Sahih al-Bukhari 2379
صحيح البخاري#2379SahihNarrated 'Abdullah (ra): I heard the Messenger of Allah (ﷺ) say, "If somebody buys date-palms after they have been pollinated, the fruits will belong to the seller unless the buyer stipulates the contrary. If somebody buys a slave having some property, the property will belong to the seller unless the buyer stipulate that it should belong to him
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 42:27