1000 PINK WINGED LOOSESTRIFE Lythrum Alatum Flower Seeds BLOOM TIME: Summer HARDINESS ZONE: 3 - 8 (and reseeds itself easily) PLANT HEIGHT: 24 - 36" . . . PLANT SPACING: 15 - 18" LIGHT REQUIREMENTS: Sun . . . SOIL / WATER: Wet Attracts bees, butterflies, and birds including waterfowl. Loosestrife is a protected plant in some areas.