Trapa natans (Water Chestnut)
Trapa natans (Water Chestnut) floating on water with dense green leaves forming a circle.
Botanical name: Trapa natans
Common name: Water Chestnut
Family: Trapaceae
Origin: Europe and Asia
USDA Plant Hardiness Zone Map
USDA Zone: 6-11
Plant type: Fruit or edible
Fruit type: Fruit or edible
Plant form: Small
Mature height: 2-5 ft
Sun exposure: Full sun or bright light indoor
Cold tolerance: Tolerates light freezing to about 30°F for short periods (mature plants). Young plants must be protected.
Watering: Bog or aquatic
Suitable for: Outdoors in the suitable USDA zone; small gardens, containers, and indoor growing
Invasive: Can spread quickly, needs controlWater chestnut features a rosette of floating leaves. Leaves are triangular in shape and strongly toothed. Small four-petaled flowers give way to the nut-like fruit. It forms dense floating mats, often three layers deep, that restrict light availability, reduce the oxygen content, and displace other emergent and floating vegetation. It is frequently cultivated in Asia and elsewhere where the fruit is eaten. Aquarium Plant.
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