Sunscald – Sunburn Posted on September 13, 2016December 2, 2016 by PlumeriaDB ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Share This Tweet Share Categories: Plumeria CareWinter or summer injury to the trunk of a woody plant caused by hot sun and fluctuating temperatures. Typically, sunscalded bark splits and separates from the trunk. Related Images: