As Soen did not hesitate to teach the method for producing tea that he invented to neighbors, 'Nagatanishiki sencha' (sencha by Nagatani method) and 'Ujisei sencha' (sencha made in Uji) spread nationwide.
宗円は自身が発明した製茶法を近隣にも惜しみなく伝えたため、「永谷式煎茶」「宇治製煎茶」は全国に広がることとなった。