Our plum tree and kiwi are producing fruit but the fruit has been falling off both plants. We fertilized in early spring with bone meal, then thinned out the fruit. The fruit continues to fall off. What do I do to prevent this?
Plum Tree Is Losing All the Fruit
Certified GKH Gardening Expert
It sounds like it may be a pollination issue. The tree will abort the fruit if not properly pollinated. Depending on what kind of insecticide you used, you may have made the tree inhospitable to pollinators, so they could not do their job.
This article will help with attracting more pollinators to the tree: