I believe Date palms are cultivated from offshoots generally, not cuttings or grafting (no branches etc to graft on, palms don't really work to graft onto). And

I believe Date palms are cultivated from offshoots generally, not cuttings or grafting (no branches etc to graft on, palms don't really work to graft onto). And as a quick point of clarification, grafting has nothing to do with rooting cuttings, the wording kind of linked those together. Tissue culture might work as a method of asexual propogation as well.