North America Native Plant

American Hogpeanut

Botanical name: Amphicarpaea bracteata var. bracteata

USDA symbol: AMBRB

Life cycle: annual

Habit: vine

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Amphicarpaea monoica (L.) Elliott (AMMO5)   

American Hogpeanut: A Quirky Native Groundcover with Hidden Talents Meet the American hogpeanut (Amphicarpaea bracteata var. bracteata), a charming native plant that’s probably been hiding in plain sight in woodlands near you. Don’t let the unusual name fool you – this isn’t actually a peanut at all! It’s a fascinating ...

American Hogpeanut: A Quirky Native Groundcover with Hidden Talents

Meet the American hogpeanut (Amphicarpaea bracteata var. bracteata), a charming native plant that’s probably been hiding in plain sight in woodlands near you. Don’t let the unusual name fool you – this isn’t actually a peanut at all! It’s a fascinating member of the legume family with some pretty clever tricks up its sleeve.

What Makes American Hogpeanut Special?

This native North American plant is what botanists call a forb or herb – essentially a non-woody plant that dies back each year but returns reliably through its ingenious seed production system. What sets the American hogpeanut apart is its dual personality when it comes to making seeds. It produces both regular flowers above ground that attract pollinators AND special underground flowers that self-pollinate. Talk about having a backup plan!

Where You’ll Find It Growing Wild

American hogpeanut is truly a coast-to-coast native, naturally occurring across a massive range that includes most of the eastern United States and southeastern Canada. You can find it growing wild in states from Maine down to Florida and as far west as Texas and North Dakota. It’s also native to several Canadian provinces including Ontario, Quebec, New Brunswick, and Nova Scotia.

What Does It Look Like?

Picture a delicate climbing vine with three-part leaves (think poison ivy, but friendly!) that scrambles along the ground or climbs up whatever support it can find. In late summer and early fall, you’ll spot small clusters of white to pale purple pea-like flowers. The whole plant has a soft, somewhat trailing appearance that works beautifully as a groundcover in shaded areas.

Why Gardeners Love (and Sometimes Fear) This Plant

American hogpeanut is one of those plants that gardeners either embrace wholeheartedly or approach with caution. Here’s why:

The Good Stuff:

  • Completely native and supports local ecosystems
  • Attracts pollinators like small bees and butterflies
  • Thrives in shade where many other plants struggle
  • Requires virtually no maintenance once established
  • Acts as a living mulch, suppressing weeds
  • Fixes nitrogen in the soil, benefiting neighboring plants

The Proceed with Caution Part:

  • Can spread enthusiastically through self-seeding
  • May climb on other plants and structures
  • Can become weedy in formal garden settings

Perfect Spots for American Hogpeanut

This adaptable native shines in woodland gardens, naturalized landscapes, and shady areas where you want a soft, informal groundcover. It’s particularly valuable in:

  • Native plant gardens
  • Woodland edges and understory areas
  • Slopes that need erosion control
  • Areas where you want to encourage wildlife
  • Low-maintenance landscape zones

Growing American Hogpeanut Successfully

The beautiful thing about American hogpeanut is that it’s remarkably easy to grow – perhaps too easy if you’re looking for a plant that stays exactly where you put it!

Ideal Growing Conditions:

  • Light: Partial shade to full shade (tolerates some sun)
  • Soil: Moist, well-draining soil of almost any type
  • Hardiness: Zones 3-9 (incredibly adaptable!)
  • Water: Average moisture; drought-tolerant once established

Planting and Care Tips:

American hogpeanut is typically grown from seed, and here’s where it gets interesting – you might not even need to plant it! If it’s growing wild in your area, it may naturally establish itself in suitable garden spots.

If you’re intentionally introducing it:

  • Sow seeds in fall for natural cold stratification
  • Choose your location carefully – remember, it likes to spread
  • Provide some structure for climbing if desired
  • Water during establishment, then let nature take over
  • No fertilizer needed – it makes its own nitrogen!

Managing Its Enthusiasm

If American hogpeanut gets too happy in your garden, don’t panic. Since it’s an annual that relies on reseeding, you can control it by:

  • Pulling seedlings in spring where you don’t want them
  • Mowing or cutting back before seeds mature
  • Using it in contained areas or naturalized zones

The Bottom Line

American hogpeanut is a wonderful native plant for the right situation. If you have a woodland garden, naturalized area, or shady spot where you want a low-maintenance groundcover that supports local wildlife, this could be your new best friend. Just remember that it’s a plant with personality – it knows what it likes and isn’t shy about making itself at home!

For gardeners who prefer more controlled plantings, you might want to stick with less adventurous natives. But for those who enjoy a garden with a bit of wild spirit, American hogpeanut offers a charming way to support native ecosystems while creating beautiful, naturalistic landscapes.

American Hogpeanut

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Amphicarpaea Elliott ex Nutt. - hogpeanut

Species

Amphicarpaea bracteata (L.) Fernald - American hogpeanut

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA