The term 'HEATH PLANT' can be broken down into three crossword solutions: ERICA (5 letters), HEATHER (7 letters), and MILKWORT (8 letters). ERICA is a genus of flowering plants in the family Ericaceae, which includes heathers, rhododendrons, and blueberries. HEATHER is a common name for several species of evergreen shrubs in the Ericaceae family. MILKWORT is a genus of flowering plants in the family Polygalaceae, which includes over 300 species of annual and perennial herbs.