Purple prairie clover
Purple prairie clover (Dalea purpurea) is a long-lived native legume with a deep taproot and dense purple bloom spikes that rank among the highest-value nectar sources on the prairie. It fixes nitrogen, thrives on thin dry ground, and is a required component of most quality pollinator specifications.
Why landowners plant purple prairie clover
- Top-tier nectar and pollen source for native bees and honeybees.
- Taproot reaching 5+ feet gives outstanding drought resilience.
- Nitrogen fixation without the aggressiveness of introduced clovers.
- High-protein forage valued in grazed native pasture.
Site fit
Excellent on dry and dry-mesic uplands, thin ridgetops, and sandy or gravelly ground. Include in CP42 dry pollinator mixes, CP25 short-grass blends, and western prairie reconstructions.
Establishment
Needs scarification plus cold-moist stratification for best results; dormant seeding of scarified seed is ideal. Slow first year, with strong perennial performance from year three onward.
Management
Fire tolerant and long-lived. Heavily selected by livestock and deer, so protect from continuous grazing during establishment.
CRP practice fit
Core high-nectar legume in pollinator habitat mixes.
Standard legume in dry and mixed-grass diversity mixes.
Used in prairie strips for mid-season bloom and nitrogen.
Featured mixes with purple prairie clover
Pairs well with
Little bluestem · Sideoats grama · Butterfly milkweed · Prairie blazing star
Frequently asked questions
For native bees, yes. Purple prairie clover is a native perennial with high nectar and pollen value, supports specialist bees that introduced clovers do not, and persists for decades. Red clover is short-lived, introduced, and disallowed in most native CRP specs.
Its taproot reaches five feet or more, so it thrives on thin, rocky, and sandy ground across the Great Plains. On wet or poorly drained soils it performs poorly — use golden alexanders or swamp milkweed there instead.