Invasive & Non-Native Plants in Connecticut
These non-native plants are among the most commonly recorded spreading in Connecticut. Many crowd out the plants local wildlife depends on. The good news: there's a native you can plant instead.
Garlic mustard
2,484 sightingsAlliaria petiolata · non-native to the U.S.
Plant instead: a Connecticut native that fits the same spot.
Common wormwood
2,183 sightingsArtemisia vulgaris · non-native to the U.S.
Plant instead: Biennial wormwood, Prairie sagewort, Field sagewort (native Artemisia)
Multiflora rose
1,860 sightingsRosa multiflora · non-native to the U.S.
Plant instead: Carolina rose, Swamp rose, Smooth rose (native Rosa)
Oriental bittersweet
1,753 sightingsCelastrus orbiculatus · non-native to the U.S.
Plant instead: American bittersweet (native Celastrus)
Burningbush
1,746 sightingsEuonymus alatus · non-native to the U.S.
Plant instead: Burningbush (native Euonymus)
Japanese barberry
1,564 sightingsBerberis thunbergii · non-native to the U.S.
Plant instead: Barberry (native Berberis)
Autumn olive
1,556 sightingsElaeagnus umbellata · non-native to the U.S.
Plant instead: a Connecticut native that fits the same spot.
Wine raspberry
1,295 sightingsRubus phoenicolasius · non-native to the U.S.
Plant instead: Smooth blackberry, Threeleaflet dewberry, Pasture dewberry (native Rubus)
Red clover
1,221 sightingsTrifolium pratense · non-native to the U.S.
Plant instead: Running buffalo clover, Carolina clover (native Trifolium)
Common mullein
1,162 sightingsVerbascum thapsus · non-native to the U.S.
Plant instead: a Connecticut native that fits the same spot.
Ground ivy
1,157 sightingsGlechoma hederacea · non-native to the U.S.
Plant instead: a Connecticut native that fits the same spot.
Queen Anne's lace
1,075 sightingsDaucus carota · non-native to the U.S.
Plant instead: a Connecticut native that fits the same spot.
Celandine
994 sightingsChelidonium majus · non-native to the U.S.
Plant instead: a Connecticut native that fits the same spot.
Climbing nightshade
949 sightingsSolanum dulcamara · non-native to the U.S.
Plant instead: Carolina horsenettle, American black nightshade, Wild potato (native Solanum)
White clover
878 sightingsTrifolium repens · non-native to the U.S.
Plant instead: Running buffalo clover, Carolina clover (native Trifolium)