Massachusetts Prohibited Plant List

Current list of prohibited plants

You can also download a printable version of this list, sorted by common or scientific name.

Common NameScientific Name
aeginetiaAeginetia spp.
African boxthornLycium ferrocissimum
African couch grassDigitaria abyssinica; D. scalarum
African feathergrassPennisetum macrourum
alectraAlectra spp.
alfombrillaDrymaria arenarioides
ambuliaLimnophila sessiliflora
Amur cork-treePhellodendron amurense
Amur honeysuckleLonicera maackii
anchored water hyacinthEichhornia azurea
animated oatAvena sterilis
Argentine screwbeanProsopis strombulifera
arrowheadSagittaria sagittifolia
Asian sprangletopLeptochloa chinensis
Asiatic bittersweetCelastrus orbiculatus
autumn oliveElaeagnus umbellata
Bell's honeysuckleLonicera x bella
[L. morrowii x L. tatarica]
Benghal dayflowerCommelina benghalensis
Bishop's weed; goutweedAegopodium podagraria
black locustRobinia pseudoacacia
black swallow-wort; Louise's swallow-wortCynanchum louiseae
border privetLigustrum obtusifolium
borreriaSpermacoce alata
Brazilian satintailImperata brasiliensis
Brazilian waterweed; anacharis; Brazilian elodeaEgeria densa; Elodea densa; Anacharis densa
brittle water-nymph; lesser naiadNajas minor
broad-leafed pepperweed; tall pepperweedLepidium latifolium
broomrapeNon-native Orobanche spp.
brownbeard rice; red riceOryza rufipogon
burning bush; winged euonymusEuonymus alatus
bushy rock-cress; narrowleaf bittercressCardamine impatiens
Callery/Bradford pear*Pyrus calleryana*
Cape tulipHomeria spp.; Moraea spp.
Carolina fanwort; fanwortCabomba caroliniana
catclaw mimosaMimosa pigra
cattail grass; yellow foxtailSetaria pallidifusca; S. pallidefusca; S. pumila
caulerpaCaulerpa taxifolia
coat buttonsTridax procumbens
coltsfootTussilago farfara
common barberry; European barberryBerberis vulgaris
common buckthornRhamnus cathartica
common crupinaCrupina vulgaris
common reedPhragmites australis
creeping buttercupRanunculus repens
creeping Jenny; moneywortLysimachia nummularia
crisped pondweed; curly pondweedPotamogeton crispus
crofton weedAgeratina adenophora
Cypress spurgeEuphorbia cyparissias
dame's rocketHesperis matronalis
devil's thornEmex spinosa
dodderNon-native Cuscuta spp.
duck-lettuceOttelia alismoides
Eurasian or European water-milfoil; Spike water-milfoilMyriophyllum spicatum
European buckthorn; glossy buckthornFrangula alnus; Rhamnus frangula
exotic bur-reedSparganium erectum
flowering rushButomus umbellatus
forget-me-notMyosotis scorpioides
garlic mustardAlliaria petiolata
giant false sensitive plant; false sensitive plantMimosa diplotricha; M. invisa
giant hogweedHeracleum mantegazzianum
giant salvinia; eared watermossSalvinia auriculata
giant salvinia; kariba-weedSalvinia molesta
giant salviniaSalvinia biloba
giant salviniaSalvinia herzogii
goatsrueGalega officinalis
gray willow, rusty willowSalix cinereaSalix cinerea ssp.oleifolia
hair fescue; fineleaf sheep fescueFestuca filiformis
hairy joint grass; jointhead; small carpetgrassArthraxon hispidus
hairy willow-herb; codlins and creamEpilobium hirsutum
horned poppy; sea poppy; yellow hornpoppyGlaucium flavum
hydrilla; water-thyme; Florida elodeaHydrilla verticillata
itchgrassRottboellia cochinchinensis
Japanese barberryBerberis thunbergii
Japanese black pine*Pinus thunbergii*
Japanese honeysuckleLonicera japonica
Japanese hopsHumulus japonicus
Japanese knotweedFallopia japonica; Polygonum cuspidatum; Reynoutria japonica
Japanese sedge; Asiatic sand sedgeCarex kobomugi
Japanese stiltgrass; Nepalese browntopMicrostegium vimineum
jointed prickly pearOpuntia aurantiaca
kiaweProsopis pallida
kikuyugrassPennisetum clandestinum
Kodo-milletPaspalum scrobiculatum
kudzu; Japanese arrowrootPueraria montana
Kyasuma grassPennisetum pedicellatum
large gray willowSalix atrocinereaSalix cinerea ssp. oleifolia
leafy spurge; wolf's milkEuphorbia esula
lesser celandine; fig buttercupRanunculus ficaria; Ficaria verna
liverseed grassUrochloa panicoides
longstamen rice; red riceOryza longistaminata
Malabar melastomeMelastoma malabathricum
melaleucaMelaleuca quinquenervia
mile-a-minute vine or weed; Asiatic tearthumbPolygonum perfoliatum, Persicaria perfoliata
mile-a-minute; bittervineMikania micrantha
mile-a-minute; heartleaf hempvineMikania cordata
Miramar weedHygrophila polysperma
missiongrassPennisetum polystachyon; P. polystachion
monochoriaMonochoria hastata
Morrow's honeysuckleLonicera morrowii
mosquito fernAzolla pinnata
multiflora roseRosa multiflora
murain-grassIschaemum rugosum
Norway mapleAcer platanoides
onion weedAsphodelus fistulosus
oxygen weedLagarosiphon major
pale swallow-wortCynanchum rossicum
parrot-feather; water-feather; Brazilian water-milfoilMyriophyllum aquaticum
pickerel weedMonochoria vaginalis
pilipiliulaChrysopogon aciculatus
plume grass; Amur silvergrassMiscanthus sacchariflorus
(also covers Miscanthus x giganteus, a hybrid of M. sacchariflorus and M. sinensis)
porcelain-berry; Amur peppervineAmpelopsis brevipedunculata
purple loosestrifeLythrum salicaria
red riceOryza punctata
reed canary-grass, ribbon grassPhalaris arundinacea
Scotch broomCytisus scoparius
serrated tussockNassella trichotoma
sessile joyweedAlternanthera sessilis
spotted knapweedCentaurea biebersteinii; C. stoebe ssp. micranthos
sycamore mapleAcer pseudoplatanus
tall mannagrass; reed mannagrassGlyceria maxima
tansy ragwort; stinking WillieSenecio jacobaea
Tatarian honeysuckleLonicera tatarica
three-cornered jackEmex australis
tornilloProsopis reptans
tree of heavenAilanthus altissima
tropical soda appleSolanum viarum
turkeyberrySolanum torvum
variable water-milfoil; two-leaved water-milfoilMyriophyllum heterophyllum
velvet fingergrassDigitaria velutina
velvet mesquiteProsopis velutina
wall-lettuce*Mycelis muralis*
water yellowcress; great yellowcressRorippa amphibia
water chestnutTrapa natans
water spinach
Permit required - contact Department
Ipomoea aquatica
Permit required - contact Department
weeping lovegrassEragrostis curvula
wetland nightshadeSolanum tampicense
wild blackberry complexRubus fruticosus
wild blackberryRubus moluccanus
wild chervilAnthriscus sylvestris
wild safflower; jeweled distaff thistleCarthamus oxyacanthus; C. oxycantha
wild sugarcaneSaccharum spontaneum
wineberry; Japanese wineberry; wine raspberryRubus phoenicolasius
witchweedStriga spp.
wormleaf salsolaSalsola vermiculata
yellow floating heartNymphoides peltata
yellow IrisIris pseudacorus

*Phase-out period for newly listed prohibited species:

Once a species is added to the Prohibited Plant List, nursery agents/growers may no longer receive or begin propagation of those species. Existing stock is subject to a phase-out period according to the following schedule:

  • Pinus thunbergii (Japanese Black Pine): No imports, acquiring of new stock, or propagation as of 09/19/2024; No sales permitted after 12/31/2025
  • Mycelis muralis (wall-lettuce): No imports, acquiring of new stock, or propagation as of 09/19/2024; No sales permitted after 12/31/2025 
  • Pyrus calleryana (Callery pear/Bradford pear): No imports, acquiring of new stock, or propagation as of 09/19/2024; No sales permitted after 12/31/2028

Contact   for Massachusetts Prohibited Plant List

Last updated: January 8, 2025

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