symphyotrichum novi-belgii almira blue flowering plant, beautiful summer autumn rich petal flowers in bloom

almira aster asteraceae autumn bloom blooming blossom blossoming blue botanic botanical botany bouquet bright bunch bush closeup color colorful daisy daylight detail fall flora floral flower flowers foliage garden green group growth leaf macro michaelmas nature new novibelgii ornamental outdoors parkland petal plant purple season shrub summer symphyotrichum violet yellow york