Daikon Cress is a very popular item in Japan, where it is called ‘kaiware’. (The Japanese name for radish is Daikon). It is produced from local radish seed and has the true taste of horseradish. It is related to the better-known Round Red Radish, but has a stronger taste.The culture of Daikon Cress is very fast, about 5-7 days. It is therefore required that one uses the right seeds with a uniform germination. .