• Growing Orchids at Home

    Smithsonian National Museum of African American History and Culture 1400 Constitution Ave. NW, Washington, DC

    (DC) (US Botanic Garden) Meet an orchid expert from Smithsonian Gardens or the United States Botanic Garden and learn more about this incredible plant family! This week, USBG Gardener (Advanced) George Guenthner will share tips for caring for orchids at home, including how to repot an orchid. Drop in at any time during the program and be sure to bring ...

  • Our Watershed

    Tenleytown Library 4450 Wisconsin Ave NW, Washington, DC, United States

    (DC) (Rock Creek Conservancy) Join Stream Team Leaders Kathy Sykes and Andrea Contreras for an engaging presentation on the Lower Rock Creek watershed and why its health matters to our community. This talk will explore what a watershed is, how everyday activities impact local streams, and the key indicators of a healthy watershed—from salt and bacteria levels to biodiversity and ...

  • Evolution of the Bird Brain (Virtual)

    (MD) (Natural History Society of Maryland) This talk explores the Mesozoic origin of avian flight from the perspective of the dinosaurian brain. Fossil reconstructions will be integrated with advanced imaging to test hypotheses on how the brain of theropods met the sensory and motor changes of this rare and radical behavioral innovation. Amy Balanoff is an assistant professor in the ...

    Free – $5
  • National Cherry Blossom Festival

    (DC)(MD)(VA) The four-week festival celebrates the enduring friendship between the people of the United States and Japan and the beauty of DC's iconic cherry blossom trees with diverse and creative programming. Events will be happening throughout the DC metro area.

  • Fruit to Poop: A Seed’s Journey

    US Botanic Garden 100 Maryland Ave SW, Washington DC, United States

    (DC) (US Botanic Garden) What's the connection between fruit and poop? Join Lilly Andersen, USBG Family Education Specialist, and and USBG volunteers to explore how plants and animals help each other and the relationship between plants making fruit and animals eating that fruit. Think and learn about what makes a fruit a fruit, why fruits tend to taste sweet, and ...

  • Invasive Plants Removal at Dyke Marsh

    Dyke Marsh Alexandria, VA, United States

    (VA) (Friends of Dyke Marsh) Help protect native plants by pulling and clipping invasive plants. We will train volunteers to identify the five or so target plants. We kindly ask that you not bring pets. Invasive plants can threaten and outcompete native plants. Bring gloves, hand clippers and water. We will supply instructions, examples and trash bags.

  • Invasive Plant Removal at 630 East

    Reservation 630 East 2801 Quebec Street Northwest, Washington

    (DC) (Rock Creek Conservancy) Join Rock Creek Conservancy and Weed Warrior leader Rena Subotnik or this invasive plant removal restoration event in Rock Creek Park. Invasive plants are a major threat to our fragile forests, and stopping their spread helps allow native plants to thrive in the understory. Event location, directions, and information will be sent from the event leader ...

  • Invasive Plant Removal at Broad Branch

    (DC) (Rock Creek Conservancy) Join Rock Creek Conservancy and the National Park Service for this invasive plant removal restoration event in Rock Creek Park. Invasive plants are a major threat to our fragile forests, and stopping their spread helps allow native plants to thrive in the understory. Event location, directions, and information will be sent from the event leader 48 ...