A Guide To FruitA Enjoy Affair With Dates, The Fruit At The Cultural Heart Of Oman : The Salt In this country at the tip of the Arabian Peninsula, the nutrition-packed palm-tree treat is vital to tradition, sustenance and the economy — and has been for hundreds of years. Date palms start to bear fruit at 3 to 5 years, and are totally mature at 12 years. It has lots of iron, potassium,