Sahih al-Bukhari 2199
Sahih al-Bukhari · Book 34: Sales and Trade · If somebody sells fruits before their benefit is evident
Narrated Ibn Shihab:
قَالَ اللَّيْثُ حَدَّثَنِي يُونُسُ ، عَنِ ابْنِ شِهَابٍ ، قَالَ لَوْ أَنَّ رَجُلاً، ابْتَاعَ ثَمَرًا قَبْلَ أَنْ يَبْدُوَ صَلاَحُهُ، ثُمَّ أَصَابَتْهُ عَاهَةٌ، كَانَ مَا أَصَابَهُ عَلَى رَبِّهِ، أَخْبَرَنِي سَالِمُ بْنُ عَبْدِ اللَّهِ عَنِ ابْنِ عُمَرَ ـ رضى الله عنهما ـ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " لاَ تَتَبَايَعُوا الثَّمَرَ حَتَّى يَبْدُوَ صَلاَحُهَا، وَلاَ تَبِيعُوا الثَّمَرَ بِالتَّمْرِ " .
If somebody bought fruits before their benefit is evident and then the fruits were spoiled with blights, the loss would be suffered by the owner (not the buyer). Narrated Salim bin 'Abdullah from Ibn Umar: Allah's Messenger (ﷺ) said, "Do not sell or buy fruits before their benefit was evident and do not sell fresh fruits (dates) for dried dates."