North America Native Plant

Yellowbeak Owl’s-clover

Botanical name: Triphysaria versicolor faucibarbatus

USDA symbol: TRVEF

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Orthocarpus faucibarbatus A. Gray (ORFA2)   

Yellowbeak Owl’s-Clover: A Charming Native Annual for West Coast Gardens If you’re looking to add a touch of whimsical charm to your native plant garden, yellowbeak owl’s-clover might just be the delightful annual you’ve been searching for. This petite Pacific Coast native brings early spring color and supports local pollinators ...

Yellowbeak Owl’s-Clover: A Charming Native Annual for West Coast Gardens

If you’re looking to add a touch of whimsical charm to your native plant garden, yellowbeak owl’s-clover might just be the delightful annual you’ve been searching for. This petite Pacific Coast native brings early spring color and supports local pollinators with its distinctive tubular blooms.

Meet the Yellowbeak Owl’s-Clover

Scientifically known as Triphysaria versicolor faucibarbatus (and formerly called Orthocarpus faucibarbatus), yellowbeak owl’s-clover is a true native son of the American West. This charming annual forb belongs to a family of plants that have evolved specifically to thrive in our region’s unique Mediterranean climate.

As an annual, this plant completes its entire life cycle in one growing season, making it a perfect choice for gardeners who enjoy the seasonal rhythm of wildflowers that appear, bloom, set seed, and return the following year.

Where Does It Call Home?

Yellowbeak owl’s-clover is native to California and Oregon, where it naturally occurs in grasslands, oak woodlands, and chaparral communities. This limited but significant range makes it a valuable addition to gardens throughout the Pacific Coast region.

Why Grow Yellowbeak Owl’s-Clover?

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

  • Native Heritage: As a true regional native, it’s perfectly adapted to local climate conditions and supports indigenous wildlife
  • Pollinator Magnet: The tubular flowers are specially designed to attract native bees and other small pollinators
  • Low Maintenance: Once established, it requires minimal care and follows natural seasonal patterns
  • Unique Appearance: The distinctive beaked flowers add texture and interest to wildflower displays
  • Self-Sustaining: As an annual that readily self-seeds, it can naturalize in appropriate conditions

Perfect Garden Settings

Yellowbeak owl’s-clover shines in several garden contexts:

  • Native Plant Gardens: Fits perfectly into authentic regional plant communities
  • Wildflower Meadows: Adds seasonal color and texture to naturalistic plantings
  • Restoration Projects: Helps re-establish native plant communities
  • Wildlife Gardens: Provides nectar for native pollinators and supports ecosystem health

Growing Conditions and Care

Success with yellowbeak owl’s-clover comes from understanding its natural preferences:

Climate Zones: Best suited for USDA hardiness zones 8-10, matching its native range along the Pacific Coast.

Sun and Soil: Prefers full sun to partial shade and well-draining soils. Like many California natives, it’s adapted to soils that aren’t overly rich or fertile.

Water Needs: Requires moderate moisture during its growing season (fall through spring) but prefers dry conditions during summer dormancy. This matches the Mediterranean climate pattern of wet winters and dry summers.

Planting and Care Tips

Growing yellowbeak owl’s-clover successfully is all about timing and understanding its natural cycle:

  • Seeding Time: Direct seed in fall when winter rains are beginning
  • Soil Preparation: Ensure good drainage – this plant won’t tolerate waterlogged soils
  • Watering: Provide supplemental water during germination and early growth, then reduce as spring progresses
  • Summer Care: Allow plants to die back naturally and avoid summer watering in the seeded area
  • Maintenance: Minimal maintenance required – let plants complete their natural cycle

Wildlife and Ecosystem Benefits

Beyond its ornamental value, yellowbeak owl’s-clover plays an important ecological role. Its flowers provide nectar for native bees and other small pollinators that have co-evolved with Pacific Coast flora. By including this plant in your garden, you’re supporting local biodiversity and helping maintain the complex web of relationships that make our regional ecosystems healthy and resilient.

Is Yellowbeak Owl’s-Clover Right for Your Garden?

This delightful native annual is an excellent choice for West Coast gardeners who want to create authentic, low-maintenance landscapes that support local wildlife. It’s particularly well-suited for those who appreciate the seasonal rhythms of native plants and enjoy the surprise of self-seeding annuals that pop up in slightly different spots each year.

Consider yellowbeak owl’s-clover if you’re looking to add seasonal interest to native plant gardens, create wildlife habitat, or simply want to grow something uniquely beautiful that truly belongs in your local landscape.

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