North America Native Plant

Yellowbeak Owl’s-clover

Botanical name: Triphysaria versicolor versicolor

USDA symbol: TRVEV

Life cycle: annual

Habit: forb

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

Synonyms: Orthocarpus faucibarbatus A. Gray ssp. albidus D.D. Keck (ORFAA)  âš˜  Orthocarpus faucibarbatus A. Gray var. albidus (D.D. Keck) J.T. Howell (ORFAA2)   

Yellowbeak Owl’s-Clover: A Charming Native Wildflower for Pacific Coast Gardens If you’re looking to add a splash of cheerful color to your native plant garden, yellowbeak owl’s-clover (Triphysaria versicolor versicolor) might just be the perfect addition. This delightful little annual wildflower brings both beauty and ecological benefits to gardens throughout ...

Yellowbeak Owl’s-Clover: A Charming Native Wildflower for Pacific Coast Gardens

If you’re looking to add a splash of cheerful color to your native plant garden, yellowbeak owl’s-clover (Triphysaria versicolor versicolor) might just be the perfect addition. This delightful little annual wildflower brings both beauty and ecological benefits to gardens throughout the Pacific coastal regions.

What Makes Yellowbeak Owl’s-Clover Special?

Yellowbeak owl’s-clover is a true native gem, naturally occurring from British Columbia down through California and Oregon. As an annual forb, it completes its entire life cycle in one growing season, making it a dynamic addition to wildflower gardens that change with the seasons.

This charming wildflower produces small, tubular flowers that display a lovely combination of yellow and purple hues. The blooms typically appear in spring, creating carpets of color in natural meadows and thoughtfully designed native gardens.

Where Does It Grow?

Yellowbeak owl’s-clover is native to the Pacific coastal regions, thriving in British Columbia, California, and Oregon. This distribution makes it an excellent choice for gardeners in these areas who want to support local ecosystems with truly indigenous plants.

Benefits for Your Garden and Local Wildlife

Beyond its aesthetic appeal, yellowbeak owl’s-clover serves as an important resource for local pollinators. Bees and other small pollinators are drawn to its nectar-rich flowers, making it a valuable addition to any pollinator-friendly garden design.

As a native annual, it also plays a role in supporting the broader ecosystem by providing habitat and food sources that local wildlife have evolved alongside for thousands of years.

Perfect Garden Settings

Yellowbeak owl’s-clover works beautifully in several garden settings:

  • Native plant gardens
  • Wildflower meadows
  • Coastal gardens
  • Naturalized landscape areas
  • Pollinator gardens

Growing Conditions and Care

This adaptable native thrives in USDA hardiness zones 8-10, which aligns perfectly with its natural Pacific coastal range. For best results, provide:

  • Sunlight: Full sun exposure
  • Soil: Well-drained soils of various types
  • Water: Moderate moisture, especially during spring growing season
  • Climate: Benefits from cool, moist winters and dry summers typical of Pacific coastal regions

Planting and Care Tips

Growing yellowbeak owl’s-clover successfully requires understanding its natural life cycle:

  • Seeding: Direct seed in fall to allow for natural winter stratification
  • Germination: Seeds require winter chill periods to germinate properly in spring
  • Maintenance: Once established, this native requires minimal care
  • Succession: Allow plants to self-seed for natural regeneration in following years

A Few Things to Consider

As an annual, yellowbeak owl’s-clover will need to reseed each year, though it often does this naturally when conditions are right. The ephemeral nature of this wildflower means it creates seasonal interest rather than year-round structure in your garden.

Also worth noting: this species was previously classified under the genus Orthocarpus, so you might see it referenced by older botanical names in some resources.

The Bottom Line

Yellowbeak owl’s-clover offers Pacific coast gardeners a wonderful opportunity to support native ecosystems while enjoying the simple beauty of a true wildflower. Its cheerful spring blooms, pollinator benefits, and low-maintenance nature make it an excellent choice for anyone looking to create habitat-friendly landscapes with authentic regional character.

Whether you’re establishing a wildflower meadow or simply want to add some native flair to your existing garden, this charming annual deserves consideration for its ecological value and understated beauty.

Yellowbeak Owl’s-clover

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Triphysaria Fisch. & C.A. Mey. - owl's-clover

Species

Triphysaria versicolor Fisch. & C.A. Mey. - yellowbeak owl's-clover

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