The crossword solutions for the term 'Heather Genus' are ERICA, which is a five-letter word. ERICA is a genus of flowering plants in the family Ericaceae, commonly known as heaths or heathers. The genus contains over 500 species of evergreen shrubs and small trees, which are found mainly in Europe, Africa, and Asia. They are popular ornamental plants, and many varieties are cultivated for their colorful flowers and foliage.