Stevens County Noxious Weed Control Board
This web site will help you identify & control noxious weeds. Conventional & biological control
(BioControl) information and photographs  are here. Maps & related information are included.

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Everlasting peavine
Lathyrus latifolius L.                                  
Pea Family

Key identifying traits

  • Plant stems grow prostrate with stems up to 7’ long with a climbing growth habit

  • Stems have broad wings

  • Leaflets form in pairs and are lance shaped

  • Flowers can be white, pink, or red and grow in clusters of 5 to 15

  • Very similar to ornamental sweet peas but much hardier

  • Tendrils form between leaflets

  • Seeds form in pods resembling edible peas

Biology and ecology

  • A perennial plant reproducing by seeds and rhizomatous root system

  • Everlasting peavine is native to Europe

  • It is used as an ornamental and has also been used for erosion control

  • It is still widely sold as an ornamental but can escape its intended area and become weedy

Control

Prevention – Learn to identify plants; start monitoring early in the season

Biological – No known biological control here

Cultural – Plant competitive grass or other cover crops

Mechanical – Mowing and hand pulling not effective due to root system

Chemical –the PNW Weed Management handbook does not have it listed as a problem weed but herbicides that work on legumes (clovers & peas) should be effective

epv1.jpg (114892 bytes)
Rich Old, XID Services, Inc.

epv2.jpg (83649 bytes)
Rich Old, XID Services, Inc.

epv3.jpg (135843 bytes)
Rich Old, XID Services, Inc.

epv4.jpg (159498 bytes)
Rich Old, XID Services, Inc.


Where found –
Scattered throughout the county seen in gardens and also a few escaped populations and around old homesteads.

MSdoc     PDF

weedboard@co.stevens.wa.us
Last Edit: December 01, 2011
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