Narrated Zaid bin Thabit: The Prophet permitted selling the dates of the 'Araya for ready dates by estimating the amount of the former (as they are still on the trees).
Hadith ReferenceSahih Bukhari / The Book of Watering / Hadith: 2380
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة