Calendar of Events

If you know of any events of interest please reach out to calendar@onemontgomerygreen.org

National Arboretum Native Plant Sale

National Arboretum 3501 New York Ave NE, Washington, DC, United States

National Arboretum NATIVE PLANT SALE (and LAHR Symposium) at the 2400 R Street NE entrance  Washington, DC 20002 Saturday, March 25, 2023, 8:15 a.m. –2 p.m. Where: Meadow Road, adjacent to the National Herb Garden Vendors from across the mid-Atlantic selling spring ephemerals and many other choice perennials and woody plants. Registration is helpful but not […]

2023 Rock Creek Extreme Cleanup Community Day

The 2023 Rock Creek Extreme Cleanup will be a month-long extravaganza in April, anchored by a Community Day on Saturday, April 15. Cleanup events will be hosted throughout the entirety of the Rock Creek watershed, with volunteers across the watershed participating in litter cleanup events lasting 2-3 hours, helping to keep Rock Creek clean from the most […]

Isaak Walton League of America Meadow Tour

Isaak Walton League of America Meadow 707 Conservation Ln, Gaithersburg, MD, United States

Please join us for a Meadow Tour! When: Saturday, Oct. 7, 2023 at 9:30am Where: Izaak Walton League of America Meadow, 707 Conservation Ln, Gaithersburg, MD 20878 Would you like to know how to transition larger areas of turf to a gorgeous low-maintenance meadow? This is a FREE event courtesy of the Muddy Branch Alliance Lands Green Waters Clean program. […]

Intro to tree ID with Tomorrow’s Trees: A City Nature Challenge Event

Wheaton Regional Park 2000 Shorefield Drive, Wheaton, MD, United States

Intro to tree ID with Tomorrow’s Trees: A City Nature Challenge Event Sunday, April 28 · 2:30 - 4pm Wheaton Regional Park, 2000 Shorefield Road Silver Spring, MD 20902 Learn more about making tree and nature IDs and using the iNaturalist App at one of our favorite local parks. We will be gathering at Wheaton Regional […]

Muddy Branch Alliance Annual Community Meeting

Izaak Walton League of American Headquarters 707 Conservation Lane, Gaithersburg, MD, United States

Muddy Branch Alliance Annual Community Meeting! Saturday, June 15th at 12:30pm We'll be meeting at the beautiful Izaak Walton League in Gaithersburg to celebrate 13 years of Muddy Branch Alliance. In addition to a tour of our native plant meadow and a stream monitoring demonstration, there will be Q&A with Gaithersburg environmental program staff to learn about […]

Muddy Branch Alliance Photography Workshop

Potomac Horse Center (Quince Orchard Trailhead) 14211 Quince Orchard Rd, Gaithersburg, MD, United States

Join us for a Muddy Branch Alliance Photography Workshop Join us for a short walk with award-winning wildlife photographer Ben Salb as he demonstrates his processes to locate, photograph, and identify insects and spiders along the Muddy Branch Trail. Attendees can be of all photographic skill levels, and no photographic equipment is required. Being out in nature […]

DC EcoWomen Guided Hike Through Kenilworth Park & Aquatic Gardens

Kenilworth Aquatic Gardens 1550 Anacostia Ave Northeast, Washington, DC, United States

Join DC EcoWomen and reptile and amphibian expert, Dr. Caroline Seitz, for an exciting hike through Kenilworth Park & Aquatic Gardens. Participants will meet at the Visitor Center before embarking on a ~2.6-mile hike through the gardens and along the Anacostia River Trail. Don't miss this opportunity to learn about the fascinating reptile and amphibian species […]