SODEGAURA, Chiba Prefecture--Boasting palm trees planted at even intervals, the Kaihin Koen-dori road here is popular as an "Instagrammable" spot for its resemblance to the U.S. West Coast.

It's in these cities and suburbs where they are truly favored over other palm ... tree. Pruning is also a good idea after the blooming season. Start by removing damaged or dead fronds and flower ...