ageratum houstonianum or flossflower flowers corymb close-up

ageratum annual asteraceae background bedding bloom blooming blue bluemink blueweed botany bud closeup corymb decorative floral flossflower flower flowerbed flowering fluffhaired fluffy foliage foot garden goatweed green haired heads houstonianum leaf leaves mexican nature ornamental paintbrush plant purple pussy top view yellowish