I have a Molly's Delicious dwarf apple tree (planted last year). Is it a self-pollinating tree or does it need a cross pollinator? If cross pollinator is needed, which apple tree is needed to cross pollinate? Which ones are ok for it to cross pollinate?
This article should help: https://www.gardeningknowhow.com/edible/fruits/apples/apple-tree-pollination.htm