North America Native Plant

Sensitive Partridge Pea

Botanical name: Chamaecrista nictitans nictitans var. aspera

USDA symbol: CHNIA

Life cycle: annual

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Cassia aspera Muhl. ex Elliott (CAAS3)  âš˜  Chamaecrista aspera (Muhl. ex Elliott) Greene (CHAS5)   

Sensitive Partridge Pea: A Charming Native Wildflower for Southeastern Gardens Meet the sensitive partridge pea (Chamaecrista nictitans nictitans var. aspera), a delightful native wildflower that’s quietly making its mark in southeastern gardens. This charming little plant, also known simply as sensitive plant, belongs to the legume family and offers gardeners ...

Sensitive Partridge Pea: A Charming Native Wildflower for Southeastern Gardens

Meet the sensitive partridge pea (Chamaecrista nictitans nictitans var. aspera), a delightful native wildflower that’s quietly making its mark in southeastern gardens. This charming little plant, also known simply as sensitive plant, belongs to the legume family and offers gardeners a unique combination of beauty and ecological benefits.

What Makes This Plant Special?

The sensitive partridge pea is a native forb herb, meaning it’s a non-woody plant that dies back to ground level each season. What sets this variety apart is right there in its name – it’s sensitive to touch, with leaves that fold up when disturbed, creating a fun interactive element for curious gardeners and children.

Botanically known as Chamaecrista nictitans nictitans var. aspera, this plant has traveled through quite a few name changes over the years. You might also see it listed as Cassia aspera or Chamaecrista aspera in older gardening references.

Where Does It Call Home?

This variety of sensitive partridge pea is native to the southeastern United States, specifically thriving in Florida, Georgia, and South Carolina. Being a true native to these regions makes it an excellent choice for gardeners looking to support local ecosystems and create sustainable landscapes.

Why Consider Growing Sensitive Partridge Pea?

There are several compelling reasons to welcome this native beauty into your garden:

  • Native plant benefits: As a native species, it’s naturally adapted to local conditions and supports regional wildlife
  • Low maintenance: Once established, native plants typically require less water, fertilizer, and pest control
  • Educational value: The touch-sensitive leaves make it a wonderful conversation starter and teaching tool
  • Ecological support: Being a legume, it helps fix nitrogen in the soil, improving conditions for neighboring plants

Growing Conditions and Care

While specific growing information for this particular variety is limited, sensitive partridge peas generally prefer:

  • Full sun to partial shade locations
  • Well-draining soils (they’re quite tolerant of poor soils)
  • Minimal supplemental watering once established
  • Sandy or loamy soil types

The plant’s classification as both annual and perennial suggests it may behave differently depending on local growing conditions and climate zone.

Garden Design Ideas

Sensitive partridge pea works beautifully in:

  • Native plant gardens
  • Wildflower meadows
  • Children’s gardens (thanks to its interactive leaves)
  • Pollinator gardens
  • Low-maintenance landscape areas

A Word of Caution

While this native plant offers many benefits, it’s worth noting that detailed growing information specific to the var. aspera is quite limited. If you’re interested in growing this particular variety, you might want to:

  • Contact local native plant societies for regional experience
  • Start with a small planting to observe how it performs in your specific conditions
  • Consider other well-documented Chamaecrista species if you need more predictable results

The Bottom Line

Sensitive partridge pea represents the wonderful diversity of native plants waiting to be rediscovered by modern gardeners. While this specific variety might require a bit of gardening adventure and patience, its native status and unique characteristics make it an intriguing addition to southeastern gardens. As with any native plant, growing it helps support local ecosystems while creating a landscape that’s both sustainable and distinctive.

If you’re drawn to native plants with personality and don’t mind a little mystery in your gardening journey, sensitive partridge pea might just be the perfect quirky addition to your plant family.

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