Toxicity | Non-toxic. |
Control | Repeated cutting, hand pulling, herbicides and grazing. Contact your County Weed District or local Applicator for more information. |
Habitat | Along waterways, landscaped yards, disturbed soils, forest edges, vacant lots and right of ways. |
Root | Extensive root system. |
Leaf Shape | Broad, heart-shaped. |
Lifespan | Perennial; two years or longer. |
Priority 1B Weed | Limited presence in Montana. |
Similar Looking Plants | Buddleja (butterfly bush), knotgrass, Russian vine, giant and hybrid knotweeds. |
Important Information | Found at old home sites where it was planted as an ornamental. Plants are not frost tolerant and die back at the end of each season. They can cause serious damage to structures with growth. |