North America Native Plant

Balsam Bird’s-foot Trefoil

Botanical name: Lotus stipularis var. stipularis

USDA symbol: LOSTS

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Hosackia stipularis Benth. (HOST5)  âš˜  Hosackia stipularis Benth. ssp. balsamifera (Kellogg) Abrams (HOSTB)  âš˜  Lotus balsamiferus (Kellogg) Greene (LOBA)   

Balsam Bird’s-Foot Trefoil: A Hidden Gem for California Native Gardens If you’re looking to add a touch of wild California charm to your garden, let me introduce you to a delightful native wildflower that deserves more attention: balsam bird’s-foot trefoil (Lotus stipularis var. stipularis). This unassuming perennial might not have ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3T4: Status is uncertain but is somewhere between the following rankings: 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. ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Balsam Bird’s-Foot Trefoil: A Hidden Gem for California Native Gardens

If you’re looking to add a touch of wild California charm to your garden, let me introduce you to a delightful native wildflower that deserves more attention: balsam bird’s-foot trefoil (Lotus stipularis var. stipularis). This unassuming perennial might not have the flashiest name, but it’s a true treasure for gardeners who appreciate the subtle beauty of native plants.

What Makes This Plant Special?

Balsam bird’s-foot trefoil is a native California and Oregon perennial that belongs to the pea family. As a forb (that’s botanist-speak for a non-woody flowering plant), it forms low-growing clumps that produce charming yellow flowers from spring through summer. The plant gets its whimsical common name from its distinctive seed pods, which supposedly resemble a bird’s foot when they split open.

This native beauty has quite the collection of historical names too – botanists have called it everything from Hosackia stipularis to Lotus balsamiferus over the years. But don’t let the name confusion fool you; this is one consistent performer in the right conditions.

Where Does It Call Home?

You’ll find balsam bird’s-foot trefoil growing naturally in California and Oregon, particularly in coastal regions and foothills. It’s perfectly adapted to the Mediterranean climate of the Pacific Coast, making it an excellent choice for gardeners in these areas who want to work with nature rather than against it.

Why Consider Growing It?

Here are some compelling reasons to give this native plant a spot in your garden:

  • True California native: Support local ecosystems by growing plants that belong here
  • Pollinator magnet: Those cheerful yellow flowers attract native bees and butterflies
  • Low maintenance: Once established, it’s quite drought-tolerant
  • Ground cover potential: Perfect for naturalizing areas or filling in wildflower meadows
  • Perennial persistence: Comes back year after year with minimal fuss

A Word About Rarity

Before you rush out to find this plant, there’s something important to know: balsam bird’s-foot trefoil has a conservation status that suggests it’s not as common as it once was. If you’re interested in growing it, please make sure you source it from reputable native plant nurseries that propagate their plants responsibly rather than collecting from wild populations.

Growing Conditions and Care

The good news is that this native is relatively easy to please if you can provide the right conditions:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soils (it doesn’t like wet feet)
  • Water: Moderate water during establishment, then drought-tolerant
  • Hardiness: Best suited for USDA zones 8-10
  • Best planting time: Fall, to take advantage of winter rains

Design Ideas and Garden Roles

Balsam bird’s-foot trefoil shines in several garden settings:

  • Native plant gardens: A must-have for authentic California landscapes
  • Wildflower meadows: Let it naturalize with other native grasses and forbs
  • Wildlife gardens: The flowers feed pollinators, and the seeds may attract birds
  • Restoration projects: Excellent for stabilizing soil and supporting native ecosystems

The Bottom Line

While balsam bird’s-foot trefoil might not be the showiest plant in your garden, it offers something equally valuable: authenticity. This is a plant that truly belongs in California and Oregon landscapes, supporting local wildlife while requiring minimal resources once established. If you can find it from a responsible source, it’s definitely worth considering for your native plant collection.

Just remember to be patient with establishment and resist the urge to overwater – this California native appreciates a more hands-off approach once it settles in. After all, it’s been thriving in these conditions long before any of us started gardening!

Balsam 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 stipularis (Benth.) Greene - balsam 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