Why do all my peaches fall off the tree when they are about 2 inches?
This is likely a pollination problem. Absent any other problem (disease or insect), the tree will abort any unpollinated fruit when it is about that size.
Related Videos:
Peach Trees: How-to and Information (List of All Peach Tree Information)
Common Peach Diseases and Insects and How to Prevent Them
Related Resources:
Pollination Requirements for Tree and Small Fruits
Related Videos:
Peach Trees: How-to and Information (List of All Peach Tree Information)
Common Peach Diseases and Insects and How to Prevent Them
Related Resources:
Pollination Requirements for Tree and Small Fruits