Where to see Japanese knotweed in US

Botanical Garden50 species

Michigan, US

Arden Park–East Boston Historic District

Architecture and Detroit History

You might spot Eastern Gray Squirrel, Tree-Of-Heaven, and House Sparrow.

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Massachusetts, US

Arnold Arboretum

Botanical Garden, Urban Oasis, Research Institution, Historic Landmark, Free Admission, Walking Trails, Wildlife Viewing, Horticultural Collections, Wheelchair Accessible, Family Friendly.

You might spot Eastern Cottontail and American Robin.

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Rhode Island, US

Ashton Historic District

Architectural History and Blackstone River Valley

You might spot Common Mugwort, Duck, and Azure Bluet.

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Rhode Island, US

Barrington Civic Center Historic District

Architecture and Cemetery

You might spot Common Eastern Bumble Bee and Osprey.

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Nature Reserve1 sightings50 species

Rhode Island, US

Bellevue Avenue Historic District

Architecture and Coastal Views

You might spot Rugosa Rose and American Herring Gull.

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Ohio, US

Blackhand Gorge State Nature Preserve

Biking and Bird Watching

You might spot Large White Trillium, Fire Pink, and Christmas Fern.

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Rhode Island, US

Blackstone Boulevard–Cole Avenue–Grotto Avenue Historic District

Architecture and Historic District

You might spot Spotted Lanternfly, Duck, and American Robin.

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Neighborhood50 species

District of Columbia, US

Bloomingdale

Community Park and Family Friendly

You might spot Eastern Gray Squirrel, Duck, and House Sparrow.

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Vermont, US

Brattleboro Downtown Historic District

Art Galleries and Cultural Events

You might spot Asian Bittersweet, Alder Buckthorn, and Eastern Newt.

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Vermont, US

Bristol Downtown Historic District

Architecture and Cultural Heritage

You might spot Japanese Knotweed and Red-Bellied Woodpecker.

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Botanical Garden1 sightings50 species

Rhode Island, US

Broadway-Armory Historic District

Architectural Walking Tour and Historic District

You might spot Spotted Lanternfly, Duck, and American Robin.

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New York, US

Brooklyn Botanic Garden

Botanical Garden and Cherry Blossoms

You might spot American Robin, Pond Slider, and Northern Cardinal.

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Connecticut, US

Capen-Clark Historic District

Architecture and Connecticut

You might spot American Robin, Eastern Poison Ivy, and Duck.

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Maine, US

Carriage Paths, Bridges and Gatehouses

Accessible Trails and Biking

You might spot American Bullfrog and Three-Toothed Cinquefoil.

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Park50 species

New Jersey, US

Cedar Brook Park

Family Friendly and Fishing

You might spot White-Tailed Deer and Eastern Gray Squirrel.

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Nature Reserve2 sightings50 species

New York, US

Cedarmere-Clayton Estates

Gardens and Historic Estate

You might spot Common Eastern Bumble Bee and American Robin.

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Massachusetts, US

Chesterfield Gorge

Fall Foliage and Family Friendly

You might spot Mountain Laurel, Azure Bluet, and Partridgeberry.

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Botanical Garden1 sightings50 species

Massachusetts, US

Chestnut Street District

Architectural Marvels and Cultural Heritage

You might spot Common Eastern Bumble Bee and Asian Lady Beetle.

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Neighborhood50 species

District of Columbia, US

Cleveland Park

Architectural Tours and Cherry Blossoms (seasonal)

You might spot Spotted Lanternfly and Eastern Gray Squirrel.

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Connecticut College Arboretum place preview

Connecticut, US

Connecticut College Arboretum

Botanical Garden and Dog Friendly

You might spot Common Mugwort and Canada Goose.

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Vermont, US

Currier Park Historic District

Architectural History and Barre Vermont

You might spot Eastern White Pine, Staghorn Sumac, and Box Elder.

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Rhode Island, US

Customhouse Historic District

Architecture and Commercial History.

You might spot Spotted Lanternfly, American Robin, and Duck.

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Rhode Island, US

Davisville Historic District

18th Century and 19th Century

You might spot Common Eastern Bumble Bee and Asian Lady Beetle.

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Connecticut, US

Dayville Historic District

19th Century and Architecture

You might spot Hay-Scented Fern, Canada Mayflower, and Wood Frog.

