bluemink (ageratum). purple flowers contrast green leaves. vertical photo image.

ageratum agriculture bloom blooming blossom bluemink blueweed botanical bright color colorful contrast cultivation ecological ecology fancy flora floral floriculturist florist flossflower flower flowers foot fragrance fresh garden gardener gardening green grow houstonianum leaf leave leaves mexican paintbrush pattern plant pollinating proper pruning purple pussy seeds species sprout survival thrive vertical whiteweed