Midnight is part of the Scabiosa genus and is a Pincushion flower variety. Its scientific name is Scabiosa 'Midnight'. This variety is a Flower that typically grows as an Perennial, which is defined as a plant that matures and completes its lifecycle over the course of three years or more.
This variety plant info is provided by the myfolia gardener's wiki. All details about Midnight have been kindly provided by our members.