Fringed Loosestrife
Lysimachia ciliata
Last reviewed: June 2026
Lysimachia ciliata (Fringed Loosestrife) is a native North American wildflower blooming yellow flowers from June through August. This shade-tolerant perennial thrives in moist soils across most of the United States.
Light
part shade
Water
medium
Size
12"–36" H × 12"–24" W
Bloom
Jun, Jul, Aug
Native to
AL, AR, CO, CT and 39 more states
Pollinators
bees, flies
Fringed loosestrife is a native wildflower that produces cheerful yellow blooms from June through August. This medium-sized perennial thrives in partial shade with moderate moisture, making it useful for areas where other flowering plants might struggle.
Growing Fringed Loosestrife
Grow Fringed Loosestrife in part shade and medium water. Mature plants reach 12 to 36 inches tall and spread 12 to 24 inches wide. Expect high maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Fringed Loosestrife takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Spreads aggressively by underground rhizomes
- Can appear weedy and informal
- May be confused with non-native invasive loosestrifes
Wildlife value
The bright yellow flowers attract bees and flies during the summer months. This native plant provides nectar resources when many other wildflowers have finished blooming.
Common questions
- When does Fringed Loosestrife bloom?
- Lysimachia ciliata blooms from June through August, producing bright yellow flowers that attract bees and flies.
- What growing conditions does Fringed Loosestrife prefer?
- This native wildflower grows best in partial shade to full shade with medium to high moisture levels. It tolerates a range of soil conditions but prefers consistently moist sites.
- Where is Lysimachia ciliata native?
- Fringed Loosestrife is native to most U.S. states, from Maine to Florida in the east, west to Montana and New Mexico, and in scattered locations in the Pacific Northwest.
- What pollinators visit Fringed Loosestrife?
- The yellow flowers of Lysimachia ciliata attract various bees and flies, making it a valuable addition to pollinator gardens in shaded, moist areas.
- Is Fringed Loosestrife HOA-friendly?
- Fringed Loosestrife takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Fringed Loosestrife? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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