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Everlasting peavine


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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



Where found – Scattered throughout the county seen in gardens and also a few escaped populations and around old homesteads
All Photos Rich Old, XID Services, Inc.












Stevens County Noxious Weed Control Board, January 2010


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