Reinhold Holtkamp, Sr. Email.

Hermann Holtkamp, Sr. was a pioneering figure in the African violet industry. His research and development work at Holtkamp Greenhouses laid the foundation for the commercial success of African violets, including the introduction of the Rhapsodie trademark and the non‑dropping flower characteristic.

Reinhold Holtkamp, son of Hermann Holtkamp Sr., is the president and chief researcher of Holtkamp Greenhouses USA. He established the company’s Nashville operations, introduced the Optimara trademark in 1977, and led the development of Optimara Violets, including the Space Violet program and a line of plant‑care products. Reinhold Holtkamp, Sr. served as Pre...