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Park50 species

New Hampshire, US

Derryfield Park

Hiking, Family Friendly, Wildlife Watching, Birdwatching, Historical Site, Playground, Sports Facilities, Dog Friendly, Cross Country Running, Wheelchair Accessible

You might spot Eastern White Pine, Eastern Skunk Cabbage, and Duck.

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Rhode Island, US

Downtown Providence Historic District

Architectural and Art Deco

You might spot Spotted Lanternfly, American Robin, and Duck.

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Botanical Garden1 sightings50 species

Massachusetts, US

Drumlin Farm Wildlife Sanctuary

Accessible and Bird Watching

You might spot Turkey, Garter Snake, and Multiflora Rose.

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New Jersey, US

Duke Gardens

Accessible and Biking

You might spot Monarch, Great Blue Heron, and American Robin.

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Park50 species

Ohio, US

Forest Hill Park

Accessible and Bird Watching

You might spot Duck, Canada Goose, and Muscovy Duck.

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National Park1 sightings50 species

Connecticut, US

Glastonbury Historic District

Architecture and Colonial Homes

You might spot Garlic Mustard and Common Eastern Bumble Bee.

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Maryland, US

Glen Echo Park

Arts And Culture and Carousel

You might spot Common Pawpaw and Feather-Edged Petrophila.

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Maine, US

Harraseeket Historic District

Coastal Heritage and Freeport Maine

You might spot Ghost Pipe, Pink Lady's Slipper, and Bluebead Lily.

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Connecticut, US

Hempstead Historic District

19th Century and Abolitionist History

You might spot Common Mugwort, Canada Goose, and American Herring Gull.

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Pennsylvania, US

Historic Moravian Bethlehem Historic District

American History. and Colonial Architecture

You might spot Tree-Of-Heaven, Spotted Lanternfly, and American Tuliptree.

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Rhode Island, US

India Point Park

Accessible and Biking

You might spot Spotted Lanternfly, Duck, and American Robin.

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New York, US

Jumel Terrace Historic District

Architecture and Cultural Heritage

You might spot White Snakeroot, Common Mugwort, and Eastern Gray Squirrel.

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Botanical Garden50 species

District of Columbia, US

Lafayette Square Historic District

Downtown Dc and Historic Park

You might spot Eastern Gray Squirrel, Spotted Lanternfly, and Duck.

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Pennsylvania, US

McDade Park

Accessible and Arboretum

You might spot Spotted Lanternfly and Japanese Knotweed.

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Nature Reserve2 sightings50 species

Massachusetts, US

Mystic River Reservation

Bird Watching and Cycling

You might spot Common Eastern Bumble Bee, Bee, and American Robin.

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Rhode Island, US

Norman Bird Sanctuary

Bird Watching and Coastal Views

You might spot Great Blue Heron, Painted Turtle, and Sensitive Fern.

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Park2 sightings50 species

Pennsylvania, US

North Park

Hiking, Biking, Kayaking, Fishing, Family Friendly, Wildlife Watching, Accessible, Dog Friendly, Nature Center, Recreation, Boating, Picnicking.

You might spot White-Tailed Deer, Eastern Skunk Cabbage, and Canada Goose.

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Nature Reserve1 sightings50 species

North and South Brother Islands

Abandoned Places and Bird Watching

You might spot Common Mugwort, Common Milkweed, and White Snakeroot.

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Ocean Drive Historic District

Architecture and Coastal Views

You might spot Rugosa Rose and American Herring Gull.

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Park1 sightings50 species

Michigan, US

Piquette Avenue Industrial Historic District

Accessible and Automotive History

You might spot Eastern Gray Squirrel, Rock Pigeon, and House Sparrow.

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Virginia, US

Popes Head Park

Hiking, Nature, Wildlife, Birdwatching, History, Interpretive Trail, Wetlands, Woodlands, Family Friendly, Scenic Views

You might spot Eastern Gray Squirrel and Spotted Lanternfly.

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Rhode Island, US

Prospect Terrace Park

City Skyline and Historic Site

You might spot Spotted Lanternfly and American Robin.

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Vermont, US

Randolph Center Historic District

Architectural Heritage and Federal Architecture

You might spot Northern Cardinal, Wood Frog, and White-Breasted Nuthatch.

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