North America Native Plant

Viscid Tansyaster

Botanical name: Rayjacksonia annua

USDA symbol: RAAN2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Viscid Tansyaster: A Sticky Little Wildflower Worth Getting to Know If you’re looking for a native wildflower that’s as hardy as it is humble, meet the viscid tansyaster (Rayjacksonia annua). This unassuming annual might not win any beauty contests, but it’s got personality—and a few tricks up its sticky sleeves ...

Viscid Tansyaster: A Sticky Little Wildflower Worth Getting to Know

If you’re looking for a native wildflower that’s as hardy as it is humble, meet the viscid tansyaster (Rayjacksonia annua). This unassuming annual might not win any beauty contests, but it’s got personality—and a few tricks up its sticky sleeves that make it a worthy addition to the right garden.

What Makes Viscid Tansyaster Special?

The viscid tansyaster is a native annual forb that calls the American Great Plains and Southwest home. True to its name, this little wildflower has a distinctly sticky feel to its stems and leaves—a charming quirk that helps it survive in tough conditions. Don’t let its modest appearance fool you; this plant is a true survivor that’s perfectly adapted to life in challenging climates.

Where Does It Grow Naturally?

This native beauty spans across seven states in the heart of America: Colorado, Kansas, Nebraska, New Mexico, Oklahoma, Texas, and Wyoming. It’s right at home in the wide-open spaces of the Great Plains, where it has evolved alongside other tough prairie plants.

What Does Viscid Tansyaster Look Like?

Picture small, cheerful yellow daisy-like flowers perched atop sticky, somewhat branching stems. The viscid tansyaster typically grows as a low-growing annual that reaches modest heights. Its flowers may be small, but they pack a punch when it comes to supporting local wildlife. The sticky texture of the plant gives it an almost resinous quality that’s quite distinctive once you get to know it.

Why Grow Viscid Tansyaster?

Here’s where this little native really shines:

  • Pollinator magnet: Those small yellow blooms attract native bees, beneficial flies, and butterflies
  • True drought warrior: Once established, it laughs in the face of dry spells
  • Low maintenance: Perfect for gardeners who want native beauty without the fuss
  • Self-sufficient: As an annual, it readily self-seeds for next year’s display
  • Authentic native: Supports local ecosystems and wildlife

Perfect Garden Situations

Viscid tansyaster isn’t meant for formal flower beds, but it absolutely excels in:

  • Wildflower gardens and meadows
  • Prairie restoration projects
  • Native plant landscapes
  • Xerophytic (drought-tolerant) gardens
  • Naturalized areas where you want low-maintenance native color

Growing Conditions and Care

The viscid tansyaster is refreshingly easy to please:

  • Sunlight: Full sun is essential—this prairie native needs all the light it can get
  • Soil: Well-drained soils are a must; it particularly loves sandy or rocky conditions
  • Water: Drought tolerant once established, minimal watering needed
  • Climate: Thrives in USDA hardiness zones 4-8

Planting and Care Tips

Growing viscid tansyaster is wonderfully straightforward:

  • Seeding: Direct seed in fall or early spring when soil temperatures are cool
  • Spacing: Scatter seeds naturally—this isn’t a plant that needs precise placement
  • Maintenance: Minimal care required; let it do its thing
  • Self-seeding: Allow plants to go to seed for next year’s natural display
  • Avoid overwatering: Too much water can actually harm this drought-adapted native

Is Viscid Tansyaster Right for Your Garden?

This native wildflower is perfect if you want to support local wildlife, create authentic native landscapes, or add low-maintenance color to naturalized areas. However, if you’re looking for showy, long-lasting blooms for formal gardens, you might want to consider other natives with more dramatic flowers.

The viscid tansyaster may be small and sticky, but it’s got a big heart when it comes to supporting pollinators and adding authentic prairie character to your landscape. Sometimes the most unassuming plants turn out to be the most valuable—and this little native is proof of that!

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

Rayjacksonia R.L. Hartm. & M.A. Lane - tansyaster

Species

Rayjacksonia annua (Rydb.) R.L. Hartm. & M.A. Lane - viscid tansyaster

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