North America Native Plant

Chaparral Bird’s-foot Trefoil

Botanical name: Lotus grandiflorus var. macranthus

USDA symbol: LOGRM

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Lotus macranthus Greene (LOMA81)   

Chaparral Bird’s-Foot Trefoil: A Charming California Native for Your Garden If you’re looking to add authentic California charm to your garden while supporting local wildlife, chaparral bird’s-foot trefoil (Lotus grandiflorus var. macranthus) might just be the perfect addition. This delightful native perennial brings both beauty and ecological benefits to your ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Chaparral Bird’s-Foot Trefoil: A Charming California Native for Your Garden

If you’re looking to add authentic California charm to your garden while supporting local wildlife, chaparral bird’s-foot trefoil (Lotus grandiflorus var. macranthus) might just be the perfect addition. This delightful native perennial brings both beauty and ecological benefits to your landscape, though its special status means you’ll want to source it responsibly.

What Makes This Plant Special

Chaparral bird’s-foot trefoil is a true California original – a perennial herb that’s perfectly adapted to the Golden State’s unique climate and ecosystems. As a member of the legume family, it produces clusters of cheerful yellow flowers that look like tiny peas, surrounded by compound leaves that give the plant its distinctive bird’s-foot appearance.

This plant has earned its place in California’s natural heritage, growing wild in chaparral and oak woodland communities throughout the state. You might also see it listed under its synonym, Lotus macranthus Greene, in older gardening references.

Where It Grows Naturally

This California endemic is found exclusively within the state’s borders, making it a true regional treasure. It thrives in the Mediterranean climate zones that make California gardening so unique, particularly in areas with mild, wet winters and dry summers.

Why Consider Growing Chaparral Bird’s-Foot Trefoil

There are several compelling reasons to include this native beauty in your garden:

  • Supports local pollinators with nectar-rich flowers
  • Requires minimal water once established
  • Helps preserve California’s native plant heritage
  • Adds authentic regional character to landscapes
  • Works well as ground cover or in naturalizing areas

Important Considerations

Before you rush out to plant this lovely native, there’s something important to know: chaparral bird’s-foot trefoil has a conservation status that’s currently undefined (S4T3?), which suggests it may be uncommon in the wild. This means if you choose to grow it, you should only purchase plants from reputable native plant nurseries that source their material responsibly – never collect from wild populations.

Growing Conditions and Care

Like many California natives, chaparral bird’s-foot trefoil is surprisingly easy to grow once you understand its preferences:

Climate and Hardiness

This plant thrives in USDA hardiness zones 8-10, making it suitable for most of California’s Mediterranean climate regions.

Soil and Water Needs

Provide well-draining soil – this plant definitely doesn’t appreciate soggy feet! Once established, it’s quite drought tolerant and will actually perform better with minimal summer water, mimicking its natural habitat conditions.

Light Requirements

Full sun to partial shade works best, though it tends to flower more prolifically with good sun exposure.

Garden Design Ideas

Chaparral bird’s-foot trefoil works beautifully in several landscape settings:

  • Native California gardens paired with other regional plants
  • Drought-tolerant landscapes and xeriscaping
  • Wildlife gardens focused on supporting pollinators
  • Erosion control on slopes (thanks to its ground-covering habit)
  • Naturalized areas where you want an authentic California look

Planting and Maintenance Tips

Spring is typically the best time to plant, giving your new addition time to establish before the dry summer months. Here are some key care tips:

  • Water regularly during the first growing season to help establishment
  • Reduce watering significantly once established – overwatering can actually harm the plant
  • Light pruning after flowering can help maintain shape and encourage new growth
  • Avoid fertilizers, as most California natives prefer lean soils

Supporting Pollinators and Wildlife

One of the biggest benefits of growing chaparral bird’s-foot trefoil is its value to local wildlife. The bright yellow flowers attract native bees and butterflies, providing important nectar sources. As a legume, it also helps improve soil health by fixing nitrogen naturally.

The Bottom Line

Chaparral bird’s-foot trefoil offers California gardeners a chance to grow something truly special – a beautiful native that’s perfectly adapted to local conditions while supporting regional wildlife. Just remember to source your plants responsibly from reputable native plant nurseries to help protect wild populations. With minimal care and the right growing conditions, this charming perennial can bring authentic California beauty to your garden for years to come.

Chaparral 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 grandiflorus (Benth.) Greene - chaparral 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