white summer lilac or buddleia davidii ornamental vigorous shrub plant with honey scented pure white inflorescences and long

white summer lilac buddleia davidii butterflybush orange eye flowering ornamental vigorous shrub plant arching habit hone scented pure inflorescences terminal panicles long lanceolate green leaves growing urban home garden warm sunny spring day flower nature blossom flowers pink bloom leaf beauty purple blooming petal season closeup flora honey