Sahih al-Bukhari 1488

Obligatory Charity Tax (Zakat)

#1488Book 24

حَدَّثَنَا قُتَيْبَةُ، عَنْ مَالِكٍ، عَنْ حُمَيْدٍ، عَنْ أَنَسِ بْنِ مَالِكٍ ـ رضى الله عنه ـ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنْ بَيْعِ الثِّمَارِ حَتَّى تُزْهِيَ، قَالَ حَتَّى تَحْمَارَّ‏.‏

Narrated Anas bin Malik:Allah's Messenger (ﷺ) forbade the selling of fruits until they were ripe. The Prophet (ﷺ) added, "It means that they become red

Reference
Sahih al-Bukhari 1488
In-book
Book 24, Hadith 88
English
Muhsin Khan