Invasive & Non-Native Plants in New Hampshire
These non-native plants are among the most commonly recorded spreading in New Hampshire. Many crowd out the plants local wildlife depends on. The good news: there's a native you can plant instead.
Glossy buckthorn
2,707 sightingsFrangula alnus · non-native to the U.S.
Plant instead: Carolina buckthorn (native Frangula)
Coltsfoot
2,378 sightingsTussilago farfara · non-native to the U.S.
Plant instead: a New Hampshire native that fits the same spot.
Red clover
1,671 sightingsTrifolium pratense · non-native to the U.S.
Plant instead: Buffalo clover, Carolina clover, Whitetip clover (native Trifolium)
Oriental bittersweet
1,267 sightingsCelastrus orbiculatus · non-native to the U.S.
Plant instead: American bittersweet (native Celastrus)
Japanese barberry
1,110 sightingsBerberis thunbergii · non-native to the U.S.
Plant instead: Barberry (native Berberis)
Autumn olive
1,063 sightingsElaeagnus umbellata · non-native to the U.S.
Plant instead: Silverberry (native Elaeagnus)
Purple loosestrife
944 sightingsLythrum salicaria · non-native to the U.S.
Plant instead: Winged lythrum (native Lythrum)
White clover
921 sightingsTrifolium repens · non-native to the U.S.
Plant instead: Buffalo clover, Carolina clover, Whitetip clover (native Trifolium)
Bird vetch
921 sightingsVicia cracca · non-native to the U.S.
Plant instead: a New Hampshire native that fits the same spot.
Common mullein
897 sightingsVerbascum thapsus · non-native to the U.S.
Plant instead: a New Hampshire native that fits the same spot.
Multiflora rose
835 sightingsRosa multiflora · non-native to the U.S.
Plant instead: Carolina rose, Swamp rose, Smooth rose (native Rosa)
Queen Anne's lace
772 sightingsDaucus carota · non-native to the U.S.
Plant instead: a New Hampshire native that fits the same spot.
Common gypsyweed
758 sightingsVeronica officinalis · non-native to the U.S.
Plant instead: Thymeleaf speedwell, Skullcap speedwell, American alpine speedwell (native Veronica)
Bird's-foot trefoil
749 sightingsLotus corniculatus · non-native to the U.S.
Plant instead: a New Hampshire native that fits the same spot.
Burningbush
693 sightingsEuonymus alatus · non-native to the U.S.
Plant instead: Burningbush (native Euonymus)