While trims are important, over-pruning can be even more damaging to the tree than not trimming it at all. Aim to trim your palm trees about once a year, and avoid cutting healthy growth.

Once a palm is infected, it is often terminal. Ganoderma Butt Rot: A fungal pathogen causing trunk decay and eventual tree collapse, leaving no viable cure once established. Fusarium Wilt: Spread via ...