Major Concerns

 

Winged Wahoo or Burning Bush: Shrub 3-6′ in woodland, “wings” of bark on branches.

Problem: Shades out native wildflowers
Solution: Pull out small shrubs. Cut brush and treat stumps with 20% active ingredient such as “Round-up” type herbicide. July – March ideal.

Garlic Mustard: White blooming flower in woodland, usually 6-24”.
Problem: Shades out native wildflowers and alters soil chemistry.
Solution: Pull out by hand, March – May, spray 1-2% active ingredient such as “Round-up” type herbicide. November – early March

Asian Bittersweet: Orange seed pod with red berry on vines which are up to 6” in diameter.
Problem: Smothers and chokes trees and surrounding area.
Solution: Cut shrubs and treat stumps with “brush killer” type herbicide (triclopr and/or 2,4D) July – March.

Additional Concerns:

Autumn Olive

Barberry

English Ivy

Jetbead

Multiflora Rose

Norway Maple

Periwinkle/Myrtle

Reed Canary Grass

Siberian Elm

Tree of Heaven

EARTHWORMS

Norway Maple

Glossy Buckthorn: Round glossy leaves and dark black berries in wetland 3 – 10’.

Problem: Shades out native plants, dries out wetland, changes wetland chemistry
Solution: Cut and treat stumps with 20% a.i. “Round-up” type herbicide July – March – USE WETLAND APPROVED VERSION (i.e. Aquastar, Rodeo, Accord)

Purple Loosestrife: Purple flowers in wetland 3 – 6’.
Problem: Crowds out native plants, dries out wetland, changes wetland chemistry
Solution: Introduce biocontrol: Gallerucella beetles

Coming Soon:

Black Swallow-wort

Canada Thistle

Giant Hogweed

Giant Reed (Phragmites)

Japanese Knotweed

Japanese Stilt Grass

Mile-a-minute

Poison Hemlock

EMERALD ASH BORER

Current Invasive Species by Category

 

Trees:

Siberian Elm

Tree of Heaven

Norway Maple

Common Buckthorn

Flower:

James Rocket

Garlic Mustard

Purple Loosestrife

Shrubs:

Bell’s Honeysuckle

Glossy Buckthorn

Japanese Barberry

Jetbead

Morrow’s Honeysuckle

Multiflora Rose

Privet

Tartarian Honeysuckle

Winged Wahoo/Burning Bush

Vines/Ground Cover:

Asiatic Bittersweet

English Ivy

Periwinkle/Myrtle

Winter Creeper

Privet

Grass:

Reed Canarygrass

_________________

WATCH OUT FOR THESE THREATS!!!

Flower:

Giant Hogweed

Poison Hemlock

Canada Thistle

Mile-a-minute

Shrubs:

Autumn Olive

Vine / Ground Cover:

Black Swallow-wort

Pale Swallow-wort

Grass:

Giant Reed/Phragmites

Japanese Knotweed

Japanese Stilt Grass