Invasive & Non-Native Plants in California
These non-native plants are among the most commonly recorded spreading in California. Many crowd out the plants local wildlife depends on. The good news: there's a native you can plant instead.
Bermuda buttercup
21,135 sightingsOxalis pes-caprae · non-native to the U.S.
Plant instead: Redwood-sorrel, Creeping woodsorrel, Broadleaf woodsorrel (native Oxalis)
Redstem stork's bill
17,926 sightingsErodium cicutarium · non-native to the U.S.
Plant instead: Texas stork's bill (native Erodium)
Sweet fennel
17,373 sightingsFoeniculum vulgare · non-native to the U.S.
Plant instead: a California native that fits the same spot.
Horehound
14,829 sightingsMarrubium vulgare · non-native to the U.S.
Plant instead: a California native that fits the same spot.
Tree tobacco
14,096 sightingsNicotiana glauca · non-native to the U.S.
Plant instead: Desert tobacco, Indian tobacco, Coyote tobacco (native Nicotiana)
Narrowleaf plantain
13,732 sightingsPlantago lanceolata · non-native to the U.S.
Plant instead: Dotseed plantain, Desert Indianwheat, Goose tongue (native Plantago)
Blessed milkthistle
13,145 sightingsSilybum marianum · non-native to the U.S.
Plant instead: a California native that fits the same spot.
Poison hemlock
12,668 sightingsConium maculatum · non-native to the U.S.
Plant instead: a California native that fits the same spot.
Castorbean
11,737 sightingsRicinus communis · non-native to the U.S.
Plant instead: a California native that fits the same spot.
Longbeak stork's bill
11,142 sightingsErodium botrys · non-native to the U.S.
Plant instead: Texas stork's bill (native Erodium)
Cultivated radish
11,095 sightingsRaphanus sativus · non-native to the U.S.
Plant instead: a California native that fits the same spot.
Annual yellow sweetclover
11,061 sightingsMelilotus indicus · non-native to the U.S.
Plant instead: a California native that fits the same spot.
Burclover
10,870 sightingsMedicago polymorpha · non-native to the U.S.
Plant instead: a California native that fits the same spot.
Bigleaf periwinkle
10,618 sightingsVinca major · non-native to the U.S.
Plant instead: a California native that fits the same spot.
Winter vetch
10,398 sightingsVicia villosa · non-native to the U.S.
Plant instead: American vetch, Louisiana vetch, Black vetch (native Vicia)