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American Tearthumb

Persicaria sagittata

Last reviewed: June 2026

American Tearthumb (Persicaria sagittata)
Photo: (c) Repina Tatyana, some rights reserved (CC BY), uploaded by Repina Tatyana

Light

part sun

Water

medium

Size

24"–120" H × 12"–48" W

Bloom

Jul, Aug, Sep

Native to

AL, AR, CO, CT and 34 more states

Pollinators

bees, beetles

Browse plants for this ecoregion

American tearthumb is a climbing annual vine with arrow-shaped leaves and small clusters of white to pink flowers in late summer. This native plant has tiny backward-pointing barbs on its stems that help it climb over other vegetation. It thrives in moist areas and can spread rapidly in favorable conditions.

In an HOA neighborhood

American Tearthumb 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.

  • Aggressive spreading habit
  • Barbed stems can be problematic
  • Can appear weedy and uncontrolled

Wildlife value

The summer flowers attract bees and beetles for pollination. Seeds provide food for waterfowl and other birds in wetland areas.

Common questions

How much sun does American Tearthumb need?
American Tearthumb grows best in part sun conditions.
When does American Tearthumb bloom?
American Tearthumb blooms in July, August, and September.
Where is American Tearthumb native?
American Tearthumb (Persicaria sagittata) is native to AL, AR, CO, CT and 34 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does American Tearthumb attract?
American Tearthumb draws bees and beetles.
Is American Tearthumb HOA-friendly?
American Tearthumb 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 American Tearthumb? 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