Ageratum houstonianum Directory References Images Discover The World’s 5 Most Commonly Used Writing Systems The Seven Sacraments of the Roman Catholic church New Seven Wonders of the World Roman Catholic Saints How Did the Sperm Whale Get Its Name? Timeline of the Space Race, 1957–69 7 Unique Burial Rituals Across the World Contents Ageratum houstonianum plant Ask the Chatbot a Question Ask the Chatbot a Question Also known as: blue mink, floss flower Learn about this topic in these articles:use as edging plant In ageratumThe common garden ageratum (A. houstonianum), also known as floss flower and blue mink, is frequently cultivated as an ornamental annual. Several dwarf varieties are commonly used as edging plants.Read More