My state refund wasexceptedabout March 1st. Got my federal refund 2/12 but never my state refund¿?

Fed & state returns are processed by totally separate taxing authorities on their own timelines ... so did you successfully efile the state ?  If so check with the state web site ...

To track your state refund:    

https://ttlc.intuit.com/questions/1899433-how-do-i-track-my-state-refund

Federal and state refunds come from completely separate entities,  There is no rule as to which one will come first or how much time there will be between their arrivals.

STATE RETURN

Make sure your state return was accepted:  https://turbotax.intuit.com/tax-tools/efile-status-lookup/

To track your state refund:    

https://ttlc.intuit.com/questions/1899433-how-do-i-track-my-state-refund