On noon of April 26, 2006, they baptized a new tulip dedicated to the character Purk. Sien, Purk, Bert and Ernie were welcomed to participate on the official baptizing of the new "Purk" tulip at the Keukenhof. Keukenhof director Piet de Vries and tulip grower Jan Ligthart were at the scene for this official moment.