Pomegranate trees can grow either along the coast or inland, unlike most deciduous fruit trees, which prefer a chillier climate.

the OP gave the okay to cut anything causing a problem on their side of the fence. What remains of the tree is clearly not what the pomegranate tree owner intended or ever expected. While the OP ...

Fertilize the pomegranate tree once a month with a balanced fertilizer that contains nitrogen, phosphorus, and potassium. As the tree grows, you need to prune it to encourage bushy growth.