• What Trees Remember: Climate, Water, and Change (Virtual)

    (MD) (Natural History Society of Maryland) Trees are invaluable record-keepers of the past. Since their annual growth is intrinsically related to a combination of environmental factors, tree ring data can be used like a Rosetta Stone. Dr. Karen King will demonstrate how her research in biogeography and climate change is informed by tree-ring data. We will focus on regional examples from western Maryland to learn what tree rings ...

    Free – $5
  • Trees & Shrubs for Compact Gardens (Virtual)

    (MD) (Montgomery Parks) Discover the possibilities of planting small trees and large shrubs in compact urban or suburban spaces with Kathy Jentz, author of The Urban Garden, editor and publisher of Washington Gardener Magazine. Tailored for the Mid-Atlantic, this selection includes natives, edibles, and hardy ornamentals that thrive in heat, pollution, and urban stress—from full sun to deep shade. Even ...

    $15
  • Spring Forest Bathing and Tree Walk at Tregaron

    Tregaron Conservancy 3031 Klingle Road NW, Washington, DC, United States

    (DC) (Politics & Prose) Join Melanie Choukas-Bradley, author of Wild Walking—A Guide to Forest Bathing Through the Seasons, The Joy of Forest Bathing, A Year in Rock Creek Park, and several other nature books for a magical spring forest bathing walk through the enchanting Tregaron Conservancy, a woodland garden tucked away in the midst of northwest Washington that has been ...

  • Roots to Rocks Mountain Biking 55+

    Black Hill Regional Park 20926 Lake Ridge Dr, Boyds, MD, United States

    (MD) (Montgomery Parks) Join the Roots to Rocks team for a mountain bike ride exclusively for folks 55+. Our instructors will go over the basics of bikes and bike handling skills in a supportive environment. These rides are great for people who have some riding experience, but you don’t need to be a seasoned veteran. This is a perfect way ...

  • Jazz in the Garden

    National Gallery of Art Sculpture Garden 7th Street & Constitution Ave. NW, Washington, DC, United States

    (DC) (National Gallery of Art) Travel across the country through music, exploring our many traditions—from Appalachian and Americana to Creole jazz, Hill Country blues, contemporary jazz, and more for the nation’s 250th anniversary. Every Friday through August 14 (except June 5 and July 3). Pre-show dance classes on May 22 and 29, June 12, and July 24. Event registration through ...

  • Invasive Plants Removal at Potomac Overlook

    Potomac Overlook Regional Park 2845 N. Marcey Road, Arlington, VA, United States

    (VA) (Arlington Parks) (NOVA Parks) Join us at Potomac Overlook to Improve habitat, meet fellow do-gooders, get exercise, and learn about native plants and wildlife all while making a difference in the great outdoors! Adults, teens, and families ages 8 and up. If you have your own garden gloves and tools, please bring them along. If not, they will be ...

  • Neighborhood Invasive Vine Removal in Hillcrest

    Hillcrest Rec Center 3100 Denver St. SE, Washington, DC, United States

    (DC) (Casey Trees) Join Meredith from CCAN to remove Invasive Vines around the Hillcrest neighborhood in Washington DC. We will meet at the Hillcrest Rec Center and spend 30 minutes doing training. From there we will break into pairs and head to a list of pre-surveyed residences in the area to offer vine removal for residents. We may also drop ...

  • Tree Tour in Marvin Gaye Park

    Marvin Gaye Park 5200 Foote St NE, Washington, DC, United States

    (DC) (Casey Trees) Take a tour of the trees in the longest continuous city park and creek in the District. On this two-hour walk, DC urban forester Alexander Grieve will highlight diverse tree species in the park — including oak, tulip, and elm — and their unique characteristics and vital contributions to our ecosystem. Along the way, you’ll learn how ...