Invasive Species Removal Projects

For many years MNPS has co-sponsored invasive removal at Chapman Forest and Ruth Swann Park, supervised by Marc Imlay. 

Chapman Forest and Ruth Swann Park, Charles County

Sponsoring Organizations: MNPS, Sierra Club, Chapman Forest Foundation

Dates and Times: Usually the first Sundays and following Saturday, monthly, 10:00am – 4:00pm. Contact Marc, ialm @, for information about specific days.

There are about 3,000 native plant species in Maryland, with 800 at Chapman Forest and contiguous Swann Park, 49 of which are endangered.

Help remove invasive non-natives from the 200-acre Swann Park and 800-acre portion of Chapman Forest designated Chapman State Park. There will be time for plant identification and a beautiful beach lunch. Learn about best season for species, wet soil condition for pulling, extent of area of natives seen rescued, delayed gratification, targeted use of herbicides, and matching funds for staff to do what volunteers find hard to do.

Read A Survey of Rare Natural Heritage Resources Along Three Trails at Chapman State Park, Charles County, Maryland, by Roderick Simmons (PDF, ~1.56 MB).

The Sierra Club of Maryland maintains a list of ongoing projects sponsored by many organizations.

Latest Invaders
About Invasives
Before and After Photos

Project Descriptions (May be outdated - Please check the Sierra Club website.)

You are advised to check with the contact person for the project before heading out to the site to be sure the activity is still scheduled.

Upcoming events

    • 03 May 2014
    • 2:30 PM - 4:30 PM
    • Piney Run Nature Center, Sykesville, MD
    Weed Warrior Training
    May 3, 2014
    Sponsored by Carroll County Forest Conservancy District Board and the Carroll County Master Gardeners

    Become a weed warrior!  Enjoy nature!  Get exercise!  Help wildlife!  Earn student service hours!

    After the loss of habitat, the spread of invasive non-native plants is the biggest threat to our native plants and the native critters that depend on them. Join the Carroll County Weed Warriors and help us remove these invasive weeds from our nature centers.

    The Carroll County Forest Conservancy District Board and the Carroll County Master Gardeners are offering free training on the identification and removal of invasive non-native plants.  Those who complete the training will receive a Weed Warriors identification card and will be put on an email list to notify you of weeding opportunities at Bear Branch Nature Center/Hashawha Environmental Center, Piney Run Nature Center, and other public sites.  Students will receive student service hours for both the 3 hours of training and for each of the 3-hour weeding sessions.

    Free training information:

    Where:  Piney Run Nature Center building, 30 Martz Road, Sykesville, MD 21784

    When:  Saturday, May 3, 2014, 2:30 to 4:30 pm

    What:  The training consists of a one-hour online course to take at home before the two-hour field training on May 3, 2014.

    How to register:  Email by April 29 to either register for the May 3 class or to be notified of future classes.


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