North America Native Plant

Short Woollyheads

Botanical name: Psilocarphus brevissimus var. brevissimus

USDA symbol: PSBRB

Life cycle: annual

Habit: forb

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

Short Woollyheads: A Modest Native Annual for Western Gardens If you’ve ever wondered about those tiny, woolly white flowers dotting dry hillsides and meadows across the American West, you might have encountered short woollyheads (Psilocarphus brevissimus var. brevissimus). While this diminutive native annual won’t win any beauty contests, it has ...

Short Woollyheads: A Modest Native Annual for Western Gardens

If you’ve ever wondered about those tiny, woolly white flowers dotting dry hillsides and meadows across the American West, you might have encountered short woollyheads (Psilocarphus brevissimus var. brevissimus). While this diminutive native annual won’t win any beauty contests, it has its own quiet charm and plays an important role in native ecosystems.

What Are Short Woollyheads?

Short woollyheads are small annual forbs—herbaceous flowering plants that complete their entire life cycle in one growing season. True to their common name, these plants produce tiny, densely woolly flower heads that give them a distinctly fuzzy appearance. As a native species, they’re perfectly adapted to the challenging conditions of western North America’s arid and semi-arid regions.

This hardy little plant is native to both Canada and the lower 48 United States, naturally occurring across a impressive range that includes Alberta, British Columbia, California, Saskatchewan, Idaho, Montana, Nevada, Oregon, Utah, Washington, and Wyoming.

Should You Plant Short Woollyheads in Your Garden?

Let’s be honest—short woollyheads aren’t going to be the showstopper in your garden. These modest plants are more about function than flash. However, they do have several qualities that make them worth considering for certain garden situations:

  • Excellent for native plant gardens and naturalized areas
  • Extremely drought tolerant once established
  • Requires virtually no maintenance
  • Helps support local ecosystems
  • Perfect for xeriscaping projects

Garden Design and Landscape Role

Short woollyheads work best as part of a larger native plant community rather than as standalone specimens. They’re ideal for:

  • Native meadow restorations
  • Drought-tolerant ground cover in naturalized areas
  • Filling gaps between larger native shrubs and perennials
  • Adding texture to rock gardens with their woolly foliage

Think of them as the supporting actors in your native plant drama—they may not steal the scene, but they help create an authentic western landscape.

Growing Conditions and Care

One of the best things about short woollyheads is how easy they are to please. These tough little plants thrive in conditions that would stress many garden favorites:

  • Soil: Sandy, well-draining soils; tolerates poor fertility
  • Sun: Full sun exposure
  • Water: Minimal water needs; drought tolerant when established
  • Hardiness: Suitable for USDA zones 4-9

Planting and Establishment Tips

Since short woollyheads are annuals, they need to reseed themselves each year to maintain their presence in your garden. Here’s how to help them succeed:

  • Direct seed in fall for best results—they need cold stratification
  • Scatter seeds on prepared soil surface; barely cover or leave exposed
  • Choose a sunny location with excellent drainage
  • Avoid areas that stay consistently moist
  • Once established, let them self-seed by not disturbing the soil in late summer

Wildlife and Ecosystem Benefits

While their small flowers may not attract large, showy butterflies, short woollyheads do provide resources for smaller native insects and contribute to the overall biodiversity of native plant communities. As part of a diverse native landscape, they help create habitat for the full spectrum of wildlife that depends on indigenous plants.

The Bottom Line

Short woollyheads aren’t for everyone, and that’s perfectly fine. If you’re looking for bold colors and dramatic foliage, you’ll want to look elsewhere. But if you’re passionate about native plants, creating authentic western landscapes, or establishing low-maintenance drought-tolerant gardens, these unassuming annuals might just find a place in your heart—and your garden.

Remember, not every native plant needs to be a garden star. Sometimes the most valuable plants are the ones that quietly do their job, support local ecosystems, and remind us of the subtle beauty found in our natural landscapes.

Short Woollyheads

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

Psilocarphus Nutt. - woollyheads

Species

Psilocarphus brevissimus Nutt. - short woollyheads

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