Sagittaria latifolia

(Broadleaf Arrowhead)


Hardiness Zones:

 10a  10b  5a  5b  6a  6b  7a  7b  8a  8b  9a  9b

Quick Overview:

Arrowhead, duck potato or wapato is a vigorous, deciduous, marginal aquatic perennial that typically grows 1-4′ tall. It is noted for its arrowhead-shaped leaves and three-petaled white flowers in whorls of three. It commonly grows submerged in shallow water or out of water on wet muddy banks. It is native to sloughs, swamps, marshes and margins of streams and ponds throughout North America including Missouri. Each plant produces leaves and flowers on separate stalks. Leaves can be quite variable in size. Emersed leaves (to 12″ long) are typically broadly sagittate (arrowhead-shaped). Submerged leaves are often much narrower (linear to ovate). Three-petaled white flowers appear in whorls of three atop stalks rising to 4′ tall. Male flowers have bushy yellow center stamens and female flowers have mounded green centers. Plants bloom freely from July to September. The common names of duck potato and wapato are in reference to the enlarged rounded starchy golfball-sized tubers that form at the ends of underground plant runners (rhizomes).

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Winter hardy to USDA Zones 5-10. Needs full sun for best flowering. Set out plants, tubers or runners in spring in mud at the margins of a pond or in containers in a water garden, either along the shore or in up to 6-12″ of water. Seed may be sown in spring or fall. Seed may also be collected and sown in containers resting in dishes of shallow water. Plants will naturalize by rhizomes and self-seeding. Promptly deadhead spent flowers to prevent any unwanted self-seeding.  (Courtesy of Missouri Botanical Gardens Plant Finder)

Additional information

Common Name

Broadleaf Arrowhead

Botanical Name

Sagittaria latifolia


1 gallon

Evergreen or Deciduous


Hardiness Zone

10a, 10b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b

Growth Rate


Light Requirements

Part-sun, Sun





Soil Condition

Wet Soils

Water Needs


Blooming Period


Flower Color




Foliage Color


Deer Resistant


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