(28) باب بَيْعِ الثَّمَرِ قَبْلَ أَنْ يَبْدُوَ صَلاَحُهُ
It was narrated from Salim, from his father, that:
the Messenger of Allah forbade selling fruits until their condition is known.
Reference: Sunan an-Nasa'i 4520
In-book reference: Book 44, Hadith 72
English translation: Vol. 5, Book 44, Hadith 4524