Where are the Best Dates Grown? Best Dates and Where are the Best Dates Grown? the question many might have on their minds. Dates are generally a product of the tropics, although cultivated in subtropical regions. Dates can be grown in areas with mild winters and hot and dry summers for fruit ripening and 6 months from pollination to harvesting rain or moisture. Don't overdo it. Climatic, soil, water, topographic...