CYCAS REVOLUTA: King Sago Palm, Japanese Sago Palm
Even though "palm" is in the name, Sagos are not actually palms at all! They are cycads and have been around since prehistoric times. They can survive a quick snap into the 20s, but really do not like to be in temps below freezing. Heat tolerant, but keep the soil evenly moist. They will perform best in partial shade in a well draining soil.
With young Sago Palms:
Only water when the soil starts to dry out. Cover when the temperature falls below freezing until they are well established. It is recommended that you do not plant them outside until they are 3 yrs. old.