North America Native Plant

Lambstongue Ragwort

Botanical name: Senecio integerrimus var. major

USDA symbol: SEINM

Life cycle: biennial

Habit: forb

Native status: Native to the lower 48 states  

Lambstongue Ragwort: A Cheerful Native Wildflower for Western Gardens If you’re looking to add some sunny charm to your native plant garden, lambstongue ragwort (Senecio integerrimus var. major) might just be the cheerful wildflower you’ve been seeking. This delightful native brings bright yellow blooms and easy-care appeal to gardens across ...

Lambstongue Ragwort: A Cheerful Native Wildflower for Western Gardens

If you’re looking to add some sunny charm to your native plant garden, lambstongue ragwort (Senecio integerrimus var. major) might just be the cheerful wildflower you’ve been seeking. This delightful native brings bright yellow blooms and easy-care appeal to gardens across the western United States.

What Is Lambstongue Ragwort?

Lambstongue ragwort is a native herbaceous perennial (sometimes biennial) that belongs to the sunflower family. True to its name, this plant produces clusters of bright yellow, daisy-like flowers that seem to dance in the breeze. The lambstongue part of its name comes from its distinctive lance-shaped leaves that have smooth edges, resembling the shape of a lamb’s tongue.

As a forb, this plant lacks woody stems and instead produces soft, green growth that dies back in winter and emerges fresh each growing season. It’s the kind of plant that adds natural, unpretentious beauty to any garden setting.

Where Does It Grow Naturally?

This western native calls California, Nevada, and Oregon home, thriving in the diverse landscapes of these states. From coastal areas to inland valleys, lambstongue ragwort has adapted to various western environments, making it a reliable choice for gardeners in these regions.

Why Plant Lambstongue Ragwort?

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

  • Native plant benefits: Supporting local ecosystems by choosing plants that naturally belong in your area
  • Pollinator magnet: The bright yellow flowers attract bees, butterflies, and other beneficial insects
  • Low maintenance: Once established, it requires minimal care and watering
  • Drought tolerance: Perfect for water-wise gardening and xeriscaping
  • Natural look: Adds authentic wildflower appeal to any landscape

Perfect Garden Settings

Lambstongue ragwort shines brightest in:

  • Native plant gardens
  • Wildflower meadows
  • Pollinator gardens
  • Xeriscapes and drought-tolerant landscapes
  • Naturalized areas
  • Cottage-style gardens with a wild edge

Growing Conditions and Care

One of the best things about lambstongue ragwort is how easygoing it is. Here’s what it prefers:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil (it’s not picky about soil type)
  • Water: Drought tolerant once established; avoid overwatering
  • Climate: Hardy in USDA zones 4-9

Planting and Care Tips

Getting started with lambstongue ragwort is refreshingly simple:

  • Seeding: Direct sow seeds in fall for spring germination
  • Watering: Water regularly during establishment, then reduce frequency
  • Maintenance: Minimal care needed once established
  • Spacing: Allow adequate space for natural spreading

The key to success is remembering that this plant evolved in western climates and doesn’t appreciate being pampered with too much water or rich soil. Think benign neglect and you’ll likely see the best results.

Wildlife and Pollinator Benefits

Beyond its cheerful appearance, lambstongue ragwort serves as an important food source for native pollinators. Its bright yellow flowers provide nectar for bees and butterflies, while the seeds may attract birds. By planting this native species, you’re creating habitat and supporting the intricate web of local wildlife.

Is Lambstongue Ragwort Right for Your Garden?

If you garden in California, Nevada, or Oregon and want to support native ecosystems while adding low-maintenance color to your landscape, lambstongue ragwort could be an excellent choice. It’s particularly well-suited for gardeners who appreciate natural, informal beauty over formal landscaping.

However, if you prefer highly manicured gardens or live outside its native range, you might want to explore other options that better suit your specific location and garden style.

With its sunny disposition, easy care requirements, and valuable ecological benefits, lambstongue ragwort proves that some of the best garden plants are the ones that have been thriving in our landscapes all along.

Lambstongue Ragwort

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Senecio L. - ragwort

Species

Senecio integerrimus Nutt. - lambstongue ragwort

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