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Invasives: The Noxious Weeds of Boulder County


Myrtle spurge, purple loosestrife, and orange hawkweed are some of the county’s most wanted. Join volunteer naturalists on a short hike and explore the world of noxious weeds and which ones can be found across Boulder County’s open space, roadways, and backyards. Learn Identification tips and tricks and how different species are managed on a large and small scale and what you can do to help.

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 dateAugust 5, 2023 9:00 amEnd dateAugust 5, 2023 11:00 amCalendarHikes & Events, Parks & Open SpaceGoogle Calendar

Organizer Details

OrganizerCarlos LermaPhone303-678-6214Emailclerma@bouldercounty.gov