Boulder County Assessor’s Office will be closed Thursday, Nov. 30. The offices will reopen Monday, Dec. 4.

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Invasives! Noxious Weeds of Boulder County


Join volunteer naturalists on a short hike and explore the world of noxious weeds. Learn which ones can be found across Boulder County and even in your backyard. We'll share identification tips and how different species are managed.

Near Longmont. Location provided when registered.

Registration required.


Registration is required through Discover Boulder County, Parks & Open Space’s volunteer and event registration system. If you’re new to the system, you’ll need to create an account. But it’s easy and we only use your contact information to communicate about events you register for. We will never sell or give your information to a third party.

Event Details

Start dateJuly 27, 2022 1:00 pmEnd dateJuly 27, 2022 3:00 pmCalendarHikes & Events, Parks & Open SpaceGoogle Calendar

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