Perennial phlox plants are well known for their sweet45smelling blooms making them popular in scented gardens and cut flower displays phlox paniculata 39laura39 is no exception producing fragrant clusters of delicate purple petals throughout the summer and early autumn the hardy perennial is also well45suited to flowerbeds and wildlife areas for bees and butterflies love its nectar almost as much as gardeners appreciate its clump45forming foliage height 90cm 403390