American Goldthread
Coptis trifolia
Last reviewed: June 2026
Light
part shade
Water
medium
Size
2"–6" H × 3"–8" W
Bloom
May, Jun
Native to
CT, IN, MA, MD and 12 more states
Pollinators
beetles, flies
American goldthread is a low-growing evergreen groundcover with distinctive three-lobed leaves and small white flowers in late spring. This shade-loving native thrives in moist, acidic soils and spreads slowly to form neat carpets under trees and shrubs.
In an HOA neighborhood
American Goldthread is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, mid zone.
Wildlife value
The small white flowers attract beetles and flies during May and June blooming period.
Common questions
- How much sun does American Goldthread need?
- American Goldthread grows best in part shade conditions.
- When does American Goldthread bloom?
- American Goldthread blooms in May and June.
- Where is American Goldthread native?
- American Goldthread (Coptis trifolia) is native to CT, IN, MA, MD and 12 more states, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does American Goldthread attract?
- American Goldthread draws beetles and flies.
- Is American Goldthread HOA-friendly?
- American Goldthread is generally an HOA-friendly choice in the right placement, with low maintenance.
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 American Goldthread? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz