The Montgomery County Department of Environmental Protection will host the 11th Annual GreenFest on Saturday, April 25, 2026, from 11am to 4pm at the BlackRock Center for the Arts in Germantown. The free, family-friendly event is the county's largest environmental festival, featuring electric vehicle displays, tree giveaways, live music, food trucks, and sustainability information from local businesses and county agencies.
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Source: Montgomery County, MD, “Happy Earth Day!”, received Apr 24, 2026.
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Key dates
2026-04-25
event — 11th Annual Montgomery County GreenFest, 11am–4pm
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