one white double dahlia flower on a background of cold green leaves

are astrocolor background black bloom blooming blossom botanic botany bud bush cold color composition core cultivation cultural dahlia design double flora floral flower flowerbed flowers foliage front garden gothic green greenery heads herbal herbs inflorescence landscape leaves meadow medicine natural nature one park perennial petal phytotherapy pink plant purple relief remedy row seedlings single spherical spring stems style summer surrounded terry treatment twilight type variety white yard yellow