From Sahih Bukhari (Hadith 3583):
Narrated Ibn `Umar:The Prophet (ﷺ) used to deliver his sermons while standing beside a trunk of a datepalm. When he had the pulpit made, he used it instead. The trunk started crying and the Prophet (ﷺ) went to it, rubbing his hand over it (to stop its crying)
Reference: Bukhari 3583