flowering pacific ninebark ubbler-leaf physocarpus opulifolius kuntze, variety diabolo or purpureus in urban square

anybody blossoming blue bush city color dark day deciduous decorative design diabolo family flora flowering gold golden grade group iris japonica kuntze landing landscape leaf ninebark nobody opulifolius pacific people physocarpus plant princess princesses purple purpureus rosaceae rose solar spiraea square summer ubblerleaf urban variety yellow