Why are the leaves of the lotus plant growing in the mud always clean? How is the slippery surface of the pitcher plant created? Why are not the colors of the butterflies fading? Herbert will answer all these questions and perform exciting experiments on July 14 at the “Tag des Botanischen Gartens” at the booth “Experimentieren mit Pflanzen: Geniale Tricks selbst entdecken”. Interested?, then visit us!