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Support the No Ivy League

By Dennis Vieira / October 21, 2023

A program led by the City of Portland that since 1994 has worked to empower youth, educate the public, and remove English ivy from Portland’s parks

Report a weed!

By Dennis Vieira / October 21, 2023

A webpage by East Multnomah Soil & Water Conservation District outlining which weeds to report and how to do it

The Silent Invasion

By Dennis Vieira / October 21, 2023

A documentary by OPB about noxious weeds.

Removing Tree Ivy 101

By Dennis Vieira / October 21, 2023

A short video by Tryon Creek Watershed Council on how to remove tree ivy

Weed removal videos

By Dennis Vieira / October 21, 2023

Short videos by WMSWCD on noxious weed ID & removal (i.e. blackberry, clematis, garlic mustard, holly, ivy, knotweed, spurge laurel, & scotch broom)

Urban Weeds presentation

By Dennis Vieira / October 21, 2023

Recorded presentation (2 hours) by EMSWCD about how to identify and remove common weeds (many of them on BHCP’s priority noxious weed list). Complete the registration form to receive a link…

Weedwise

By Dennis Vieira / October 21, 2023

A program and website by Clackamas Soil and Water Conservation District, packed with valuable information.

Urban Weeds

By Dennis Vieira / October 21, 2023

A website by East Multnomah Soil & Water Conservation District’s with extensive info on nuisance urban weeds

Noxious Weed Information and Services

By Dennis Vieira / October 21, 2023

A website by King County about noxious weed identification and control

Invasive Species

By Dennis Vieira / October 21, 2023

A website, complete with informational videos and articles on noxious weeds, by West Multnomah Soil and Water Conservation District

Invasive Plants Poster

By Dennis Vieira / October 21, 2023

A noxious weeds poster by City of Portland

Tualatin SWCD Weed & Pest Directory

By Dennis Vieira / October 21, 2023

East Multnomah Soil and Water Conservation District 

By Dennis Vieira / October 21, 2023

Clark Conservation District

By Dennis Vieira / October 21, 2023

Clackamas Soil and Water Conservation District

By Dennis Vieira / October 21, 2023

4-County CWMA

By Dennis Vieira / October 21, 2023

A website with extensive resources on area noxious weeds

A large tree in a park with colorful leaves.

Norway Maple (> 20 ft.)

By Dennis Vieira / October 21, 2023
A green tree with a blue sky in the background.

Tree of Heaven (> 20 ft.)

By Dennis Vieira / October 21, 2023
A tree with green leaves in front of a building.

English Holly (> 20 ft.)

By Dennis Vieira / October 21, 2023
A white flowering tree on the side of a path.

English Hawthorn (> 20 ft.)

By Dennis Vieira / October 21, 2023