Invasive & Non-Native Plants in Washington
These non-native plants are among the most commonly recorded spreading in Washington. Many crowd out the plants local wildlife depends on. The good news: there's a native you can plant instead.
Purple foxglove
5,504 sightingsDigitalis purpurea · non-native to the U.S.
Plant instead: a Washington native that fits the same spot.
English holly
4,784 sightingsIlex aquifolium · non-native to the U.S.
Plant instead: American holly, Possumhaw, Smooth winterberry (native Ilex)
Creeping buttercup
4,207 sightingsRanunculus repens · non-native to the U.S.
Plant instead: Littleleaf buttercup, Blisterwort, Pygmy buttercup (native Ranunculus)
Scotch broom
4,071 sightingsCytisus scoparius · non-native to the U.S.
Plant instead: a Washington native that fits the same spot.
Lawndaisy
3,159 sightingsBellis perennis · non-native to the U.S.
Plant instead: a Washington native that fits the same spot.
Climbing nightshade
3,122 sightingsSolanum dulcamara · non-native to the U.S.
Plant instead: Cutleaf nightshade, American black nightshade, Silverleaf nightshade (native Solanum)
Purple deadnettle
3,118 sightingsLamium purpureum · non-native to the U.S.
Plant instead: a Washington native that fits the same spot.
Wall-lettuce
2,921 sightingsMycelis muralis · non-native to the U.S.
Plant instead: a Washington native that fits the same spot.
Bull thistle
2,834 sightingsCirsium vulgare · non-native to the U.S.
Plant instead: Edible thistle, Wavyleaf thistle, Clustered thistle (native Cirsium)
Splendid feather moss
2,808 sightingsHylocomium splendens · non-native to the U.S.
Plant instead: a Washington native that fits the same spot.
Canada thistle
2,654 sightingsCirsium arvense · non-native to the U.S.
Plant instead: Edible thistle, Wavyleaf thistle, Clustered thistle (native Cirsium)
Narrowleaf plantain
2,637 sightingsPlantago lanceolata · non-native to the U.S.
Plant instead: Goose tongue, Woolly plantain, Prairie plantain (native Plantago)
Common tansy
2,461 sightingsTanacetum vulgare · non-native to the U.S.
Plant instead: Lake Huron tansy (native Tanacetum)
Cutleaf blackberry
2,380 sightingsRubus laciniatus · non-native to the U.S.
Plant instead: Salmonberry, Thimbleberry, California blackberry (native Rubus)
Red clover
2,351 sightingsTrifolium pratense · non-native to the U.S.
Plant instead: Whitetip clover, Largehead clover, Tomcat clover (native Trifolium)