North America Native Plant

Woolly Mock Goldenweed

Botanical name: Stenotus lanuginosus

USDA symbol: STLA7

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Haplopappus lanuginosus A. Gray (HALA3)  âš˜  Haplopappus lanuginosus A. Gray var. andersonii (Rydb.) Cronquist (HALAA)  âš˜  Haplopappus lanuginosus A. Gray ssp. andersonii (Rydb.) H.M. Hall (HALAA2)  âš˜  Haplopappus lanuginosus A. Gray ssp. typicus H.M. Hall (HALAT4)  âš˜  Stenotus andersonii Rydb. (STAN4)  âš˜  Stenotus lanuginosus (A. Gray) Greene var. andersonii (Rydb.) H.M. Hall (STLAA)  âš˜  Stenotus lanuginosus (A. Gray) Greene var. lanuginosus (STLAL)   

Woolly Mock Goldenweed: A Hardy Western Native for Drought-Tolerant Gardens If you’re looking for a tough, drought-tolerant native plant that can handle whatever Mother Nature throws at it, let me introduce you to woolly mock goldenweed (Stenotus lanuginosus). This unassuming little perennial might not have the flashiest name, but don’t ...

Woolly Mock Goldenweed: A Hardy Western Native for Drought-Tolerant Gardens

If you’re looking for a tough, drought-tolerant native plant that can handle whatever Mother Nature throws at it, let me introduce you to woolly mock goldenweed (Stenotus lanuginosus). This unassuming little perennial might not have the flashiest name, but don’t let that fool you – it’s a real gem for gardeners in the western United States who want to create beautiful, water-wise landscapes.

What Is Woolly Mock Goldenweed?

Woolly mock goldenweed is a native perennial forb that forms compact, cushion-like mounds covered in soft, silvery-woolly foliage. Despite its delicate appearance, this little powerhouse is built to survive in some pretty harsh conditions. As a native species to the lower 48 states, it has spent thousands of years adapting to western climates, making it an excellent choice for gardeners who want to work with nature rather than against it.

This charming plant goes by the botanical name Stenotus lanuginosus, though you might occasionally see it listed under some of its historical names like Haplopappus lanuginosus in older gardening references.

Where Does It Grow Naturally?

Woolly mock goldenweed calls the western United States home, naturally occurring across California, Idaho, Montana, Nevada, Oregon, and Washington. You’ll typically find it thriving in sagebrush steppe, mountain slopes, and other dry, open areas where many other plants struggle to survive.

Why You’ll Love This Plant

There are several compelling reasons to consider adding woolly mock goldenweed to your garden:

  • Drought tolerance: Once established, this plant can handle extended dry periods without breaking a sweat
  • Low maintenance: Perfect for busy gardeners who want beauty without constant fussing
  • Pollinator magnet: The bright yellow, daisy-like flowers attract native bees, butterflies, and other beneficial insects
  • Year-round interest: The silvery-woolly foliage provides texture and color even when not in bloom
  • Compact size: Forms neat, tidy mounds that won’t overtake your garden

Perfect Garden Situations

Woolly mock goldenweed shines in several garden settings:

  • Rock gardens: Its compact, cushion-like growth habit makes it perfect for tucking between stones
  • Xeriscapes: An ideal choice for water-wise landscaping
  • Native plant gardens: Pairs beautifully with other western natives like sagebrush and penstemon
  • Ground cover: Use it to cover slopes or fill in difficult areas
  • Alpine gardens: Can handle the challenging conditions of high-elevation gardening

Growing Conditions and Care

The beauty of woolly mock goldenweed lies in its simplicity. This plant thrives in USDA hardiness zones 4-8, making it suitable for a wide range of western climates.

Sunlight: Give it full sun for the best growth and flowering. Like many western natives, it’s not happy in shade.

Soil: Well-draining soil is absolutely essential – this plant will not tolerate soggy conditions. It actually prefers slightly alkaline soils, which makes it perfect for many western gardens where the soil naturally runs alkaline.

Water: Once established, woolly mock goldenweed is remarkably drought tolerant. During its first growing season, provide occasional deep watering to help it get established, then back off and let nature take over.

Planting and Care Tips

Getting woolly mock goldenweed established in your garden is refreshingly straightforward:

  • Timing: Plant in spring or early fall when temperatures are moderate
  • Spacing: Allow adequate space for air circulation to prevent moisture-related issues
  • Mulching: Use gravel or stone mulch rather than organic mulch to prevent crown rot
  • Fertilizing: Skip the fertilizer – this plant prefers lean soils and too much nutrition can make it leggy
  • Pruning: Minimal pruning needed; just remove spent flowers if desired

Supporting Local Wildlife

One of the best reasons to grow woolly mock goldenweed is its value to local wildlife. The cheerful yellow flowers provide nectar for native pollinators, including specialized native bees that have co-evolved with western plants. By choosing native species like this one, you’re helping support the complex web of relationships that make healthy ecosystems possible.

Is This Plant Right for You?

Woolly mock goldenweed is perfect for gardeners who:

  • Live in the western United States within its natural range
  • Want to reduce water usage in their landscape
  • Appreciate low-maintenance plants
  • Are interested in supporting native pollinators
  • Have well-draining soil and full sun conditions

However, it might not be the best choice if you have heavy clay soil with poor drainage, prefer plants that need regular watering, or are gardening in areas with high humidity.

With its combination of drought tolerance, pollinator appeal, and easy-care nature, woolly mock goldenweed deserves a place in more western gardens. Give this humble native a try, and you might just discover that sometimes the most unassuming plants make the biggest impact.

Woolly Mock Goldenweed

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

Stenotus Nutt. - mock goldenweed

Species

Stenotus lanuginosus (A. Gray) Greene - woolly mock goldenweed

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