encourage new growth.
Overwatering, planting in full sun, neglecting regular pruning, using poor soil quality, and not providing enough organic matter.
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