wet places, including pond margins, swamps, floodplains and ditches. it also occurs in open or wooded areas along streams. it can grow in sand, loam, clay, or limestone; poor drainage areas or in shallow water. it grows throughout canada and the us as well as parts of europe, asia and australia. edible...
cm ( to "). the square stem is erect-ascending, unbranched-branched, can be hairy or smooth and it is often dark reddish. habitat being an aquatic plant this mint likes slow moving fresh water, ponds and lakes. sometimes they will grow in swamps, marshes, fens, damp woodlands, and storm ditches. edible...