Tag Archive | edible weed

Arrowhead (Sagittaria sagittifolia)慈姑

Arrowhead (Sagittaria sagittifolia) 慈姑


Arrowhead (Sagittaria sagittifolia) bulbs are commonly sold in Asian supermarket.慈姑球根亞洲超市都有在賣.


Arrowhead (Sagittaria sagittifolia) bulbs turning green when in warm and moist condition. 慈姑球根在保濕保溫下轉綠了.



Arrowhead (Sagittaria sagittifolia) bulb is forming roots. Where the roots grow is always higher up not the bottom of the bulb as other plants. 慈姑球根發根了,它的根長在球根上面而非像其他植物一樣發根在球的底部.


Hardy aquatic perennial/root vegetable.  Easy to grow and propagate.  Best growing in full sun to partial shade location in moist soil (or in pond).  White flowers in summer.  Flowers attract bees.  USDA Zones:6-11.  Mature size:2′-3′(H/W).  Propagate by rhizomes/bulbs, offsets or division.  Medicinal.  Bulbs are edible after cooked, it is starchy and crispy.  It is one of the edible weed!  Suitable for growing in containers.

慈姑是強健多年生的水生植物/根莖類蔬菜.  容易栽種及繁殖.  最好栽種在全日照到半日照處的濕潤土中(或池塘中).  夏天開白色花朵,頗吸引蜂類. 耐寒也耐熱!  成熟株高2-3呎,寬幅亦同.  繁殖方式以球根,側芽/走莖或分株方式來進行.  有藥用價值.  秋後植株生長出膨大的球根,球根煮後可以食用,含高澱粉,脆脆的.

Reference links:參考網站資料連結:

https://en.wikipedia.org/wiki/Sagittaria_sagittifolia                   https://zh.wikipedia.org/zh-tw/%E6%85%88%E5%A7%91                  http://www.meishij.net/%E6%85%88%E8%8F%87                      http://www.kdais.gov.tw/view.php?catid=989&print=1   http://davesgarden.com/guides/pf/go/31458/#b