North America Native Plant

Nineanther Prairie Clover

Botanical name: Dalea enneandra

USDA symbol: DAEN

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Dalea enneandra Nutt. var. pumilla (Shinners) B.L. Turner (DAENP)  âš˜  Dalea laxiflora Pursh (DALA7)  âš˜  Dalea laxiflora Pursh var. pumilla Shinners (DALAP)  âš˜  Parosela enneandra (Nutt.) Britton (PAEN2)   

Nineanther Prairie Clover: A Hidden Gem for Your Native Garden If you’re looking to add authentic prairie charm to your landscape, meet nineanther prairie clover (Dalea enneandra) – a delightful native wildflower that’s been quietly beautifying America’s grasslands for centuries. This unassuming perennial might not be the showiest plant in ...

Nineanther Prairie Clover: A Hidden Gem for Your Native Garden

If you’re looking to add authentic prairie charm to your landscape, meet nineanther prairie clover (Dalea enneandra) – a delightful native wildflower that’s been quietly beautifying America’s grasslands for centuries. This unassuming perennial might not be the showiest plant in your garden, but it brings something special that many gardeners are just beginning to appreciate.

What Is Nineanther Prairie Clover?

Nineanther prairie clover is a native perennial forb – that’s gardening speak for a non-woody flowering plant that comes back year after year. As a member of the legume family, this prairie native has the superpower of fixing nitrogen in the soil, essentially fertilizing itself and its neighbors. The name nineanther refers to the nine stamens found in each tiny flower, though you’d need a magnifying glass to count them!

This hardy perennial grows naturally across a impressive swath of the American heartland, including Colorado, Illinois, Iowa, Kansas, Missouri, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas, and Wyoming. It’s a true child of the prairies, evolved to thrive in the challenging conditions of America’s grasslands.

Why Plant Nineanther Prairie Clover?

While it may not have the bold presence of a sunflower or the dramatic flair of a wild bergamot, nineanther prairie clover offers subtle beauty and ecological benefits that make it a valuable addition to native plant gardens. Here’s why you might want to give this prairie gem a spot in your landscape:

  • Authentic prairie character: If you’re creating a prairie garden or naturalized area, this is the real deal
  • Pollinator magnet: The small purple-pink flower spikes attract native bees, butterflies, and other beneficial insects
  • Low maintenance: Once established, it requires minimal care and can handle drought like a champ
  • Soil improvement: As a legume, it naturally enriches the soil with nitrogen
  • Long blooming period: Provides nectar sources throughout much of the growing season

Where Does It Fit in Your Garden?

Nineanther prairie clover isn’t meant for formal flower borders or manicured landscapes – it’s happiest in more naturalized settings. Consider it for:

  • Prairie restoration projects
  • Wildflower meadows
  • Native plant gardens
  • Pollinator gardens
  • Xeriscape or drought-tolerant landscapes
  • Naturalized areas where you want authentic regional character

Growing Nineanther Prairie Clover Successfully

The good news about this prairie native is that it’s adapted to tough conditions, so once you understand its needs, it’s relatively easy to grow.

Climate and Hardiness

Nineanther prairie clover is hardy in USDA zones 3-8, making it suitable for most temperate climates across its native range. It can handle both the frigid winters of the northern plains and the hot summers of Texas.

Light and Soil Requirements

Like most prairie plants, this species craves full sun – at least 6 hours of direct sunlight daily. It’s not picky about soil type but strongly prefers well-drained conditions. Heavy clay that stays soggy will quickly kill this drought-adapted plant. It naturally grows in alkaline to neutral soils, so don’t worry if your soil pH runs a bit high.

Planting Tips

The easiest way to establish nineanther prairie clover is from seed, ideally planted in fall to allow for natural winter stratification. Seeds need cold treatment to germinate properly, so fall planting lets Mother Nature handle this process. If planting in spring, you’ll need to cold-treat seeds in your refrigerator for several weeks first.

Scatter seeds over prepared soil and rake lightly – they need light to germinate, so don’t bury them deeply. Keep the area moist until seedlings establish, which can take several weeks.

Care and Maintenance

Once established, nineanther prairie clover is remarkably low-maintenance. Here’s what it needs:

  • Water: Drought tolerant once established; avoid overwatering
  • Fertilizer: None needed – it makes its own nitrogen!
  • Pruning: Leave seed heads for wildlife; cut back in late winter if desired
  • Pest control: Generally pest-free

Setting Realistic Expectations

Nineanther prairie clover won’t give you the dramatic impact of showier wildflowers, and it may take a couple of years to become well-established from seed. However, for gardeners interested in authentic native plant communities and supporting local ecosystems, it’s a worthwhile addition. The delicate flower spikes and fine foliage add textural interest, and the steady stream of pollinators it attracts brings life to the garden.

If you’re creating a prairie garden, restoring native habitat, or simply want to support local wildlife with truly regional plants, nineanther prairie clover deserves consideration. It’s one of those quiet workhorses of the plant kingdom – not flashy, but dependable, beneficial, and authentically American.

Nineanther Prairie Clover

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

Dalea L. - prairie clover

Species

Dalea enneandra Nutt. - nineanther prairie clover

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