species 1,406 observations
Douglas' Knotweed
Polygonum douglasii
Field notes
Supports All
93
native animals
supported in the US
supported in the US
-
Caterpillars
Moths and butterflies raised on it


Lilac-bordered Copper, White-lined Sphinx, Ruby Tiger Moth, Gem Moth
35
-
Plant eaters
Animals that feed on it



Brown Bear, Red-winged Blackbird, Wood Duck, Common Gallinule
44
-
Flower visitors
Pollinators and other flower visitors


Common Eastern Bumble Bee, Common Grass Skimmer, Pure Green Sweat Bee, Orange-legged Furrow Bee
14
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Key traits
- Layer
- Herbaceous plants
- Plant type
- Annual Wildflower
From USDA PLANTS.