North America Native Plant

Soft Prairie Clover

Botanical name: Dalea mollissima

USDA symbol: DAMO2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Dalea mollis Benth. var. mollissima (Rydb.) Munz (DAMOM)  âš˜  Dalea neomexicana (A. Gray) Cory ssp. mollissima (Rydb.) Wiggins (DANEM)   

Soft Prairie Clover: A Desert Gem for Water-Wise Gardens If you’re looking for a drought-tolerant native that practically takes care of itself while feeding pollinators, let me introduce you to soft prairie clover (Dalea mollissima). This unassuming little powerhouse might just become your new favorite addition to a water-wise landscape. ...

Soft Prairie Clover: A Desert Gem for Water-Wise Gardens

If you’re looking for a drought-tolerant native that practically takes care of itself while feeding pollinators, let me introduce you to soft prairie clover (Dalea mollissima). This unassuming little powerhouse might just become your new favorite addition to a water-wise landscape.

What is Soft Prairie Clover?

Soft prairie clover is a native forb—basically a non-woody flowering plant—that can behave as either an annual or perennial depending on growing conditions. Don’t let the prairie in its name fool you; this adaptable beauty calls the American Southwest home, thriving in the desert regions of Arizona, California, and Nevada.

The plant gets its soft moniker from the fine, silvery hairs that cover its leaves, giving the entire plant a lovely gray-green, almost fuzzy appearance. It’s also known scientifically as Dalea mollissima, though you might occasionally see it listed under older names like Dalea mollis var. mollissima.

Where Does Soft Prairie Clover Grow?

This native beauty naturally occurs across the southwestern United States, specifically in Arizona, California, and Nevada. It’s perfectly adapted to the challenging desert conditions of these regions, making it an excellent choice for gardeners dealing with similar hot, dry climates.

Why Choose Soft Prairie Clover for Your Garden?

There are several compelling reasons to consider adding this native gem to your landscape:

  • True water-saver: Once established, it needs minimal irrigation, making it perfect for drought-prone areas
  • Pollinator magnet: The small purple-pink flowers arranged in dense spikes are beloved by bees, butterflies, and other native pollinators
  • Low maintenance: This tough little plant asks for very little once it’s settled in
  • Native plant benefits: Supporting local ecosystems while reducing water usage
  • Unique texture: The soft, silvery foliage adds interesting contrast to garden designs

Garden Design and Landscape Role

Soft prairie clover works beautifully in several landscape contexts. It’s a natural fit for desert gardens, xeriscapes, and native plant gardens where its drought tolerance really shines. The plant works well as a ground cover or can be grouped with other native desert species for a naturalistic look.

The silvery-gray foliage provides excellent contrast against darker-leaved plants, while the purple-pink flower spikes add seasonal color. It pairs wonderfully with other southwestern natives and fits seamlessly into sustainable landscape designs focused on water conservation.

Growing Conditions and Hardiness

Soft prairie clover is surprisingly easy to please, as long as you understand its desert origins. Here’s what it needs to thrive:

  • Sunlight: Full sun is essential—this plant loves bright, direct sunlight
  • Soil: Well-draining soil is crucial; it won’t tolerate soggy conditions
  • Water: Drought tolerant once established, requiring minimal supplemental watering
  • Climate: Hardy in USDA zones 8-10, perfect for warmer climates

Planting and Care Tips

Growing soft prairie clover successfully is mostly about mimicking its natural habitat:

  • Timing: Direct seed in fall for best germination rates
  • Soil prep: Ensure excellent drainage—amend heavy soils with sand or gravel if needed
  • Watering: Water sparingly during establishment, then reduce to occasional deep watering
  • Fertilizing: Skip the fertilizer—this native prefers lean soils
  • Maintenance: Minimal pruning needed; let it follow its natural growth pattern

Is Soft Prairie Clover Right for Your Garden?

This native beauty is perfect for gardeners in appropriate climate zones who want to create sustainable, low-water landscapes. It’s especially valuable if you’re interested in supporting native pollinators while reducing garden maintenance and water usage.

However, gardeners in cooler, wetter climates might find it challenging to grow, as it’s specifically adapted to hot, dry conditions. If you’re outside its natural range, you might consider other native alternatives better suited to your local climate.

For southwestern gardeners embracing water-wise landscaping, soft prairie clover offers the perfect combination of ecological benefits, low maintenance, and subtle beauty—making it a smart choice for sustainable garden design.

Soft 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 mollissima (Rydb.) Munz - soft 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