North America Native Plant

Slender Bird’s Beak

Botanical name: Cordylanthus tenuis

USDA symbol: COTE3

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Slender Bird’s Beak: A Delicate Native Wildflower for Specialized Gardens If you’re drawn to delicate wildflowers with a touch of mystery, slender bird’s beak (Cordylanthus tenuis) might catch your attention. This charming little annual is one of those native plants that rewards patient gardeners who appreciate subtle beauty over showstopping ...

Slender Bird’s Beak: A Delicate Native Wildflower for Specialized Gardens

If you’re drawn to delicate wildflowers with a touch of mystery, slender bird’s beak (Cordylanthus tenuis) might catch your attention. This charming little annual is one of those native plants that rewards patient gardeners who appreciate subtle beauty over showstopping displays.

What Makes Slender Bird’s Beak Special

Slender bird’s beak is a native annual forb that belongs to the fascinating world of semi-parasitic plants. Don’t let that scare you off – it simply means this clever little plant has figured out how to tap into the root systems of nearby grasses to supplement its nutrition. Think of it as nature’s version of a helpful neighbor borrowing a cup of sugar!

This delicate herb produces thread-like leaves and small, tubular flowers that range from yellow to reddish hues. The entire plant has a wispy, ephemeral quality that adds texture and natural movement to wildflower gardens.

Where You’ll Find It Growing Wild

Slender bird’s beak calls the Pacific Coast home, naturally occurring across California, Nevada, and Oregon. You’ll typically spot it in dry, open areas where it mingles with native grasses and other wildflowers.

Should You Grow Slender Bird’s Beak?

Here’s where things get interesting – and a bit challenging. While slender bird’s beak is absolutely worth celebrating as a native species, it’s not your typical garden center purchase. This plant falls into the advanced native gardener category for several reasons:

  • It requires host plants (typically native grasses) to thrive
  • Seeds can be difficult to source commercially
  • Germination and establishment can be unpredictable
  • It’s an annual, so it won’t provide long-term structure to your garden

That said, if you’re working on a native plant restoration project or have established native grasslands, this little beauty can add authentic local character to your landscape.

Perfect Garden Settings

Slender bird’s beak shines in:

  • Native wildflower meadows
  • Restoration projects
  • Naturalized areas with established native grasses
  • Educational or demonstration gardens focused on local ecosystems

It’s not well-suited for formal flower borders, container gardens, or areas where you need reliable, showy blooms.

Growing Conditions and Care

If you’re up for the challenge, slender bird’s beak prefers:

  • Sunlight: Full sun exposure
  • Soil: Well-draining, sandy or gravelly soils
  • Water: Dry conditions once established
  • Climate: USDA zones 8-10
  • Companions: Native grasses and other indigenous wildflowers

Planting Tips

Success with slender bird’s beak requires patience and the right setup:

  • Direct seed in fall when winter rains will provide natural moisture
  • Ensure native grasses are already established in the area
  • Scatter seeds lightly over prepared soil – don’t bury them deeply
  • Avoid fertilizing, as this can interfere with the plant’s natural parasitic relationships
  • Be patient – germination may be sporadic and dependent on weather conditions

Wildlife and Pollinator Benefits

While small in stature, slender bird’s beak pulls its weight in supporting local ecosystems. The flowers attract small native bees and other pollinators, contributing to the complex web of relationships that keep native habitats healthy.

The Bottom Line

Slender bird’s beak is a plant for specialized situations and dedicated native plant enthusiasts. If you’re creating habitat, restoring native ecosystems, or simply want to support the full spectrum of local flora, this delicate annual deserves consideration. Just don’t expect it to behave like your typical garden flower – it marches to the beat of its own ecological drum!

For most home gardeners seeking reliable native wildflowers, consider starting with easier options like California poppies or lupines, then work your way up to the more challenging species like slender bird’s beak once you’ve gained experience with native plant communities.

Slender Bird’s Beak

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

Cordylanthus Nutt. ex Benth. - bird's-beak

Species

Cordylanthus tenuis A. Gray - slender bird's beak

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