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Common Name: Sessile-Fruited Arrowhead
Sagittaria rigida is a perennial plant that can grow up to 0.80 metres tall.
It is harvested from the wild for local use as a food.
Eastern N. America - Quebec to Minnesota and southwards. Naturalized in Britain in S.W. England[
Calcareous or brackish shallow water and shores of ponds, swamps, and rivers, occasionally in deep water from sea level to 1000 metres[
A pond or bog garden plant, it requires a moist or wet loamy soil in a sunny position[
]. Prefers shallow, still or slowly flowing water up to 30 - 60cm deep. Plants can succeed in deep water[
Root - cooked[
]. Tastes like potatoes[
Seed - best sown as soon as it is ripe in a pot standing in about 5cm of water. Prick out the seedlings into individual pots when they are large enough to handle, and gradually increase the depth of water as the plants grow until it is about 5cm above the top of the pot. Plant out in late spring or early summer of the following year.
Division of the tubers in spring or autumn. Easy.
Runners potted up at any time in the growing season.