North America Native Plant

Heermann’s Bird’s-foot Trefoil

Botanical name: Lotus heermannii var. heermannii

USDA symbol: LOHEH

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Hosackia tomentosa Hook. & Arn. ssp. glabriuscula (Hook. & Arn.) Abrams (HOTOG)   

Heermann’s Bird’s-Foot Trefoil: A Charming California Native for Drought-Tolerant Gardens If you’re looking to add a touch of sunny yellow to your California native garden while supporting local pollinators, Heermann’s bird’s-foot trefoil (Lotus heermannii var. heermannii) might just be the perfect addition. This delightful little perennial brings both beauty and ...

Heermann’s Bird’s-Foot Trefoil: A Charming California Native for Drought-Tolerant Gardens

If you’re looking to add a touch of sunny yellow to your California native garden while supporting local pollinators, Heermann’s bird’s-foot trefoil (Lotus heermannii var. heermannii) might just be the perfect addition. This delightful little perennial brings both beauty and ecological benefits to the landscape, all while requiring minimal fuss once established.

What Makes This Plant Special

Heermann’s bird’s-foot trefoil is a true California native, belonging to the pea family and classified as a forb – essentially a non-woody perennial plant. Don’t let the technical terms fool you though; this is simply a charming ground-hugging plant that produces clusters of bright yellow, pea-like flowers that seem to dance above silvery-green, somewhat fuzzy foliage.

You might also encounter this plant listed under its botanical synonym Hosackia tomentosa Hook. & Arn. ssp. glabriuscula, but regardless of what name you see it under, you’re getting the same wonderful native species.

Where It Calls Home

This lovely native is endemic to California, where it has adapted perfectly to the state’s Mediterranean climate and diverse growing conditions. From coastal areas to inland foothills, Heermann’s bird’s-foot trefoil has found its niche in the Golden State’s landscape.

Why Your Garden (And Local Wildlife) Will Love It

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

  • Supports native pollinators including bees and butterflies
  • Extremely drought tolerant once established
  • Low maintenance requirements
  • Authentic to California’s natural heritage
  • Cheerful yellow blooms brighten up any space
  • Works well as ground cover or in naturalized areas

Perfect Garden Companions and Landscape Uses

Heermann’s bird’s-foot trefoil shines in drought-tolerant gardens, native plant landscapes, and wildflower meadows. It’s particularly well-suited for:

  • Native California gardens
  • Xeriscapes and water-wise landscapes
  • Pollinator gardens
  • Naturalized areas where you want a wild look
  • Ground cover in sunny spots

Growing Conditions and Care

One of the best things about this native is how easy it is to please. Heermann’s bird’s-foot trefoil thrives in USDA hardiness zones 8-10, making it perfect for most of California’s climate zones.

Ideal growing conditions include:

  • Full sun exposure
  • Well-draining soil (it won’t tolerate soggy conditions)
  • Minimal water once established
  • Good air circulation

Planting and Care Tips

Getting started with Heermann’s bird’s-foot trefoil is refreshingly straightforward:

Planting: Plant in fall or early spring when temperatures are moderate. Choose a sunny location with well-draining soil, and space plants according to their expected spread.

Watering: Provide regular water during the first growing season to help establish roots, then reduce watering significantly. Once established, this drought-tolerant native can survive on natural rainfall in most California locations.

Maintenance: This is truly a low-maintenance plant. You can deadhead spent flowers if you prefer a tidier look, though leaving them may allow for natural self-seeding. Minimal pruning is needed.

The Bottom Line

Heermann’s bird’s-foot trefoil offers California gardeners the perfect combination of beauty, ecological benefit, and ease of care. Its cheerful yellow flowers, drought tolerance, and native status make it an excellent choice for anyone looking to create a sustainable, wildlife-friendly landscape. Plus, there’s something deeply satisfying about growing a plant that truly belongs in your local ecosystem – it’s like welcoming an old friend home.

Heermann’s Bird’s-foot Trefoil

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 heermannii (Durand & Hilg.) Greene - Heermann's bird's-foot trefoil

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