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| Category: Grass-like |
| Family: Cyperaceae (Sedges) |
| Origin: Asia, East (Asia) |
| Bloomtime: Summer |
| Synonyms: [Eleocharis tuberosa] |
| Height: 1-3 feet |
| Width: Spreading |
| Exposure: Full Sun |
| Irrigation (H2O Info): Aquatic |
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Eleocharis dulcis (Aquatic) (Chinese Water Chestnut) - This grass-like plant forms a clump of leafless cylindrical stems 2 to 3 ft. tall with small spikes of flowers at the top in summer. It spreads by runners at a moderate rate, preferring saturated soil to shallow water in full sun. It dies down in winter storing energy in underground tubers. Best growth is in warm water over fertile soil. This is the crunchy water chestnut of Chinese cuisine, which is not actually a "nut" but a vegetable as the edible part are the small rounded corms that grow in the mud at the base of the plant. These corms have crispy white flesh and are eaten raw or cooked - even cooked they remain crisp which has made them very popular in Chinese stir fry dishes.
The information on this page is based on research conducted in our nursery library and from online sources as well as from observations made of this plant as it grows in our nursery, in the nursery's garden and in other gardens that we have visited. We have also incorporated comments received from others and always appreciate getting feedback of any kind from those who have some additional information, particularly if this information is contrary to what we have written or includes additional cultural tips that would aid others in growing Eleocharis dulcis.
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