1. a tropical American plant with small fluffy flowers, commonly grown as an ornamental garden annual
Usage: botanical

Examples

• The gardener planted rows of blue ageratum along the border.
• Ageratum blooms continuously from spring until the first frost.
• The purple ageratum attracted many butterflies to the garden.
• She chose white ageratum to complement the red geraniums.
• Ageratum is popular in flower beds because it requires little maintenance.
• The florist used ageratum as filler in the bouquet arrangement.