The Siebenthaler Company was founded by John Siebenthaler under the guidance of his father, Georg, who lived in a log cabin along what is now Siebenthaler Avenue in Dayton, Ohio. The cabin was built in 1807, four years after Ohio was admitted to the Union.
Georg Siebenthaler – 1st Generation
JOHN SIEBENTHALER – 2ND GENERATION
WILBER SIEBENTHALER – 3RD GENERATION
CLARENCE SIEBENTHALER – 3RD GENERATION
JOHN SIEBENTHALER – 3RD GENERATION
GEORGE SIEBENTHALER – 3RD GENERATION
George Siebenthaler, born in 1905, was an outstanding student at Cornell University and also studied abroad, winning a competitive scholarship in landscaping and architecture. “Siebenthaler’s pioneered the development of a modern garden center, located within easy reach of city and suburban customers.” George has helped the administrative side
of the business and, after the establishment of the Garden Centers, became responsible
ROBERT “BOB” SIEBENTHALER – 4TH GENERATION
ROBERT “JEFF” SIEBENTHALER – 5TH GENERATION
Jeff did the obligatory experience as carry out boy at the North Garden Center and landscape crew member during his primary and high school years. After obtaining his business degree from Ohio State University, he returned to the company focusing on the Landscape Department. He took the title of President and Treasurer in 1990 and led the Company in that capacity until 2015. Jeff served as president of the Ohio Nurserymen’s association and the National Landscape Association. He served the community as a board member of the Y.M.C.A., Dayton History, 5 River Metroparks foundation, Dayton Rotary.
He has served as chairman of the Better Business Bureau and of the Dayton Children’s Medical Center. Jeff continues as C.E.O and Chairman of the board at the