Sunan an-Nasa'i · Hadith 4520
أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنِ الزُّهْرِيِّ، عَنْ سَالِمٍ، عَنْ أَبِيهِ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنْ بَيْعِ الثَّمَرِ حَتَّى يَبْدُوَ صَلاَحُهُ .
It was narrated from Salim, from his father, that:the Messenger of Allah forbade selling fruits until their condition is known
Sahih · Abu GhuddahSahih · Al-AlbaniSahih Muslim · Zubair Ali Zai