All Day

Urban Tree Summit

Silver Spring Civic Center One Veterans Place, Silver Spring

(DC) (MD) (VA) (Casey Trees) Casey Trees and Montgomery Parks present the 13th annual Urban Tree Summit (UTS). Conference presentations will focus on the health and welfare of trees in our increasingly developed landscapes. We encourage all arborists, landscape industry and environmental/green industry professionals, engineers, designers, housing developers, and interested citizens to take advantage of this opportunity to learn from experts, ...

$49 – $150

Dyke Marsh Butterfly and Dragonfly Survey

Dyke Marsh Wildlife Preserve Alexandria

(VA) (Northern Virginia Bird Alliance) Butterfly and dragonfly surveys are carried out in temperate months (April-October), normally on Friday mornings, at one of four sites around Occoquan Bay, all within the 15-mile diameter circle established for the annual North American Butterfly Association's Annual Count. The results of these surveys are made available to the participants and other interested individuals and ...

Free

Twilight Concert at Brookside

Brookside Gardens 1800 Glenallan Ave, Wheaton

(MD) (Montgomery Parks) Join us each Wednesday evening in September for a series of musical performances set in the beauty of the Gardens! Admission is free, and no registration is required. Bring your friends and family, and don’t forget your chairs, blankets, and picnics (allowed in the Gardens on concert evenings only). Alcoholic beverages of any kind are prohibited. Food ...

Free
Capital Nature