Ageratum -

: The name comes from the Greek a (not) and geras (old age), because the flowers retain their color for a long time.

: Frequently called floss flower , blue mink, or blue horizon. ageratum

Ageratums are popular for garden borders and containers because they are relatively low-maintenance. Ageratum houstonianum - Plant Finder : The name comes from the Greek a

Ageratum is a genus of about 40 to 60 species of tropical flowering plants in the Asteraceae family. Most species are native to Central America and Mexico. They are best known for their soft, fuzzy flower clusters that resemble small pom-poms. Key Characteristics ageratum