It is narrated from Sayyiduna Abu Hurayrah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) was asked about the date palm, and he (peace and blessings be upon him) said: "They are the trees firmly rooted in the mud, and that feed (people) in times of drought."
Hadith Referenceالمعجم الأوسط / باب العين / 3916
Hadith Gradingمحدثین:إسناده ضعيف جدًّا، فيه المعلى بن ميمون متروك
Hadith Takhrij«قال الهيثمي: وفيه المعلى بن ميمون وهو متروك «مجمع الزوائد ومنبع الفوائد، ج 4، ص 68»»