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What FOSC does

Friends of Sligo Creek (FOSC) offers events year round in support and appreciation of Sligo Creek and adjacent parkland. Litter clean-up and invasive plant clear-out events are among the most popular FOSC activities in the spring, summer and fall. FOSC also sponsors guided outdoor explorations of different aspects of Sligo Creek flora and fauna. A wide variety of other programs throughout the year educate neighbors and users of the park about Sligo Creek’s strengths and challenges. FOSC also monitors the creek, advocating for civic policies that will support a healthier Sligo.

FOSC invites you to visit the creek, volunteer at an upcoming event, attend a program, advocate for the Creek, and join FOSC.

The Sligo Garden Program is back!

The Sligo Garden Program 2024 Garden Kits and Design Consultations (sold out) will be available for purchase for the Fall 2024 season starting June 10. For more info, see the Sligo Garden Program page under the Stormwater tab above.

Weed Warrior event
Sun, June 16 at 1:00pm

Join James Gulley and other weed warriors at Long Branch at the footbridge at Domer and Garland Avenue, south of Piney Branch. We’ll tackle NNIs, especially porcelainberry. Bring loppers, pruners or a folding saw.

If you are not a Weed Warrior, we welcome you too, but please sign up at the Parks Dept website.

National Pollinator Week Presentation: Nurturing Native Bees in the Takoma Park Area and How Your Yard Can Support Them

Tues, June 18 at 7:00pm in person and via Zoom

The City of Takoma Park is presenting this talk by Sam Droege, wildlife biologist at the USGS Eastern Ecological Science Center and the Bee Lab.

The talk will be in person at the Takoma Park Community Center, 7500 Maple Ave, as well as online. For the online meeting, register at this link.

Check out this link for Quick Background on Mid-Atlantic Bees by the Bee Lab.

University Blvd. Corridor Plan presentation/discussion

Tues, June 25 at 7:00pm via ZoomHere is the Zoom link

Please join a special FOSC/ Montgomery Planning discussion on the upcoming University Boulevard Corridor (UBC) plan. We will listen and then weigh in on both the problems and the proposed solutions.

Many environmental issues are to be addressed in the plan, including heat island problems along the route, stormwater runoff, and pedestrian safety. Possible solutions include adding more trees, adding RainScapes projects, and additional/improved walking and biking access, including getting to Sligo Creek.

The plan area is centered on a three-mile stretch of University Boulevard (MD 193) from East Indian Spring Drive (just south of I-495) to Amherst Ave. in Wheaton.

News & Updates

President’s Day Sweeps pulled a huge amount of litter from Sligo

Mini-sweeps at 3 trash hot spots yielded an impressive amount of trash from the creeks over the President's Day weekend. Altogether, 101 volunteers hauled 118 bags of trash, [...]

Faring well? Sligo and Long Branch in a warming climate

Faring well? Sligo and Long Branch in a warming climate How healthy are Sligo, Long Branch and NW Branch? The Water Quality Committee of FOSC invites you [...]

Join FOSC

FOSC logo

Sligo Creek connects us. Please join FOSC and help protect and restore the Creek for everyone in our community. It’s simple to do and can be free if you wish. Membership gives you early notice of events and the FOSC newsletter.

You can make a donation too, either online (simple and secure) or by check to FOSC, P.O. Box 11572, Takoma Park, MD 20913. Thank you!

FOSC Action Hub

Sligo Creek Water WatchDog mascot

Report water pollution ASAP!
Send an email to:
[email protected]

You play an important role protecting Sligo. Please report any pollution you see in the creek or heading into a storm drain ASAP, with photos, which help County investigators find and fine the pollutors.

A lone duck swimming in polluted water in between sewer pipes crossing the stream.

A lone duck swims in polluted water between sewer pipes crossing Brashears run near Maple Ave. in March 2024. (Sally Taber photo)

Spring 2024 Top Invasives

 Invasive: Italian Arum

Italian Arum is back in force around Sligo Creek and Long Branch. One of the EDRR (Early Detection, Rapid Response) invasive species, it has many little “daughter” corms attached to its main corm which makes it difficult to remove completely. Dig it out carefully. Screen the loosened soil for small “daughter” corms. There is some evidence that spraying with glyphosate is effective at killing all its corms.

FOSC Videos

See many more on the FOSC Youtube Channel

 FOSC on iNaturalist

Pine Siskins at Wheaton Branch Ponds by Stephen Davies

Heard about FOSC on iNaturalist.org but uncertain how to navigate the site or contribute your own observations? Expert birder and iNaturalist… Read more

FOSC on YouTube

Support FOSC

Donate to Friends of Sligo Creek

FOSC on Facebook

Get Involved

  • Participate in your community
  • Meet your neighbors
  • Improve your surroundings
  • Enhance your skill set
  • Advocate for the Creek
  • Arrange a group activity for your club or group
  • Receive the monthly eNewsletter
  • Get early notice of events and special opportunities
  • Have your name forwarded to your Section Steward for hands-on events
  • Contribute to special projects
  • Fund outdoor events, expert talks, equipment for invasive plant/litter removal, the kiosks in the park, water quality testing, and more
  • Support FOSC’s outreach to schools, civic groups, and all communities
  • Tell us about your experience at a FOSC event
  • Suggest an activity
  • Voice your concern about an environmental issue
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