March is finally here, which means St. Patrick’s Day parade season is starting in New Jersey. Five parades honoring Saint Patrick, the primary patron saint of Ireland, are being held this weekend — with more than two dozen planned for later in the month. (See the full list of parades below.) The festivities get underway Saturday with the Burlington County St. Patrick’s Day parade in Mount Holly and the Nutley St. Patrick’s Day parade. Both start at 1 p.m. Three parades are happening Sunday. There’s theBelmar-Lake Como St. Patrick’s Day parade at 12:30 p.m., the Gloucester City St. Patrick’s pa…