Winged Loosestrife is a graceful and ecologically vital native alternative to its invasive relative, Purple Loosestrife. This elegant perennial typically grows 2 to 3 feet tall, featuring square stems with distinctive "wings" or ridges and small, lance-shaped leaves. From June through September, it produces a long-lasting display of charming purple-to-pink flowers that are a favorite of hummingbirds, butterflies, and a wide array of native bees. Native to wet prairies, marshes, and roadside ditches throughout much of the United States, it is a tough and adaptable species. It thrives in full sun and wet to medium-wet soils, making it a perfect choice for rain gardens, bioswales, or the edges of garden ponds. Unlike the invasive species that shares its name, Winged Loosestrife plays a balanced role in the ecosystem, providing essential nectar without overwhelming native plant communities. Its upright habit and delicate floral spikes add a sense of verticality and refined color to any moisture-rich garden setting.

Quick facts

• Height: 2–3 ft
• Sun: Full
• Soil moisture: Wet to Medium-Wet
• Bloom time: Jun–Sep (Purple)
• Life cycle: Perennial
• Notes: Rhizomatous
• Native range: Native to 40 states, including Iowa, Minnesota, Wisconsin, Illinois, Missouri, Nebraska

See the full growing guide and county range map for Winged Loosestrife