Invasive Species Control
Here are some good resources to help manage the most common invasive plants found in McHenry County.
If there are additional species that you think should be included, email gmaki@conservemc.org!
Buckthorn
Photo credit: Mary Crickmore, iNaturalist
Garden Valerian
Photo credit: pobrito, iNaturalist
USFS Garden Valerian Brochure
Garlic Mustard
Photo credit: Tom Lazar, iNaturalist
Honeysuckle
Photo credit: Séraphin Poudrier, iNaturalist
Japanese Barberry
Photo credit: Surly Aardvark, iNaturalist
Leafy Spurge
Photo credit: Tomas Pocius, iNaturalist
Mullein
Photo credit: Sheilasun, iNaturalist
Multiflora Rose
Photo credit: ctb, iNaturalist
Oriental Bittersweet
Photo credit: Ira Gershenhorn, iNaturalist
Phragmites
Photo credit: University of Illinois Extension
Poison Hemlock
Photo credit: k2018lena, iNaturalist
Purple Loosestrife
Photo credit: Ian Whyte, iNaturalist
Reed Canary Grass
Photo credit: Michael W. Belitz, iNaturalist
Spotted Knapweed
Photo credit: Andy Kleinhesselink, iNaturalist
Sweet Clover
Photo credit: Mary Crickmore, iNaturalist
Teasel
Photo credit: U of I Extension
Thistle
Photo credit: Craig Martin, iNaturalist
Wild Parsnip
Photo credit: Mary Crickmore, iNaturalist