North America Native Plant

Desert Deervetch

Botanical name: Lotus micranthus

USDA symbol: LOMI

Life cycle: annual

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Hosackia parviflora Benth. (HOPA4)   

Desert Deervetch: A Charming Native Annual for Western Gardens If you’re looking for a low-maintenance native wildflower that brings delicate beauty to your garden while supporting local wildlife, desert deervetch (Lotus micranthus) might just be your new favorite discovery. This unassuming little annual packs a surprising punch when it comes ...

Desert Deervetch: A Charming Native Annual for Western Gardens

If you’re looking for a low-maintenance native wildflower that brings delicate beauty to your garden while supporting local wildlife, desert deervetch (Lotus micranthus) might just be your new favorite discovery. This unassuming little annual packs a surprising punch when it comes to ecological benefits and natural charm.

What is Desert Deervetch?

Desert deervetch is a native annual forb – basically a soft-stemmed herbaceous plant that completes its life cycle in one growing season. Don’t let the desert in its name fool you; this adaptable little plant thrives throughout much of the Pacific Northwest and California. You might also see it referred to by its botanical name, Lotus micranthus, or its synonym Hosackia parviflora.

Where Does It Naturally Grow?

This native beauty calls the western regions of North America home, naturally occurring in British Columbia, California, Oregon, and Washington. Its native range extends from Canada down through the lower 48 states, making it a truly regional treasure for western gardeners.

What Does Desert Deervetch Look Like?

Desert deervetch won’t win any awards for size – this is a petite plant that typically stays low to the ground. But what it lacks in stature, it makes up for in delicate beauty. The plant produces small, bright yellow pea-like flowers that seem to dance above its fine, feathery foliage. Its growth habit creates a lovely carpet effect when planted in groups, making it perfect for filling in bare spots or creating natural-looking drifts in wildflower gardens.

Why Grow Desert Deervetch in Your Garden?

There are several compelling reasons to give this native annual a spot in your landscape:

  • Low maintenance: Once established, it requires minimal care and is quite drought tolerant
  • Pollinator magnet: The small flowers attract native bees and other beneficial insects
  • Self-seeding: As an annual, it readily self-seeds, creating naturalized colonies over time
  • Authentic native appeal: Perfect for native plant gardens and restoration projects
  • Ground cover potential: Its low-growing habit makes it excellent for covering bare ground naturally

Where to Use Desert Deervetch in Your Landscape

Desert deervetch shines in several garden settings:

  • Native plant and wildflower gardens
  • Naturalized meadow areas
  • Rock gardens and dry slopes
  • Restoration and habitat projects
  • As living mulch around larger native shrubs

Its modest size and natural appearance make it ideal for gardens that celebrate the understated beauty of native flora rather than flashy ornamental displays.

Growing Conditions and Care

One of the best things about desert deervetch is how easygoing it is. This plant thrives in USDA hardiness zones 7-10 and prefers:

  • Sunlight: Full sun exposure
  • Soil: Well-drained soils (it’s not picky about soil type)
  • Water: Drought tolerant once established, but appreciates occasional water during dry spells
  • Maintenance: Virtually none required once growing

Planting and Establishment Tips

Getting desert deervetch started in your garden is refreshingly simple:

  • Timing: Direct seed in fall for spring germination, or sow in early spring
  • Planting: Scatter seeds over prepared soil and lightly rake in
  • Spacing: No need to worry about precise spacing – let nature take its course
  • Water: Keep soil lightly moist until seedlings establish, then reduce watering
  • Patience: Allow plants to go to seed for natural reseeding next year

Wildlife and Ecological Benefits

Though small, desert deervetch punches above its weight class when it comes to supporting local ecosystems. The flowers provide nectar and pollen for small native bees and other beneficial insects. As part of the legume family, it also helps improve soil health by fixing nitrogen, benefiting neighboring plants in your garden.

Is Desert Deervetch Right for Your Garden?

Desert deervetch is an excellent choice for gardeners who:

  • Want to support native wildlife with minimal effort
  • Appreciate subtle, natural beauty over bold displays
  • Are creating native plant or wildflower gardens
  • Need low-water, low-maintenance ground cover
  • Live in western regions where this plant naturally occurs

If you’re looking for a showy centerpiece plant, desert deervetch might not be your best bet. But if you want to add authentic native character to your garden while supporting local pollinators, this charming little annual deserves serious consideration. Sometimes the most beautiful gardens are those that celebrate the quiet elegance of plants that have called a place home for thousands of years.

Desert Deervetch

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

Lotus L. - trefoil

Species

Lotus micranthus Benth. - desert deervetch

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