Why is my crêpe myrtle producing a tomato?
Crape Myrtles and Tomatoes
Certified GKH Gardening Expert
This is because you have a tree that is called "Tamarillo". This is not a crape myrtle. It was just a case of mis-identification. This tree is in the Solanaceae family.
Here is some more information on the tree: https://www.gardeningknowhow.com/edible/vegetables/tree-tomato/grow-tree-tomato-tamarillo.htm