Flower profile
American hog-peanut
Amphicarpaea bracteata
American hog-peanut is a wildflower that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 4 states, and across the U.S. it's most often seen in bloom in August–September.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Connecticut, Maryland, Minnesota, Pennsylvania
Quick look
Amphicarpaea bracteata is an annual to perennial vine in the legume family, native to woodland, thickets, and moist slopes in eastern North America. A. bracteata can be found in eastern North America, as well as further west into the Midwestern region, including Iowa, Indiana, Illinois, and Wisconsin.
- It belongs to the Fabaceae family. iNaturalist
- USDA PLANTS describes it as an herb (forb) / a vine with a annual, perennial life cycle. USDA PLANTS
- USDA PLANTS lists it as native in the lower 48 states and records it in 39 states. USDA PLANTS
- NatureServe lists it as native to Pennsylvania, Minnesota, Maryland and Connecticut. NatureServe
- In Pennsylvania, most iNaturalist sightings of it in flower come in August–September. iNaturalist
- In Minnesota, most iNaturalist sightings of it in flower come in August. iNaturalist
- iNaturalist has 2,062 research-grade sightings of it in Pennsylvania, ranking #102 among the 111 flowers on our Pennsylvania list. iNaturalist
- iNaturalist has 1,506 research-grade sightings of it in Minnesota, ranking #92 among the 110 flowers on our Minnesota list. iNaturalist
- iNaturalist has 1,131 research-grade sightings of it in Maryland, ranking #100 among the 110 flowers on our Maryland list. iNaturalist
American hog-peanut gift ideas
Handmade american hog-peanut gifts from independent makers.
🌱 Sample spot. Handmade gift picks from independent shops will appear here once our shop partnership is approved. These cards are placeholders, not real products.
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American hog-peanut art print
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American hog-peanut greeting card
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American hog-peanut mug
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American hog-peanut earrings
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American hog-peanut embroidery pattern
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American hog-peanut sticker
When does it bloom?
Bloom time in each of our 4 states
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| Pennsylvania | Native | August–September | 2,062 |
| Minnesota | Native | August | 1,506 |
| Maryland | Native | August–September | 1,131 |
| Connecticut | Native | August–September | 641 |
Conservation status
- Federal (U.S. ESA)
- Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
- NatureServe global
- G5 Secure worldwide. NatureServe
- Pennsylvania
- Not listed Not on Pennsylvania classified native plants (17 Pa. Code Ch. 45, Subchapter B, as amended 2023). NatureServe: S5, secure in Pennsylvania. 17 Pa. Code Ch. 45
- Minnesota
- Not listed Not on Minnesota endangered, threatened and special concern plants (Minn. R. 6134.0300). NatureServe: SNR, not yet ranked in Minnesota. Minn. R. 6134.0300
- Maryland
- Not listed Not on Maryland threatened and endangered plants (COMAR 08.03.08.05, .06 and .08). NatureServe: SNR, not yet ranked in Maryland. COMAR 08.03.08
- Connecticut
- Not listed Not on Connecticut Endangered, Threatened and Special Concern Plants (RCSA 26-306; 2015 list). NatureServe: SNR, not yet ranked in Connecticut. CT E/T/SC list
- Rare elsewhere
- Other states where NatureServe ranks it rare or missing: WY (S1). (S1 critically imperiled, S2 imperiled, SH possibly extirpated, SX presumed extirpated.)
Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.
Can you eat it?
None of the sources we checked (NC State Extension (no page for this plant), USDA PLANTS) say whether it's edible or poisonous for people.
It isn't on the ASPCA plant list.
🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.
Where does it grow?
USDA PLANTS records American hog-peanut in 39 states plus Washington, D.C.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin, Wyoming; District of Columbia.
Pennsylvania counties with USDA records: Adams, Allegheny, Armstrong, Beaver, Bedford, Berks, Blair, Bradford, Bucks, Butler, Cambria, Cameron, Carbon, Centre, Chester, Clarion, Clearfield, Clinton, Columbia, Crawford, Cumberland, Dauphin, Delaware, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Juniata, Lackawanna, Lancaster, Lawrence, Lebanon, Lehigh, Luzerne, Lycoming, McKean, Mercer, Mifflin, Monroe, Montgomery, Montour, Northampton, Northumberland, Perry, Philadelphia, Pike, Potter, Schuylkill, Snyder, Somerset, Sullivan, Susquehanna, Tioga, Union, Venango, Warren, Washington, Wayne, Westmoreland, Wyoming, York.
Minnesota counties with USDA records: Aitkin, Anoka, Becker, Beltrami, Benton, Big Stone, Blue Earth, Brown, Cass, Chisago, Clay, Clearwater, Crow Wing, Dakota, Dodge, Douglas, Fillmore, Freeborn, Goodhue, Hennepin, Houston, Isanti, Itasca, Kanabec, Kandiyohi, Kittson, Koochiching, Lac qui Parle, Lake of the Woods, Lincoln, Lyon, Mahnomen, Marshall, McLeod, Mille Lacs, Morrison, Mower, Murray, Nobles, Norman, Olmsted, Otter Tail, Pine, Pipestone, Polk, Pope, Ramsey, Red Lake, Redwood, Rice, Rock, Roseau, Scott, Sherburne, St. Louis, Stearns, Stevens, Todd, Traverse, Wabasha, Waseca, Washington, Winona, Wright.
More Pennsylvania flowers
Sources
- USDA, NRCS. PLANTS Database, profile AMBR2.
- iNaturalist, Amphicarpaea bracteata: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Amphicarpaea bracteata (lead quoted under CC BY-SA 4.0).
- Pennsylvania: Pennsylvania classified native plants (17 Pa. Code Ch. 45, Subchapter B, as amended 2023).
- Pennsylvania: Pennsylvania Noxious Weed List (3 Pa.C.S. § 1519, PA Dept. of Agriculture) (PDA's page spells garlic mustard “Allaria petiolata”; we match it as Alliaria petiolata).
- Minnesota: Minnesota endangered, threatened and special concern plants (Minn. R. 6134.0300).
- Minnesota: Minnesota Noxious Weed List (Minn. Stat. § 18.79; Minnesota Department of Agriculture, updated January 2026).
- Maryland: Maryland threatened and endangered plants (COMAR 08.03.08.05, .06 and .08).
- Maryland: Maryland Prohibited Invasive Plant List (COMAR 15.06.04.06; MDA, updated July 2026).
- Connecticut: Connecticut Endangered, Threatened and Special Concern Plants (RCSA 26-306; 2015 list).
- Connecticut: Connecticut prohibited invasive plants (Conn. Gen. Stat. § 22a-381d).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Amphicarpaea bracteata (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: Erin Lalime via iNaturalist · CC BY 4.0 · resized.