Narrated Abu Al-Bakhtari: I asked Ibn `Umar about Salam for dates. Ibn `Umar replied, "The Prophet forbade the sale (the fruits) of date-palms until they were fit for eating and also forbade the sale of silver for gold on credit." I also asked Ibn `Abbas about it. Ibn `Abbas replied, "The Prophet forbade the sale of dates till they were fit for eating, and could be weighed." I asked him, "What is to be weighed (as the dates are on the trees)?" A man sitting by Ibn `Abbas said, "It means till they are cut and stored."

Narrated Ibn `Umar: The Prophet had forbidden the sale of dates till they were good (ripe), and when it was asked what it meant, the Prophet said, "Till there is no danger of blight."

Narrated Abu Bakhtari at-Tai: I asked Ibn `Abbas about Salam for (the fruits of) date-palms. He replied "The Prophet forbade the sale a dates on the trees till they became fit for eating and could be weighed." A man asked what to be weighed (as the dates were still on the trees). Another man sitting beside Ibn `Abbas replied, "Till they are cut and stored." Narrated Abu Al-Bakhtari: I heard Ibn `Abbas (saying) that the Prophet forbade ... etc. as above.