n rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium
n any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers
Taking a different approach, Entomologist William Bowers, of the New York State Agricultural Experiment Station, has isolated two substances from ageratum, a flowering plant, that .
More than 60,000 red begonia, white chrysanthemum and blue ageratum plants splashed color through the exhibitsnot out of any special patriotic fervor, but because they are the .
Now is the time to set out a variety of bedding plants: Words to Grow By Excellent warm-season annual bedding plants for Louisiana include ageratum, begonia, celosia (cockscomb), coleus, impatiens, petunias, salvia, marigold, zinnia and periwinkle (vinca)
June 13, 2013 - New Orleans Times-Picayune