YES, the court can make you stop using marijuana and surrender your medical marijuana card as a term of your probation if you agree to it as a term.
When you are charged with a crime, the District Attorney’s Office will often offer for you to take a plea, which means you admit to some crimes [...]

As a condition of a minor’s probation, a juvenile court cannot restrict or limit a United States citizen minor’s ability to enter the United States.
In the recent case of Alex O. v. Superior Court, a minor who was a U.S. citizen and lived in Mexico admitted to bringing drugs into the U.S. As a [...]

Minor on Probation Cannot be Searched Unless Police Have a Reason
In order to conduct a search of the minor on probation who has not given the police a reason to search him, the officer must already know of the previous probation condition before the search takes place under the case of  In Re Jaime P. [...]