violet flowers of china aster and bluemink

ageratum and annual aster bed bloom blossom blossoming bluemink blueweed botany bud callistephus china chinensis corymbs flora florescence florets flossflower flower flowers fluffy foliage foot garden green greenery growth head herb herbaceous houstonianum inflorescence leaf lilac lush mauve mexican nature ornamental outdoors paintbrush park petal plant summer vegetation violet whiteweed