Japanese Sago Palm - 4.5" Ceramic Pot Evergreen Plants Tree Garden and Home New Japanese Sago Palm - 4.5' Ceramic Pot Evergreen Plants Tree Garden and Home New The sago palm is also referred to as the Japanese sago palm, and the funeral palm. Sago palms are slow-growing, evergreen plants that grow to about 10 to 12 feet in height. They are poisonous if ingested, so practice care with animals and children. Japanese sago palm. Evergreen plants. Likes full sun and sandy soil. Poisonous if ingested. Ships in a 4.5'' inch ceramic pot.