Aquatic sedge with edible corms that grows in mud. 
Other Names: Chinese chestnut
Origin: Asia, Africa, Oceania
Size: 1m high, 1m spread
Growing conditions: full sun
Propagation: Replant corms after harvest
Growing tips: Plant 2-3 corms in a bathtub in spring. Keep water levels partially up the stems. Harvest when sedge dies back in autumn.
Use: Corms are mild, very crunchy and can be eaten raw or cooked.
Availability in shop: During summer growing season. Please ask at shop, as we sell bare-rooted corms only.