buddleja davidii

blooming blooms blossom blossoms blue botanical botany bough buddleia buddleja bush butterfly closeup cluster cultivar cultivated davidii decorative exterior flora floral floret florets flower flowering flowers garden gardening green grown horticultural horticulture inflorescence landscaping leaves natural nature nectar ornamental outdoor outdoors park plant raceme scented semiwoody shrub sky stem summer sunlight sunny twig vegetal white woody yellow