Abu Said Al-Khudri (RAA) narrated that The Messenger of Allah (ﷺ) said:
"There is no Zakah to be paid on any amount of dates or grain less than five Awsuq." Agreed upon. (IT)
English reference (IT): Book 4, Hadith 636 (IT)
Arabic reference (IT): Book 4, Hadith 613 (IT)