WATERMINT (Mentha aquatica), is a very common plant found throughout Britain, save the more extreme uplands. Wherever it grows, it, unsurprisingly, needs a ditch, a pondside, wet pasture, a damp roadside or pathway, or, more particularly, a streamside—‘on the cress-strewn streamlet’s brink’, as one truly awful 19th-century poem has it.
It is one of our most distinctive plants, immediately recognisable by its pointed, oval and slightly hairy leaves, which often take on a bronze appearance. The tufts of pink flowers are pretty and distinctive of the mints. Two final clues are that the stems are square in section and the whole plant smells, um, of mint. I consider the smell of watermint to be one of the finest that Nature offers; neither the toothpaste of spearmint nor the hot-sharp aroma…
