The immature apples on the trees are falling. I notices that on the blossom end of the apple, it has a small black mass. What can be done?
Stearns County Minnesota
Thank you for your question. There can be several reasons why apples drop prematurely. Here is an article from Michigan State University on premature apple drop which may help in answering your question:
Yearly pruning is very important to maintain the health of apple trees. This is a publication from the University of Minnesota about growing and caring for apple trees in the home garden: