Lysimachia ephemerum produces ghostly white flower spikes of starry blooms rising above clumps of silvery green foliage this lovely species of loosestrife is unfortunately rarely seen in uk gardens an elegant perennial loved by butterflies it enjoys moist borders and bog gardens 45 particularly suiting a damp area at the edge of a pond or a stream awarded an rhs agm for its garden performance lysimachia ephemerum is also a stunning cut flower height 100cm 40393441 spread 30c