Based on the gardener's record, there is an assumption that sometime in the period from 1720 from 1735, ITO Ihei Masatake, who had lived in Komagome and whose tomb is at Saifuku-ji Temple, artificially bred and grew Someiyoshino.
この植木屋の記録により1720～1735年ごろ、駒込の西福寺に墓の残る当地の伊藤伊兵衛政武が人工交配・育成したとの推定もある。