Dr. Jan Ellenberger is the coordinator of the Competence Centre Horticulture (KoGa). 

The KoGa coordination office is located at Campus Klein-Altendorf 2, 53359 Rheinbach, Germany, Tel. +49 1573 481 50 08.

Please contact us with your questions and suggestions regarding KoGa at:
info@ko-ga.eu.