Musannaf Ibn Abi Shayba 13:1230

Abu Bakr narrated to us, he said: Zayd ibn al-Hubab narrated to us, from Harun ibn Musa al-Nahwi, he said: Al-Zubayr ibn Khirrit informed me, from Ikrimah, regarding the man who buys the fruit of a palm tree: He said, "He shall not sell it until he harvests it."