PONCHATOULA — After opening in June, Ponchatoula's The Cypress Landing is expanding with a 7,000 sq. ft. addition to its current market and restaurant space. The Cypress Landing, a multi-tenant shopping and dining development in downtown Ponchatoula, initially opened with a 12,000 sq. ft. space, but management said Wednesday that they have outgrown the space. "Our vendors grew. The waitlist grew. The ideas grew. And somewhere between opening wee…