The crossword solution for the term DECORATIVE HERB is PARSLEY, which is a seven-letter word. PARSLEY is an herb that is widely used in cooking and as a garnish. It is also used in many decorative arrangements due to its bright green color and attractive shape. PARSLEY is a member of the Apiaceae family and is native to the Mediterranean region. It is a popular herb in many cuisines around the world and is often used to add flavor and color to dishes.