Partridge Pea

Chamaecrista fasciculata · Warm-season, Annual, C3-C4 intermediate legume

AI-generated identification · may be incorrect
Partridge Pea

Grass Category

Native Prairie / Wildflower / Cover Crop

Hardiness Zones

USDA Hardiness Zones 3 through 9

Grass Family

Fabaceae (Legume family, not a true grass)

Variety / Cultivar

Native wild type

About This Grass

An annual herbaceous legume featuring delicate, fern-like pinnately compound leaves, bright yellow showy flowers, and distinctive flat green seed pods that turn brown and split open when mature. Height ranges from 1 to 3 feet.

Blade Characteristics

Not a grass; has pinnately compound leaves with numerous small, oblong, sensitive leaflets that fold when touched or at night.

Root System

Taproot system with nitrogen-fixing root nodules, excellent for poor soils and moderate erosion control.

Growing Information

Origin Region

Native to North America, widespread across the eastern and central United States

Growth Habit

Upright, branching, single-stemmed to bushy annual

Sunlight & Water Needs

Requires full sun, low to moderate water needs, highly drought tolerant once established, prefers well-drained sandy or loamy soils.

Mowing & Maintenance

Low maintenance native plant; does not tolerate regular turf mowing as it is an upright forb, best used in wildflower meadows or naturalized areas.

Special Characteristics

Fixes atmospheric nitrogen, highly attractive to pollinators like native bees and butterflies, exhibits thigmonastic movement (folding leaves).

Ecological Information

Native annual legume providing high wildlife value, critical food source for game birds and pollinators, and excellent for soil improvement in prairie restorations.

Identified on 9/24/2026