Butterfly bush

Buddleja globosa, davidii

© Tom Forney, Oregon Department of Agriculture


© John M. Randall, The Nature Conservancy


Description

Perennial shrub with arching branches growing up to 15-feet tall. The showy flower spikes are often purple, and the leaves and stems are typically hairy. The leaves are also narrow, opposite, and green to blue-gray with toothed edges. It flowers mid to late summer.

Habitat

Disturbed areas, natural forests, riparian zones, urban areas, water courses, and wetlands

Distribution

Western Washington and Oregon

Impacts

Crowds out native species, alters soil nutrient concentrations, can cause erosion along rivers

Dispersal Methods

Wind, water, human activity

Prevention

Look for butterfly bush in disturbed areas, such as roadsides, abandoned railroad tracks, pastures, riverbanks, and recently logged forests. Prevention of establishment is achievable by revegetating disturbed sites with desirable species. Please select a non-invasive alternative for landscaping.

Listings

ODA

Factsheets

Washington State Noxious Weed Control Board Fact Sheet

Photos

http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Buddleja+davidii

Distribution Map

Distribution in Oregon
Distribution in Washington

Other Links

Species Profile from ODA's Noxious Weed Control Program

CWMA Warnings

North Coast
Mid-Coast