Urusei Yatsura S01 E158 What Do I Care for Talking Flowers!

"Grab her horns and she might just become your darling!"

Ran and Lum learn a valuable lesson about spreading rumors after Ran's talking flowers (named Ryuugenvillias) spread rumors about them to the entire town, soon affecting/hurting everyone's lives. (Aside from Ataru, oddly enough, who is mostly unaffected.)