Harvestlice
Agrimonia parviflora
Last reviewed: June 2026
Agrimonia parviflora (Harvestlice) is a native forb blooming June through September across eastern and central United States. This adaptable wildflower attracts bees and beetles with small yellow flower spikes.

The USDA PLANTS Database (opens in new tab) does not flag Harvestlice as toxic to livestock.
Light
part sun
Water
medium
Size
24"–48" H × 12"–24" W
Bloom
Jun, Jul, Aug, Sep
Native to
AL, AR, CT, DE and 28 more states
Pollinators
bees, beetles
Browse plants for this ecoregion
Swamp agrimony is a native perennial wildflower that produces small yellow flowers on tall, slender spikes from summer into fall. This woodland edge plant forms loose clumps and has compound leaves that turn golden in autumn.
Growing Harvestlice
Grow Harvestlice in part sun and medium water. Mature plants reach 24 to 48 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Harvestlice takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Tall, informal growth habit looks too wild for most front yards
- Small flowers and narrow spikes lack visual impact
- Can appear weedy or unkempt to conventional landscaping standards
Wildlife value
The long blooming period provides nectar for native bees and beneficial beetles throughout the growing season. Seeds may attract small birds in late fall.
Common questions
- When does Agrimonia parviflora bloom?
- Harvestlice blooms from June through September, producing small yellow flowers arranged in tall, slender spikes.
- What pollinators visit Agrimonia parviflora?
- Bees and beetles are the primary pollinators of Harvestlice, attracted to its small but numerous yellow flowers.
- Where is Agrimonia parviflora native?
- Harvestlice is native to much of the eastern and central United States, from the Southeast through the Great Plains and up to southern New England.
- What growing conditions does Agrimonia parviflora prefer?
- This adaptable native forb tolerates a wide range of light conditions from full sun to partial shade and grows in various moisture levels from dry to moist soils.
- Is Harvestlice toxic to livestock?
- The USDA PLANTS Database does not flag Harvestlice as toxic to livestock.
- Is Harvestlice HOA-friendly?
- Harvestlice 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 Harvestlice? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.