California Code, Probate Code - PROB § 1847

(a) A copy of the petition for appointment of a conservator and notice of the time and place of the hearing on the petition shall be delivered pursuant to Section 1215 at least 15 days before the hearing to the proposed conservatee at the last known address of the proposed conservatee.

(b) Notice of the time and place of the hearing shall also be published pursuant to Section 6061 of the Government Code in a newspaper of general circulation in the county in which the proposed conservatee was last known to reside if the proposed conservatee's last known address is in this state.

(c) Pursuant to Section 1202, the court may require that further or additional notice of the hearing be given.