Ornamental flowers are a popular choice for gardens and landscaping. The crossword solutions for the term 'ornamental flower' include IRIS (4 letters), MUM (3 letters), DAHLIA (6 letters), Lantana (7 letters), BEGONIA (7 letters), Phlox (5 letters), VERBENA (7 letters), NASTURTIUM (10 letters), and CHRYSANTHEMUM (13 letters). Each of these flowers is known for its vibrant colors and unique shapes, making them a great addition to any garden.