coreopsis lanceolata 'sterntaler' a summer flowering plant with yellow summertime flower

autumn background beauty bloom blooming blossom bud close coreopsis flower lanceolata daisy domestic garden flora floral bed border head formal gardening growing herbaceous horizontal horticulture macro nature people park perennial petal plant public scent season spring springtime sterntaler summer summertime tickseed vibrant winter yellow 39aph39sterntaler39aph39 flowering june september commonly 'sterntaler' high quality