Sales and Trade
حَدَّثَنَا ابْنُ مُقَاتِلٍ، أَخْبَرَنَا عَبْدُ اللَّهِ، أَخْبَرَنَا حُمَيْدٌ الطَّوِيلُ، عَنْ أَنَسٍ ـ رضى الله عنه ـ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى أَنْ تُبَاعَ ثَمَرَةُ النَّخْلِ حَتَّى تَزْهُوَ. قَالَ أَبُو عَبْدِ اللَّهِ يَعْنِي حَتَّى تَحْمَرَّ.Narrated Anas:Allah's Messenger (ﷺ) forbade the sale of date fruits till they were ripe. Abu `Abdullah (Al-Bukhari) said, "That means till they were red (can be eaten)
From Sahih al-Bukhari, whose reports the scholars accept as authentic.