ageratum houstonianum, flossflower, bluemink, blueweed, pussy foot or mexican paintbrush purple flowers on bush. blossoming in

ageratum alchemilla alternative america arboretum aster background beautiful beauty bed bloom blossom blue bluemink blueweed botany bush circle compositae conyzoides daisy decorative epipsila flora floral floss flossflower flower foliage garden gardening green houstonianum inflorescence leaf natural nature ornamental outdoor paintbrush park perennial petal plant pollen purple rosales small summer violet