North America Native Plant

Sensitive Partridge Pea

Botanical name: Chamaecrista nictitans nictitans var. nictitans

USDA symbol: CHNIN2

Life cycle: annual

Habit: subshrub

Native status: Non-native, reproduces and persists in the wild in Hawaii âš˜ Native to the lower 48 states  

Synonyms: Cassia aspera Muhl. ex Elliott var. mohrii Pollard (CAASM)  âš˜  Cassia nictitans L. (CANI4)  âš˜  Cassia nictitans L. var. commixta (Pollard & (Maxon) Millsp. (CANIC)  âš˜  Cassia nictitans L. var. hebecarpa Fernald (CANIH)  âš˜  Cassia nictitans L. var. leiocarpa Fernald (CANIL)  âš˜  Cassia nictitans L. var. mohrii (Pollard) J.F. Macbr. (CANIM4)  âš˜  Chamaecrista mohrii (Pollard) Small ex Britton & Rose (CHMO4)  âš˜  Chamaecrista multipinnata (Pollard) Greene (CHMU4)  âš˜  Chamaecrista nictitans (L.) Moench var. hebecarpa (Fernald) C.F. Reed (CHNIH)  âš˜  Chamaecrista nictitans (L.) Moench var. leiocarpa (Fernald) Moldenke (CHNIL2)  âš˜  Chamaecrista procumbens (L.) Greene (CHPR10)   

Sensitive Partridge Pea: The Touchable Native That Birds and Pollinators Adore Meet the sensitive partridge pea (Chamaecrista nictitans nictitans var. nictitans), a charming native plant that’s like having a little bit of magic in your garden. Also known simply as sensitive plant, this delightful species gets its name from its ...

Sensitive Partridge Pea: The Touchable Native That Birds and Pollinators Adore

Meet the sensitive partridge pea (Chamaecrista nictitans nictitans var. nictitans), a charming native plant that’s like having a little bit of magic in your garden. Also known simply as sensitive plant, this delightful species gets its name from its fascinating ability to fold its leaves when touched – making it an instant hit with curious kids and adults alike!

Where You’ll Find This Native Beauty

Sensitive partridge pea is a true American native, naturally occurring across a impressive swath of the United States. You’ll find it growing wild from Maine down to Florida and stretching west through states like Alabama, Arkansas, Illinois, Kansas, Kentucky, Missouri, Oklahoma, Tennessee, Texas, and many others in between. It’s been introduced to Hawaii, where it has naturalized, but it’s important to note that it’s not native there.

What Makes It Special

This annual to perennial herb is what botanists call a forb – essentially a non-woody flowering plant that stays relatively low to the ground. But don’t let its humble description fool you! Sensitive partridge pea brings several wonderful qualities to your garden:

  • Touch-sensitive compound leaves that fold dramatically when disturbed
  • Bright yellow flowers that attract bees, butterflies, and other pollinators
  • Seeds that provide food for birds (making up 5-10% of some terrestrial birds’ diets)
  • Low-maintenance growth habit perfect for naturalized areas

Growing Your Own Sensitive Partridge Pea

One of the best things about this native plant is how easy it is to grow. Sensitive partridge pea thrives in full sun and adapts well to various soil types, though it prefers well-drained, sandy, or loamy conditions. Once established, it’s quite drought tolerant – perfect for gardeners looking to reduce their water usage!

This adaptable plant does well in USDA hardiness zones 4 through 9, making it suitable for most of the continental United States. It readily self-seeds, so you may find pleasant surprises popping up in your garden year after year.

Perfect Places to Plant

Sensitive partridge pea shines in several garden settings:

  • Native plant gardens where you want to support local ecosystems
  • Prairie restorations and meadow gardens
  • Butterfly and pollinator gardens
  • Naturalized areas where low-maintenance plants are preferred
  • Slopes where erosion control is needed

Wildlife Benefits That Matter

Beyond its interactive leaves and cheerful flowers, sensitive partridge pea is a genuine wildlife magnet. Birds rely on its nutritious seeds, while various pollinators visit its yellow blooms throughout the growing season. By planting this native species, you’re creating habitat and food sources that support your local ecosystem.

A Note for Hawaiian Gardeners

If you’re gardening in Hawaii, it’s worth noting that while sensitive partridge pea grows there, it’s not native to the islands. Consider exploring native Hawaiian alternatives that provide similar benefits while supporting indigenous ecosystems.

The Bottom Line

Sensitive partridge pea offers the perfect combination of interactive interest, wildlife value, and low-maintenance beauty. Whether you’re creating a native plant garden, establishing a pollinator haven, or simply want a conversation-starting plant that kids will love to touch, this charming native deserves a spot in your landscape. Plus, with its ability to self-seed and adapt to various conditions, it’s truly a plant that gives back year after year.

Wildlife Status

Want to attract wildlife or keep hungry critters away from your garden? Understanding the relationship between plants and wildlife is key. While plant tags may indicate deer and rabbit resistance, they don't tell the full story. Every gardener has experienced the disappointment of purchasing "deer-resistant" plants only to find them nibbled to the ground!

The extent to which plants are resistant to animal browsing is a matter of degree. Likewise, the extent to which a plant attracts wanted visitors also varies. Whether you want a garden full or free of wildlife, learning about interactions between a plant and wild animals can help you make smarter choices for the garden you desire.

As shown below Shrubby Indian Mallow isn't a large food source for animals or birds. You can confidently add this plant to your garden and rest assured knowing it's unlikely to be devoured by four-legged visitors.

Small animals

not a food source

not a source of cover

Large animals

not a food source

not a source of cover

Terrestrial birds

5-10% of diet

Infrequently used as cover

Water birds

not a food source

not a source of cover

Sources:

Yarrow, G.K., and D.T. Yarrow. 1999. Managing wildlife. Sweet Water Press. Birmingham.

Sensitive Partridge Pea

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

Chamaecrista (L.) Moench - sensitive pea

Species

Chamaecrista nictitans (L.) Moench - sensitive partridge pea

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