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American groundnut

Apios americana · Legumes

American groundnut (Apios americana) is in the Legumes family (Fabaceae). Across the U.S., iNaturalist users have logged 4,138 research-grade flowering observations of it in our sample, peaking in August.

Nationally it blooms mainly from August to August, but timing varies a lot by state and elevation — see the table below.

When to photograph American groundnut: observations by month (U.S.)

JanFebMarAprMayJunJulAugSepOctNovDec

About American groundnut

Apios americana, sometimes called the potato bean, hopniss, Indian potato, hodoimo, America-hodoimo, American groundnut,or groundnut (but not to be confused with other plants sometimes known by the name groundnut) is a perennial vine that bears edible beans and large edible tubers. Its vine can grow to 1–6 m long, with pinnate leaves 8–15 cm long with 5–7 leaflets. The flowers are usually pink, purple, or red-brown, and are produced in dense racemes 7.5–13 cm in length. The fruit...From Wikipedia via iNaturalist — article, CC BY-SA.

American groundnut by state

StateObservationsPeak monthMain season
Georgia340AugustAug–Aug
North Carolina300AugustAug–Aug
New York265AugustAug–Aug
Virginia250AugustJul–Aug
Ohio243AugustAug–Aug
Massachusetts241AugustJul–Aug
Minnesota198AugustAug–Aug
Vermont186AugustAug–Aug
Maryland179AugustJul–Aug
Florida172MayApr–May
Michigan156AugustAug–Aug
South Carolina139AugustAug–Sep
Maine125AugustAug–Aug
Pennsylvania113AugustJul–Aug
Illinois108AugustJul–Aug
New Jersey102AugustJul–Aug
New Hampshire97AugustAug–Aug
Alabama94AugustJul–Sep
Tennessee85AugustJul–Aug
Kentucky81AugustAug–Aug
Arkansas80AugustAug–Aug
Mississippi78AugustAug–Sep
Connecticut74AugustAug–Aug
Wisconsin64AugustAug–Aug
Indiana60AugustAug–Aug
Texas56JuneMay–Jun
Missouri53AugustAug–Aug
District of Columbia35AugustJul–Aug
Louisiana30SeptemberAug–Sep
West Virginia30JulyJul–Sep
Rhode Island29JulyJul–Aug
Iowa23AugustAug–Aug
Delaware14AugustJul–Aug
Kansas12AugustAug–Aug
Nebraska10AugustAug–Aug
Oklahoma10JuneJun–Jun

Main season = months with at least 30% of the state's peak-month count.

Related wildflowers (Legumes)

Photography tips

  • Photograph flowers on calm, overcast mornings to avoid wind blur and harsh shadows.
  • Get low: a shallow depth of field (f/2.8–f/5.6) isolates a bloom against soft color.
  • Stay on trails — trampling meadows kills plants and ruins next year's display.
  • Try a kaleidoscope abstract of a single bloom with our online kaleidoscope tool.

FAQ

When is the best time to photograph American groundnut?
Nationally, August has the most observations, with the main season from August to August.
Where is American groundnut most often seen?
The most observations come from Georgia, North Carolina, New York.