Resource Library

This page provides links to resources to help anyone create habitat. Use the search bar below and filters on the left to find information on specific topics.

Topics
Filter By Type
Invasive Weeds by Certification Level
Available Languages
Friends of Backyard Habitats Facebook Group
Landscape Professional Directory
Annual Native Plant Discount Flyer

Search results

4-County CWMA

A website with extensive resources on area noxious weeds

Lush greenery of various plants and trees is overgrown, with ivy covering tree trunks. A prominent sign in Spanish reads, "Ayude a detener a las plantas invasoras," translating to "Help stop invasive plants.
Ayude a detener a las plantas invasoras

Todas las plantas afectan su entorno. Las plantas invasoras que no son nativas de esta área pueden dañar la infraestructura, la salud de las personas, los recursos naturales y el hábitat.

A dense growth of green plants covers a forested area. A large sign with a green background and yellow border in the foreground reads, "Invasive Plants." Below it, a yellow bar with black text reads, "Help Stop.
BES' Help Stop Invasive Plants Poster

Plants that are not native to our area reproduce rapidly and can spread quickly from yards and roadsides into parks and natural areas. Once there, they can inhibit the establishment of native plants. The city is working to control plants not native to our ecosystem, and Portland residents can help by identifying and managing them in their own yards.

White flowers on a tree.
Black Locust (< 20 ft.)
A tree with green leaves and white flowers.
Black Locust (> 20 ft.)
Ferns growing on a rock in the woods.
Blackberry (Armenian/Himalayan/Evergreen)
Purple flowers on a plant with green leaves.
Butterfly Bush
A yellow flower on a green leaf.
Creeping Jenny or Moneywort
A white flower on a stem against a black background.
Diffuse Knapweed
A close-up image of an emerald ash borer beetle on a leaf. The beetle has a metallic green body with an elongated shape and is perched on the textured surface of the green leaf.
Emerald Ash Borer (EAB) in Oregon

Report, access resources, and view local information and maps on EAB.

Red berries on a branch with green leaves.
English Hawthorn (< 20 ft.)
A white flowering tree on the side of a path.
English Hawthorn (> 20 ft.)
Friends of Backyard Habitats Facebook Group
Landscape Professional Directory
Annual Native Plant Discount Flyer