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Winged Loosestrife

Lythrum alatum

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Category
Forb / Wildflower
Sun
Full
Soil moisture
Wet to Medium-Wet
Bloom time
Jun–Sep
Bloom color
Purple
Notes
Rhizomatous

About Winged Loosestrife

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.

Native range

Native to 40 states:

AlabamaArkansasColoradoConnecticutD.C.FloridaGeorgiaIowaIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew YorkOhioOklahomaPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasVirginiaVermontWisconsinWest VirginiaWyoming

County range map

BONAP county-level native range map for Lythrum alatum

Range map courtesy of BONAP (Biota of North America Program).

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