Melaleuca gardneri Craven & R.D.Edwards Regelia megacephala is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia.

[2] Regelia megacephala was first formally described in 1964 by the Australian botanist, Charles Gardner in Journal of the Royal Society of Western Australia.

[3] Regelia megacephala grows in red sand on rocky quartzite hills in the Avon Wheatbelt and Swan Coastal Plain biogeographic regions.

[5][6] Regelia megacephala is classified as "Priority Four" by the Western Australian Government Department of Parks and Wildlife[4] meaning that is rare or near threatened.

[7] Regelia megacephala is not often seen in cultivation but is frost hardy, will grow in full or partial sun and is suitable for narrow gardens.