Invasive & Non-Native Plants in Oregon
These non-native plants are among the most commonly recorded spreading in Oregon. Many crowd out the plants local wildlife depends on. The good news: there's a native you can plant instead.
Scotch broom
11,658 sightingsCytisus scoparius · non-native to the U.S.
Plant instead: a Oregon native that fits the same spot.
Himalayan blackberry
7,359 sightingsRubus armeniacus · non-native to the U.S.
Plant instead: Thimbleberry, Salmonberry, California blackberry (native Rubus)
Bull thistle
4,926 sightingsCirsium vulgare · non-native to the U.S.
Plant instead: Fewleaf thistle, Edible thistle, Wavyleaf thistle (native Cirsium)
Canada thistle
4,343 sightingsCirsium arvense · non-native to the U.S.
Plant instead: Fewleaf thistle, Edible thistle, Wavyleaf thistle (native Cirsium)
Shining geranium
3,903 sightingsGeranium lucidum · non-native to the U.S.
Plant instead: Robert geranium, Sticky purple geranium, Oregon geranium (native Geranium)
Lawndaisy
3,875 sightingsBellis perennis · non-native to the U.S.
Plant instead: a Oregon native that fits the same spot.
Tree of heaven
3,577 sightingsAilanthus altissima · non-native to the U.S.
Plant instead: a Oregon native that fits the same spot.
Purple foxglove
3,451 sightingsDigitalis purpurea · non-native to the U.S.
Plant instead: a Oregon native that fits the same spot.
Slender false brome
3,433 sightingsBrachypodium sylvaticum · non-native to the U.S.
Plant instead: a Oregon native that fits the same spot.
Queen Anne's lace
3,389 sightingsDaucus carota · non-native to the U.S.
Plant instead: American wild carrot (native Daucus)
Medusahead
3,218 sightingsTaeniatherum caput-medusae · non-native to the U.S.
Plant instead: a Oregon native that fits the same spot.
Fuller's teasel
2,991 sightingsDipsacus fullonum · non-native to the U.S.
Plant instead: a Oregon native that fits the same spot.
Purple deadnettle
2,960 sightingsLamium purpureum · non-native to the U.S.
Plant instead: a Oregon native that fits the same spot.
Cutleaf blackberry
2,556 sightingsRubus laciniatus · non-native to the U.S.
Plant instead: Thimbleberry, Salmonberry, California blackberry (native Rubus)
Scotch cottonthistle
2,515 sightingsOnopordum acanthium · non-native to the U.S.
Plant instead: a Oregon native that fits the same spot.