I am a new Immigrant, just got here last February 23, 2012
You can petition your mother if you are US citizen
It will be helpful to answer your questions if you can tell us your status.
You have to be a U.S. citizen to file a petition for your mom.
Please consult with a licensed immigration professional to provide you with a thorough legal advice. This response should not be construed to create an attorney-client relationship.