Native to temperate regions of Europe, Asia and North America. Grows in cool, running water and will spread very rapidly if conditions are just right. ... Or, grow as a container plant, and water daily with pure cold water, using the leaves as needed, in salads or as a pot herb.
Vähe leidub Eestis (kraavides, ojades, allikates) kersile lähedast ürt-allikkerssi (Nasturtium officinale). Seda ja mõningaid kersi liike tarvit. mitmel maal salatina.