" The Messenger of Allah (may Allah's peace and blessings be upon him) prohibited the selling of a fruit until it is evidently ripe. He forbade both the buyer and the seller (from engaging in such a transaction). [Al-Bukhari]"

"عن عبد الله بن عمر- رضي الله عنهما- مرفوعاً: «أن رسول الله -صلى الله عليه وسلم- نهى عن بيع الثمرة حتى يبدو صلاحها، نهى البائع و المُبْتَاعَ». [صحيح.] - [متفق عليه.]"