Lythrum salicaria (Purple Loosetrife)
Spectacular when in full bloom, Purple Loosestrife (Lythrum salicaria) is a vigorous, upright perennial enjoying an extremely long bloom season from late spring to late summer. It features pink, purple, or magenta flowers in dense spikes, up to 18 in. long (45 cm) held atop lance-shaped leaves.
Bj Fitch