Musannaf Ibn Abi Shayba 13:1865

Abu Bakr narrated to us, he said: Abu Usamah narrated to us, from Abd al-Rahman ibn Yazid, he said: Al-Qasim and Makhul narrated to us, from Abu Umamah, he said: The Prophet, may Allah bless him and grant him peace, forbade the selling of fruit until its ripeness becomes apparent.