North America Native Plant

Pingue Rubberweed

Botanical name: Hymenoxys richardsonii var. richardsonii

USDA symbol: HYRIR

Life cycle: perennial

Habit: subshrub

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

Synonyms: Actinea richardsonii (Hook.) Kuntze (ACRI3)  âš˜  Picradenia richardsonii Hook. (PIRI6)   

Pingue Rubberweed: A Hardy Native Wildflower for Water-Wise Gardens If you’re looking for a tough-as-nails native wildflower that laughs in the face of drought and poor soils, pingue rubberweed (Hymenoxys richardsonii var. richardsonii) might just be your new best friend. This cheerful little perennial brings sunny yellow blooms to challenging ...

Pingue Rubberweed: A Hardy Native Wildflower for Water-Wise Gardens

If you’re looking for a tough-as-nails native wildflower that laughs in the face of drought and poor soils, pingue rubberweed (Hymenoxys richardsonii var. richardsonii) might just be your new best friend. This cheerful little perennial brings sunny yellow blooms to challenging garden spots where other plants fear to tread.

What is Pingue Rubberweed?

Pingue rubberweed is a native North American perennial forb – essentially a non-woody flowering plant that comes back year after year. Don’t let the rubberweed name fool you; this plant is far from a garden thug. It’s actually a valuable native species that supports local ecosystems while adding bright splashes of color to your landscape.

You might also see this plant listed under its botanical synonyms Actinea richardsonii or Picradenia richardsonii in older gardening references, but they’re all the same hardy little wildflower.

Where Does Pingue Rubberweed Call Home?

This native beauty originally hails from the western regions of North America, naturally growing across Canada and the western United States. You’ll find wild populations thriving in Alberta, Saskatchewan, Colorado, Idaho, Montana, Nevada, New Mexico, North Dakota, Utah, and Wyoming – basically anywhere the land is big, the skies are wide, and the conditions can be tough.

Why Grow Pingue Rubberweed in Your Garden?

There are plenty of compelling reasons to give this native wildflower a spot in your landscape:

  • Drought Champion: Once established, pingue rubberweed shrugs off dry spells like a champ
  • Pollinator Magnet: Those bright yellow daisy-like flowers attract native bees, butterflies, and beneficial insects
  • Low Maintenance: This is a plant that thrives on neglect rather than fussing
  • Long Blooming Season: Enjoy flowers from late spring through fall
  • Native Plant Benefits: Supports local ecosystems and wildlife
  • Attractive Foliage: Silvery-green leaves provide year-round interest

Perfect Garden Spots for Pingue Rubberweed

This versatile native shines in several garden settings:

  • Rock Gardens: Its low-growing habit and drought tolerance make it perfect for rocky, well-draining spots
  • Prairie and Wildflower Gardens: A natural choice for native plant landscapes
  • Xeriscaping: Ideal for water-wise landscaping projects
  • Ground Cover: Forms attractive low mats in challenging areas
  • Slope Stabilization: Helps prevent erosion on hillsides

Growing Conditions and Care

Pingue rubberweed is refreshingly easy to please, but it does have some preferences:

Sunlight: Full sun is best – this plant loves basking in bright light all day long.

Soil: Well-draining soil is crucial. It actually prefers poor to average soils and can handle alkaline conditions that challenge other plants. Heavy, clay soils that stay wet will spell trouble.

Water: Drought tolerant once established, but regular watering during the first growing season helps it get settled.

Climate: Hardy in USDA zones 3-8, making it suitable for a wide range of climates from chilly mountain regions to warmer plains.

Planting and Care Tips

Getting pingue rubberweed established in your garden is straightforward:

  • Best Planting Time: Spring, after the last frost date in your area
  • Spacing: Plant 12-18 inches apart to allow for natural spreading
  • Initial Care: Water regularly the first year to help establish strong roots
  • Ongoing Maintenance: Very little needed once established
  • Deadheading: Remove spent flowers to encourage continued blooming
  • Winter Care: Leave stems standing through winter for wildlife habitat, cut back in early spring

Wildlife and Pollinator Benefits

One of the best reasons to grow pingue rubberweed is its value to local wildlife. The bright yellow flowers provide nectar and pollen for native bees, butterflies, and other beneficial insects throughout the growing season. This makes it an excellent choice for gardeners wanting to support pollinator populations and create habitat for native species.

Is Pingue Rubberweed Right for Your Garden?

Pingue rubberweed is an excellent choice if you:

  • Want a low-maintenance native plant
  • Have challenging dry, rocky, or poor soil conditions
  • Are interested in supporting pollinators and local ecosystems
  • Live in USDA zones 3-8
  • Appreciate cheerful, long-blooming wildflowers

However, it might not be the best fit if you have heavy, consistently moist soils or prefer highly manicured garden aesthetics. This is a wildflower that looks best in naturalistic settings rather than formal garden beds.

For gardeners seeking a resilient, native wildflower that connects their landscape to the natural heritage of western North America, pingue rubberweed offers an attractive, low-maintenance solution that both you and local wildlife will appreciate for years to come.

Pingue Rubberweed

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

Hymenoxys Cass. - rubberweed

Species

Hymenoxys richardsonii (Hook.) Cockerell - pingue rubberweed

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