Question: are all bulrush plants edible?
Answer: The seeds, pollen, young shoots, stem base, inner part of the stem, and roots (rhizomes) of bulrushes are edible. Bulrushes can be used to make flour, syrup, or sugar and prepared in a raw salad or as a cooked vegetable. ... In Montana some Native Americans boiled bulrush roots in water to make syrup.