The Mission of the Yellowstone County Weed Department is to assist the public, private, and other government agencies to manage and control existing noxious weed infestations as well as to prevent new invasive species from infesting Yellowstone County.

Russian OliveElaeagnus angustfolia

Photo from Montana Weed Control Association

Stem

Leaf

Bloom

Seed

Bush

Tree

Photos from Montana Weed Control Association

Video Supplied By Montana Weed Control Association

Attribute	Information
Toxicity	Non-toxic.
Control	Herbicide and bush-type mowing. Contact your County Weed District or local Applicator for more information.
Habitat	Riparian areas, lakeshores, fields, roadsides, forest edges and sandy flood plains.
Root	Extensive, deep and lateral root system.
Leaf Shape	Linear, alternating on stem.
Lifespan	Perennial; two years or longer.
Priority 3 Weed	Not a noxious weed, but a regulated plant; potential for significant negative economic and ecological impacts.
Similar Looking Plants	Autumn olive, silver buffalo-berry, russet buffalo-berry.
Important Information	This plant out-competes native vegetation and taxes water reserves when established along waterways. It has been used extensively in Montana for shelterbelts. Roots can reach depths of 35 feet or more.