- Category
- Forb / Wildflower
- Sun
- Full to Partial
- Soil moisture
- Wet to Medium
- Bloom time
- Jul–Aug
- Bloom color
- Yellow
About River Loosestrife
River Loosestrife is a sophisticated wetland specialist that offers a burst of golden color to the margins of waterways and wet meadows. This upright perennial typically grows 1 to 3 feet tall, featuring slender, lance-shaped leaves and bright yellow, five-petaled flowers that bloom in mid-to-late summer. Like its relatives, it is a vital resource for oil-collecting Macropis bees, which are among the few insects capable of utilizing its specialized floral rewards. Native to a variety of North American wetlands, River Loosestrife is frequently found in marshes, swamps, and along the banks of slow-moving rivers. It performs best in full to partial sun and thrives in wet to medium-wet soils, showing good tolerance for seasonal flooding. Its elegant form and vibrant summer display make it a wonderful addition to rain gardens or pond edges. When planted in groups, it creates a beautiful shimmering effect in the breeze, all while providing essential habitat and sustenance for a variety of native insects and wetland-dwelling wildlife.
Native range
Native to 38 states:
County range map

Range map courtesy of BONAP (Biota of North America Program).
Have more questions on River Loosestrife?
the prairie farm FORUMWant to grow River Loosestrife?
Get a Quote
