It grows in the area from the Tsugaru Straits through the coasts of Kameda Peninsula (former Minamikayabe-cho Town) of Hakodate City to Muroran city (except the Funka Bay) in Hokkaido, on the coasts from Minmaya to Iwaya, Aomori Prefecture, on the coasts of Omoe, Miyako City, Iwate Prefecture, the southwestern Sakhalin, Enkai shu ([Russian] maritime provinces) and the northeastern part of the Korean peninsula.
北海道函館市の津軽海峡沿岸～亀田半島沿岸（旧南茅部町）～室蘭市周辺（噴火湾を除く）、青森県三厩～岩屋、岩手県宮古市重茂、サハリン南西部、沿海州、朝鮮半島東北部に生育する。