The Messenger of Allah ﷺ said, "Dates are not to be sold until they are fit to eat."
حدثنا روح حدثنا زكريا بن إسحاق حدثنا عمرو بن دينار أن
قال رسول الله ﷺ لا يباع التمر حتى يطعم
No references are available.
Its isnad is sahih, and it is a repeat of 2247 with this same isnad. See also 3173.