General Plant Information (Edit)
Plant Habit: Herb/Forb
Vine
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Mesic
Minimum cold hardiness: Zone 4b -31.7 °C (-25 °F) to -28.9 °C (-20 °F)
Maximum recommended zone: Zone 7b
Plant Height: 6 inches
Plant Spread: 36-39 inches
Leaves: Other: Excellent grazing and fodder plant for game birds, small mammals, bear, and mule deer.
Flowers: Showy
Flower Color: Pink
Other: Flowers are hermaphrodite and are pollinated by insects. Self-fertile and it can fix Nitrogen. Grown as a cover preceding late spring-planted crops.
Flower Time: Late spring or early summer
Underground structures: Rhizome
Suitable Locations: Xeriscapic
Uses: Groundcover
Medicinal Herb
Will Naturalize
Dynamic Accumulator: Nitrogen fixer
P (Phosphorus)
K (Potassium)
Cu (Copper)
Co (Cobalt)
Wildlife Attractant: Birds
Toxicity: Other: The seeds in their pods may be toxic and attractive to children
Propagation: Seeds: Self fertile
Scarify seeds: Will decrease germination time by 3-7 days.
Days to germinate: 14 days. Pre-soak seeds for 24 hours in warrm water and then sow in situ in spring or autum.
Suitable for wintersowing
Sow in situ
Can handle transplanting
Other info: Will self-reseed.
Propagation: Other methods: Division
Pollinators: Various insects
Containers: Suitable in 1 gallon
Conservation status: Least Concern (LC)

Conservation status:
Conservation status: Least Concern
Image
Common names
  • American Vetch

Photo Gallery
Location: San Juan Islands National Monument, Washington
Date: 04/29/2015
photo by Jennifer McNew, Bureau of Land Management via Wikimedia
Location: Olympic National Park
photo credit: Walter Siegmund

Credit NPS
Location: Pacific Northwest, zone 8
Date: May 11, 2012
Location: My yard.
Date: 2012-03-17
Location: Pacific Northwest, zone 8
Date: May 11, 2012
Location: My yard.
Date: 2012-03-17
Location: Pacific Northwest, zone 8
Date: May 11, 2012
Location: My yard.
Date: 2012-03-17
Very interesting weed?
Location: Olympic National Park
photo credit: Walter Siegmund
Comments:
  • Posted by Johannian (The Black Hills, SD - Zone 4b) on Jan 9, 2022 6:32 PM concerning plant:
    Range: throughout. Additional info: with showy flowers unusually large for the genus, it resembles many species of Lathryus, but can be distinguished by the distribution of the hairs at the tip of the style.
  • Posted by Bonehead (Planet Earth - Zone 8b) on Dec 3, 2017 10:50 AM concerning plant:
    Native in the Pacific NW and most of North America except for the SE. Found in forest openings and meadows, from low to mid-elevations. Vincio means 'to bind' referring to the climbing/scrambling habit of the plant.

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