Everlasting peavine
Lathyrus latifolius L. Pea Family
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Plant stems grow prostrate with stems up to 7’ long with a climbing growth habit
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Stems have broad wings
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Leaflets form in pairs and are lance shaped
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Flowers can be white, pink, or red and grow in clusters of 5 to 15
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Very similar to ornamental sweet peas but much hardier
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Tendrils form between leaflets
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Seeds form in pods resembling edible peas
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A perennial plant reproducing by seeds and rhizomatous root system
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Everlasting peavine is native to Europe
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It is used as an ornamental and has also been used for erosion control
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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.
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