ageratum houstonianum small ground flower with purple violet flowers

ageratum annual autumn background bedding bloom blooming blossom blossoming blue bluemink blueweed botanic botanical botany bright bush compositae daylight dwarf flora floral floss flossflower flower flowerheads flowers fluffy foliage foot garden gardening green ground houstonianum leaves mexican mexicanum nature nobody ornamental outdoor paintbrush paitbrush park petal plant purple shrub small summer sunny violet