Narrated Abu Sa`id Al-Khudri: Allah's Messenger (ﷺ) forbade Muzabana and Muhaqala; and Muzabana means the selling of ripe dates for dates still on the trees
Book 34 · Hadith 133
صحيح البخاري
Narrated Abu Sa`id Al-Khudri: Allah's Messenger (ﷺ) forbade Muzabana and Muhaqala; and Muzabana means the selling of ripe dates for dates still on the trees